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Invesco Balanced Risk Retirement Now Fund
Fund Summary - INVESCO BALANCED-RISK RETIREMENT NOW FUND - INSTITUTIONAL
Investment Objective(s)
The Fund’s investment objective is to provide real return and,
as a secondary objective, capital preservation.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.
Shareholder Fees (fees paid directly from your investment)
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Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoBalancedRiskRetirementNowFundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015569_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Example.
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.

Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

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Portfolio Turnover.
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 67% of the average value of its portfolio.
Principal Investment Strategies of the Fund and the Underlying Funds

The Fund seeks to meet its investment objective by building a portfolio that includes Invesco Balanced-Risk Allocation Fund and two affiliated money market funds, Liquid Assets Portfolio and Premier Portfolio. The Fund will generally rebalance its assets to the Fund’s target allocations on a monthly basis. A list of the underlying funds and their approximate target fund weightings as of April 30, 2011 is set forth below:

Underlying Funds Invesco Balanced Risk
 Retirement Now Fund
Invesco Balanced-Risk Allocation Fund 60.00%
Liquid Assets Portfolio 20.00%
Premier Portfolio 20.00%
Total100%

The Fund’s name indicates that an investor in the Fund plans to retire and may stop making new investments in the Fund. Consistent with the Fund’s real return and capital preservation objectives, the Fund is designed for investors who expect to need all or most of their money in the Fund at retirement and for investors who plan to withdraw the value of their account in the Fund gradually after retirement. Real return is total return reduced by the impact of inflation.

The following chart displays how the Adviser expects the asset allocation for the Fund to change as its target retirement date approaches. The Fund employs a risk-balanced optimization process which accounts for the flat glide path (the glide path is the rate at which the asset mix changes over time) until approximately 10 years from the target retirement date. The glide path will become more conservative on a quarterly basis approximately 10 years from the target retirement date by gradually reducing the allocation to Invesco Balanced-Risk Allocation Fund and increasing the allocation to money market funds. The actual asset allocations for the Funds may differ from those shown in the chart below.


                                      ABRA        Cash
Risk                                  8.00%      0.60%
                                                          2050 Fund
Years   Quarters   2050 Fund Date   $ Weight   $ Weight     Risk

50.00     200       12/31/2000         100%       0%        8.00%
49.75     199        3/31/2001         100%       0%        8.00%
49.50     198        6/30/2001         100%       0%        8.00%
49.25     197        9/30/2001         100%       0%        8.00%
49.00     196       12/31/2001         100%       0%        8.00%
48.75     195        3/31/2002         100%       0%        8.00%
48.50     194        6/30/2002         100%       0%        8.00%
48.25     193        9/30/2002         100%       0%        8.00%
48.00     192       12/31/2002         100%       0%        8.00%
47.75     191        3/31/2003         100%       0%        8.00%
47.50     190        6/30/2003         100%       0%        8.00%
47.25     189        9/30/2003         100%       0%        8.00%
47.00     188       12/31/2003         100%       0%        8.00%
46.75     187        3/31/2004         100%       0%        8.00%
46.50     186        6/30/2004         100%       0%        8.00%
46.25     185        9/30/2004         100%       0%        8.00%
46.00     184       12/31/2004         100%       0%        8.00%
45.75     183        3/31/2005         100%       0%        8.00%
45.50     182        6/30/2005         100%       0%        8.00%
45.25     181        9/30/2005         100%       0%        8.00%
45.00     180       12/31/2005         100%       0%        8.00%
44.75     179        3/31/2006         100%       0%        8.00%
44.50     178        6/30/2006         100%       0%        8.00%
44.25     177        9/30/2006         100%       0%        8.00%
44.00     176       12/31/2006         100%       0%        8.00%
43.75     175        3/31/2007         100%       0%        8.00%
43.50     174        6/30/2007         100%       0%        8.00%
43.25     173        9/30/2007         100%       0%        8.00%
43.00     172       12/31/2007         100%       0%        8.00%
42.75     171        3/31/2008         100%       0%        8.00%
42.50     170        6/30/2008         100%       0%        8.00%
42.25     169        9/30/2008         100%       0%        8.00%
42.00     168       12/31/2008         100%       0%        8.00%
41.75     167        3/31/2009         100%       0%        8.00%
41.50     166        6/30/2009         100%       0%        8.00%
41.25     165        9/30/2009         100%       0%        8.00%
41.00     164       12/31/2009         100%       0%        8.00%
40.75     163        3/31/2010         100%       0%        8.00%
40.50     162        6/30/2010         100%       0%        8.00%
40.25     161        9/30/2010         100%       0%        8.00%
40.00     160       12/31/2010         100%       0%        8.00%
39.75     159        3/31/2011         100%       0%        8.00%
39.50     158        6/30/2011         100%       0%        8.00%
39.25     157        9/30/2011         100%       0%        8.00%
39.00     156       12/31/2011         100%       0%        8.00%
38.75     155        3/31/2012         100%       0%        8.00%
38.50     154        6/30/2012         100%       0%        8.00%
38.25     153        9/30/2012         100%       0%        8.00%
38.00     152       12/31/2012         100%       0%        8.00%
37.75     151        3/31/2013         100%       0%        8.00%
37.50     150        6/30/2013         100%       0%        8.00%
37.25     149        9/30/2013         100%       0%        8.00%
37.00     148       12/31/2013         100%       0%        8.00%
36.75     147        3/31/2014         100%       0%        8.00%
36.50     146        6/30/2014         100%       0%        8.00%
36.25     145        9/30/2014         100%       0%        8.00%
36.00     144       12/31/2014         100%       0%        8.00%
35.75     143        3/31/2015         100%       0%        8.00%
35.50     142        6/30/2015         100%       0%        8.00%
35.25     141        9/30/2015         100%       0%        8.00%
35.00     140       12/31/2015         100%       0%        8.00%
34.75     139        3/31/2016         100%       0%        8.00%
34.50     138        6/30/2016         100%       0%        8.00%
34.25     137        9/30/2016         100%       0%        8.00%
34.00     136       12/31/2016         100%       0%        8.00%
33.75     135        3/31/2017         100%       0%        8.00%
33.50     134        6/30/2017         100%       0%        8.00%
33.25     133        9/30/2017         100%       0%        8.00%
33.00     132       12/31/2017         100%       0%        8.00%
32.75     131        3/31/2018         100%       0%        8.00%
32.50     130        6/30/2018         100%       0%        8.00%
32.25     129        9/30/2018         100%       0%        8.00%
32.00     128       12/31/2018         100%       0%        8.00%
31.75     127        3/31/2019         100%       0%        8.00%
31.50     126        6/30/2019         100%       0%        8.00%
31.25     125        9/30/2019         100%       0%        8.00%
31.00     124       12/31/2019         100%       0%        8.00%
30.75     123        3/31/2020         100%       0%        8.00%
30.50     122        6/30/2020         100%       0%        8.00%
30.25     121        9/30/2020         100%       0%        8.00%
30.00     120       12/31/2020         100%       0%        8.00%
29.75     119        3/31/2021         100%       0%        8.00%
29.50     118        6/30/2021         100%       0%        8.00%
29.25     117        9/30/2021         100%       0%        8.00%
29.00     116       12/31/2021         100%       0%        8.00%
28.75     115        3/31/2022         100%       0%        8.00%
28.50     114        6/30/2022         100%       0%        8.00%
28.25     113        9/30/2022         100%       0%        8.00%
28.00     112       12/31/2022         100%       0%        8.00%
27.75     111        3/31/2023         100%       0%        8.00%
27.50     110        6/30/2023         100%       0%        8.00%
27.25     109        9/30/2023         100%       0%        8.00%
27.00     108       12/31/2023         100%       0%        8.00%
26.75     107        3/31/2024         100%       0%        8.00%
26.50     106        6/30/2024         100%       0%        8.00%
26.25     105        9/30/2024         100%       0%        8.00%
26.00     104       12/31/2024         100%       0%        8.00%
25.75     103        3/31/2025         100%       0%        8.00%
25.50     102        6/30/2025         100%       0%        8.00%
25.25     101        9/30/2025         100%       0%        8.00%
25.00     100       12/31/2025         100%       0%        8.00%
24.75      99        3/31/2026         100%       0%        8.00%
24.50      98        6/30/2026         100%       0%        8.00%
24.25      97        9/30/2026         100%       0%        8.00%
24.00      96       12/31/2026         100%       0%        8.00%
23.75      95        3/31/2027         100%       0%        8.00%
23.50      94        6/30/2027         100%       0%        8.00%
23.25      93        9/30/2027         100%       0%        8.00%
23.00      92       12/31/2027         100%       0%        8.00%
22.75      91        3/31/2028         100%       0%        8.00%
22.50      90        6/30/2028         100%       0%        8.00%
22.25      89        9/30/2028         100%       0%        8.00%
22.00      88       12/31/2028         100%       0%        8.00%
21.75      87        3/31/2029         100%       0%        8.00%
21.50      86        6/30/2029         100%       0%        8.00%
21.25      85        9/30/2029         100%       0%        8.00%
21.00      84       12/31/2029         100%       0%        8.00%
20.75      83        3/31/2030         100%       0%        8.00%
20.50      82        6/30/2030         100%       0%        8.00%
20.25      81        9/30/2030         100%       0%        8.00%
20.00      80       12/31/2030         100%       0%        8.00%
19.75      79        3/31/2031         100%       0%        8.00%
19.50      78        6/30/2031         100%       0%        8.00%
19.25      77        9/30/2031         100%       0%        8.00%
19.00      76       12/31/2031         100%       0%        8.00%
18.75      75        3/31/2032         100%       0%        8.00%
18.50      74        6/30/2032         100%       0%        8.00%
18.25      73        9/30/2032         100%       0%        8.00%
18.00      72       12/31/2032         100%       0%        8.00%
17.75      71        3/31/2033         100%       0%        8.00%
17.50      70        6/30/2033         100%       0%        8.00%
17.25      69        9/30/2033         100%       0%        8.00%
17.00      68       12/31/2033         100%       0%        8.00%
16.75      67        3/31/2034         100%       0%        8.00%
16.50      66        6/30/2034         100%       0%        8.00%
16.25      65        9/30/2034         100%       0%        8.00%
16.00      64       12/31/2034         100%       0%        8.00%
15.75      63        3/31/2035         100%       0%        8.00%
15.50      62        6/30/2035         100%       0%        8.00%
15.25      61        9/30/2035         100%       0%        8.00%
15.00      60       12/31/2035         100%       0%        8.00%
14.75      59        3/31/2036         100%       0%        8.00%
14.50      58        6/30/2036         100%       0%        8.00%
14.25      57        9/30/2036         100%       0%        8.00%
14.00      56       12/31/2036         100%       0%        8.00%
13.75      55        3/31/2037         100%       0%        8.00%
13.50      54        6/30/2037         100%       0%        8.00%
13.25      53        9/30/2037         100%       0%        8.00%
13.00      52       12/31/2037         100%       0%        8.00%
12.75      51        3/31/2038         100%       0%        8.00%
12.50      50        6/30/2038         100%       0%        8.00%
12.25      49        9/30/2038         100%       0%        8.00%
12.00      48       12/31/2038         100%       0%        8.00%
11.75      47        3/31/2039         100%       0%        8.00%
11.50      46        6/30/2039         100%       0%        8.00%
11.25      45        9/30/2039         100%       0%        8.00%
11.00      44       12/31/2039         100%       0%        8.00%
10.75      43        3/31/2040         100%       0%        8.00%
10.50      42        6/30/2040         100%       0%        8.00%
10.25      41        9/30/2040         100%       0%        8.00%
10.00      40       12/31/2040         100%       0%        8.00%
 9.75      39        3/31/2041          99%       1%        7.92%
 9.50      38        6/30/2041          98%       2%        7.84%
 9.25      37        9/30/2041          97%       3%        7.76%
 9.00      36       12/31/2041          96%       4%        7.68%
 8.75      35        3/31/2042          95%       5%        7.60%
 8.50      34        6/30/2042          94%       6%        7.52%
 8.25      33        9/30/2042          93%       7%        7.44%
 8.00      32       12/31/2042          92%       8%        7.36%
 7.75      31        3/31/2043          91%       9%        7.28%
 7.50      30        6/30/2043          90%      10%        7.20%
 7.25      29        9/30/2043          89%      11%        7.12%
 7.00      28       12/31/2043          88%      12%        7.04%
 6.75      27        3/31/2044          87%      13%        6.96%
 6.50      26        6/30/2044          86%      14%        6.88%
 6.25      25        9/30/2044          85%      15%        6.80%
 6.00      24       12/31/2044          84%      16%        6.72%
 5.75      23        3/31/2045          83%      17%        6.64%
 5.50      22        6/30/2045          82%      18%        6.56%
 5.25      21        9/30/2045          81%      19%        6.48%
 5.00      20       12/31/2045          80%      20%        6.40%
 4.75      19        3/31/2046          79%      21%        6.32%
 4.50      18        6/30/2046          78%      22%        6.24%
 4.25      17        9/30/2046          77%      23%        6.16%
 4.00      16       12/31/2046          76%      24%        6.08%
 3.75      15        3/31/2047          75%      25%        6.00%
 3.50      14        6/30/2047          74%      26%        5.92%
 3.25      13        9/30/2047          73%      27%        5.84%
 3.00      12       12/31/2047          72%      28%        5.76%
 2.75      11        3/31/2048          71%      29%        5.68%
 2.50      10        6/30/2048          70%      30%        5.60%
 2.25       9        9/30/2048          69%      31%        5.52%
 2.00       8       12/31/2048          68%      32%        5.44%
 1.75       7        3/31/2049          67%      33%        5.36%
 1.50       6        6/30/2049          66%      34%        5.28%
 1.25       5        9/30/2049          65%      35%        5.20%
 1.00       4       12/31/2049          64%      36%        5.12%
 0.75       3        3/31/2050          63%      37%        5.04%
 0.50       2        6/30/2050          62%      38%        4.97%
 0.25       1        9/30/2050          61%      39%        4.89%
 0.00       0       12/31/2050          60%      40%        4.81%

The following table lists the expected market exposure through Invesco Balanced-Risk Allocation Fund to equities, commodities and fixed income and through Liquid Assets Portfolio and Premier Portfolio to cash equivalents. The portfolio managers actively adjust portfolio positions in Invesco Balanced-Risk Allocation Fund to minimize loss of capital, to benefit from market opportunities and to reduce excessive volatility. Due to the use of leverage in the underlying fund, Invesco Balanced-Risk Allocation Fund, the percentages may not equal 100%.

  At Retirement Date 
 MinimumStrategicMaximum
  Allocation 
Equities9.5%17.8%37.5%
Commodities8.2%13.0%21.4%
Fixed Income28.7%51.0%82.1%
Cash Equivalents40.0%40.0%40.0%

An investment in the Fund is not guaranteed, and you may experience losses, including near to, at, or after the target date. There is no guarantee that the Fund will provide adequate income at or through your retirement.

Investment Objectives and Strategies of the Underlying Funds

Invesco Balanced-Risk Allocation Fund. Invesco Balanced-Risk Allocation Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices. Invesco Balanced-Risk Allocation Fund’s investment objective may be changed by the Board of Trustees without shareholder approval.

Invesco Balanced-Risk Allocation Fund invests, under normal conditions, in derivatives and other financially-linked instruments whose performance is expected to correspond to U.S. and international fixed income, equity and commodity markets. Invesco Balanced-Risk Allocation Fund may invest in derivatives and other financially-linked instruments such as futures, swap agreements, including total return swaps and may also invest in U.S. and foreign government debt securities and other securities such as exchange-traded funds (ETFs) and commodity-linked notes. Invesco Balanced-Risk Allocation Fund’s international investments will generally be in developed countries, but may also include emerging market countries. Invesco Balanced-Risk Allocation Fund’s fixed income investments are generally considered to be investment grade while Invesco Balanced-Risk Allocation Fund’s commodity markets exposure will generally be in the precious metals, agriculture, energy and industrial metals sectors. Invesco Balanced-Risk Allocation Fund will also invest in the Subsidiary and ETFs to gain exposure to commodity markets. The Subsidiary, in turn, will invest in futures, exchange-traded notes (ETNs) and other securities and financially-linked instruments. ETNs are senior, unsecured, unsubordinated debt securities whose returns are linked to the performance of a particular market benchmark or strategy, minus applicable fees. ETNs are traded on an exchange (e.g., the New York Stock Exchange) during normal trading hours; however, investors can also hold the ETN until maturity. Invesco Balanced-Risk Allocation Fund will generally maintain 60% of its total assets in cash and cash equivalent instruments including affiliated money market funds. Some of the cash holdings will serve as margin or collateral for the Fund’s obligations under derivative transactions. Invesco Balanced-Risk Allocation Fund’s investments in certain derivatives may create significant leveraged exposure to certain equity, fixed income and commodity markets. Leverage occurs when the investments in derivatives create greater economic exposure than the amount invested. This means that Invesco Balanced-Risk Allocation Fund could lose more than originally invested in the derivative.

The Subsidiary is advised by Invesco and has the same investment objective as Invesco Balanced-Risk Allocation Fund and generally employs the same investment strategy but limits its investments to commodity derivatives, ETNs, cash and cash equivalent instruments, including affiliated money market funds.

The Subsidiary, unlike Invesco Balanced-Risk Allocation Fund, may invest without limitation in commodities, commodity-linked derivatives and other securities, such as ETNs, that may provide leveraged and non-leveraged exposure to commodity markets. The Subsidiary also may hold cash and invest in cash equivalent instruments, including affiliated money market funds, some of which may serve as margin or collateral for the Subsidiary’s derivative positions. The Fund may invest up to 25% of its total assets in the Subsidiary. Invesco Balanced-Risk Allocation Fund will be subject to the risks associated with any investment by the Subsidiary to the extent of Invesco Balanced-Risk Allocation Fund’s investment in the Subsidiary.

Invesco Balanced-Risk Allocation Fund is non-diversified, which means that it can invest a greater percentage of its assets in any one issuer than a diversified fund can.

Relative to traditional balanced portfolios, Invesco Balanced-Risk Allocation Fund will seek to provide greater capital loss protection during down markets. The portfolio’s management team will accomplish this through a three-step investment process.

The first step involves asset selection. The management team selects representative assets to gain exposure to equity, fixed income and commodity markets. The selection process (1) evaluates a particular asset’s theoretical case for long-term excess returns relative to cash; (2) screens the identified assets to meet minimum liquidity criteria; and (3) reviews the expected correlation among the assets and the expected risk for each asset to determine whether the selected assets are likely to improve the expected risk adjusted return of Invesco Balanced-Risk Allocation Fund.

The second step involves portfolio construction. Proprietary estimates for risk and correlation are used by the management team to create a portfolio. The team re-estimates the risk contributed by each asset and re-optimizes the portfolio periodically or when new assets are introduced to Invesco Balanced-Risk Allocation Fund.

The final step involves active positioning. The management team actively adjusts portfolio positions to reflect the near-term market environment, while remaining consistent with the optimized long-term portfolio structure described in step two above. The management team balances these two competing ideas—opportunity for excess return from active positioning and the need to maintain asset class exposure set forth in the optimized portfolio structure—by setting controlled tactical ranges around the long-term asset allocation. The resulting asset allocation is then implemented by investing in derivatives, other financially-linked instruments, U.S. and foreign government debt securities, other securities, cash and cash equivalent instruments, including affiliated money market funds. By using derivatives, Invesco Balanced-Risk Allocation Fund is able to gain greater exposure to assets within each class than would be possible using cash instruments, and thus seeks to balance the amount of risk each asset class contributes to the portfolio.

Liquid Assets Portfolio. Liquid Assets Portfolio’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital and liquidity. Liquid Assets Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Liquid Assets Portfolio invests in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. or foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Liquid Assets Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Liquid Assets Portfolio invests in conformity with Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Liquid Assets Portfolio maintains a dollar-weighted average portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Liquid Assets Portfolio may invest up to 50% of its total assets in U.S. dollar-denominated foreign securities. Liquid Assets Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Liquid Assets Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Liquid Assets Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. The portfolio manager may invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a particular security when they deem it advisable, such as when market or credit factors materially change.

Premier Portfolio. Premier Portfolio’s investment objective is a high level of current income consistent with the preservation of capital and the maintenance of liquidity. Premier Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Premier Portfolio invests primarily in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. and foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Premier Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Premier Portfolio invests in conformity with the Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Premier Portfolio maintains a dollar-weighted portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Premier Portfolio invests from time to time in U.S. dollar-denominated foreign securities. Premier Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Premier Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Premier Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. Premier Portfolio may also invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a security when they deem it advisable, such as when market or credit factors materially change.

Principal Risks of Investing in the Fund and the Underlying Funds

As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. Because the Fund is a fund of funds, the Fund is subject to the risks associated with the underlying funds in which it invests. The principal risks of investing in the Fund and the underlying funds are:

Active Trading Risk. Certain underlying funds engage in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability.

Commodity-Linked Notes Risk. An underlying fund’s investments in commodity-linked notes may involve substantial risks, including risk of loss of a significant portion of their principal value. In addition to risks associated with the underlying commodities, they may be subject to additional special risks, such as the lack of a secondary trading market and temporary price distortions due to speculators and/or the continuous rolling over of futures contracts underlying the notes. Commodity-linked notes are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Commodity Risk. Certain of the underlying funds will invest in commodities through a wholly-owned subsidiary of that underlying fund organized under the laws of the Cayman Islands (the Subsidiary). Investment exposure to the commodities markets and/or a particular sector of the commodities markets, may subject the underlying fund and the Subsidiary to greater volatility than investments in traditional securities, such as stocks and bonds. The commodities markets may fluctuate widely based on a variety of factors, including changes in overall market movements, domestic and foreign political and economic events and policies, war, acts of terrorism, changes in domestic or foreign interest rates and/or investor expectations concerning interest rates, domestic and foreign inflation rates and investment and trading activities of mutual funds, hedge funds and commodities funds. Prices of various commodities may also be affected by factors such as drought, floods, weather, livestock disease, embargoes, tariffs and other regulatory developments. The prices of commodities can also fluctuate widely due to supply and demand disruptions in major producing or consuming regions. Because certain of the underlying fund’s and the Subsidiary’s performance is linked to the performance of potentially volatile commodities, investors should be willing to assume the risks of potentially significant fluctuations in the value of the underlying fund’s shares.

Concentration Risk. To the extent an underlying fund invests a greater amount in any one sector or industry, an underlying fund’s performance will depend to a greater extent on the overall condition of the sector or industry, and there is increased risk to an underlying fund if conditions adversely affect that sector or industry.

Counterparty Risk. Many of the instruments that an underlying fund expects to hold may be subject to the risk that the other party to a contract will not fulfill its contractual obligations.

Credit Risk. The issuer of instruments in which an underlying fund invests may be unable to meet interest and/or principal payments, thereby causing its instruments to decrease in value and lowering the issuer’s credit rating.

Currency/Exchange Rate Risk. The dollar value of an underlying fund’s foreign investments will be affected by changes in the exchange rates between the dollar and the currencies in which those investments are traded.

Derivatives Risk. Derivatives may be more difficult to purchase, sell or value than other investments and may be subject to market, interest rate, credit, leverage, counterparty and management risks. An underlying fund investing in a derivative could lose more than the cash amount invested or incur higher taxes. Over-the-counter derivatives are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Developing Markets Securities Risk. Securities issued by foreign companies and governments located in developing countries may be affected more negatively by inflation, devaluation of their currencies, higher transaction costs, delays in settlement, adverse political developments, the introduction of capital controls, withholding taxes, nationalization of private assets, expropriation, social unrest, war or lack of timely information than those in developed countries.

Exchange-Traded Funds Risk. An investment by the Fund or underlying fund in ETFs generally presents the same primary risks as an investment in a mutual fund. In addition, an ETF may be subject to the following: (1) a discount of the ETF’s shares to its net asset value; (2) failure to develop an active trading market for the ETF’s shares; (3) the listing exchange halting trading of the ETF’s shares; (4) failure of the ETF’s shares to track the referenced index; and (5) holding troubled securities in the referenced index. ETFs may involve duplication of management fees and certain other expenses, as the Fund or underlying fund indirectly bears its proportionate share of any expenses paid by the ETFs in which it invests. Further, certain of the ETFs in which the Fund or underlying fund may invest are leveraged. The more the Fund or underlying fund invests in such leveraged ETFs, the more this leverage will magnify any losses on those investments.

Exchange-Traded Notes Risk. Exchange-Traded Notes (ETNs) are subject to credit risk, including the credit risk of the issuer, and the value of the ETN may drop due to a downgrade in the issuer’s credit rating, despite the underlying market benchmark or strategy remaining unchanged. The value of an ETN may also be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in underlying assets, changes in the applicable interest rates, changes in the issuer’s credit rating, and economic, legal, political, or geographic events that affect the referenced underlying asset.

Foreign Securities Risk. An underlying fund’s foreign investments may be affected by changes in a foreign country’s exchange rates; political and social instability; changes in economic or taxation policies; difficulties when enforcing obligations; decreased liquidity; and increased volatility. Foreign companies may be subject to less regulation resulting in less publicly available information about the companies.

Fund of Funds Risk. The Fund’s performance depends on the underlying funds in which it invests, and it is subject to the risks of the underlying funds. Market fluctuations may change the target weightings in the underlying funds. The underlying funds may change their investment objectives, policies or practices and may not achieve their investment objectives, all of which may cause the Fund to withdraw its investments therein at a disadvantageous time.

Industry Focus Risk. To the extent an underlying fund invests in securities issued or guaranteed by companies in the banking and financial services industries, the underlying fund’s performance will depend on the overall condition of those industries, which may be affected by the following factors: the supply of short-term financing; changes in government regulation and interest rates; and overall economy.

Interest Rate Risk. Interest rate risk refers to the risk that bond prices generally fall as interest rates rise; conversely, bond prices generally rise as interest rates fall. Specific bonds differ in their sensitivity to changes in interest rates depending on their individual characteristics, including duration.

Leverage Risk. Leverage exists when an underlying fund purchases or sells an instrument or enters into a transaction without investing cash in an amount equal to the full economic exposure of the instrument or transaction and the underlying fund could lose more than it invested. Leverage created from borrowing or certain types of transactions or instruments, including derivatives, may impair an underlying fund’s liquidity, cause it to liquidate positions at an unfavorable time, increase volatility or otherwise not achieve its intended objective.

Liquidity Risk. An underlying fund may hold illiquid securities that it is unable to sell at the preferred time or price and could lose its entire investment in such securities.

Management Risk. The investment techniques and risk analysis used by the Fund’s and the underlying funds’ portfolio managers may not produce the desired results.

Market Risk. The prices of and the income generated by the underlying funds’ securities may decline in response to, among other things, investor sentiment; general economic and market conditions; regional or global instability; and currency and interest rate fluctuations.

Money Market Fund Risk. Although the underlying fund seeks to preserve the value of your investment at $1.00 per share, you may lose money by investing in the underlying fund. The share price of money market funds can fall below the $1.00 share price. You should not rely on or expect the underlying fund’s adviser or its affiliates to enter into support agreements or take other actions to maintain the underlying fund’s $1.00 share price. The credit quality of the underlying fund’s holdings can change rapidly in certain markets, and the default of a single holding could have an adverse impact on the underlying fund’s share price. An underlying fund’s share price can also be negatively affected during periods of high redemption pressures and/or illiquid markets. Further regulation could impact the way the underlying fund is managed, possibly negatively impacting its return. Additionally, the underlying fund’s yield will vary as the short-term securities in its portfolio mature or are sold and the proceeds are reinvested in other securities.

Municipal Securities Risk. An underlying fund may invest in municipal securities. Constitutional amendments, legislative enactments, executive orders, administrative regulations, voter initiatives, and the issuer’s regional economic conditions may affect the municipal security’s value, interest payments, repayment of principal and the underlying fund’s ability to sell it. Failure of a municipal security issuer to comply with applicable tax requirements may make income paid thereon taxable, resulting in a decline in the security’s value.

Non-Diversification Risk. Certain of the underlying funds are non-diversified and can invest a greater portion of their assets in a single issuer. A change in the value of the issuer could affect the value of an underlying fund more than if it was a diversified fund.

Repurchase Agreement Risk. If the seller of a repurchase agreement in which an underlying fund invests defaults on its obligation or declares bankruptcy, the underlying fund may experience delays in selling the securities underlying the repurchase agreement resulting in losses.

Subsidiary Risk. By investing in the Subsidiary's, an underlying fund is indirectly exposed to risks associated with the Subsidiary’s investments, including derivatives and commodities. Because the Subsidiary is not registered under the Investment Company Act of 1940, as amended (1940 Act), the underlying fund, as the sole investor in the Subsidiary, will not have the protections offered to investors in U.S. registered investment companies. Changes in the laws of the United States and/or the Cayman Islands, under which the underlying fund and the Subsidiary, respectively, are organized, could result in the inability of the underlying fund and/or the Subsidiary to operate as described in the underlying fund prospectus and the SAI, and could negatively affect the underlying fund and its shareholders.

Tax Risk. Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from commodity-linked notes as qualifying income based on a private letter ruling it has received from the Internal Revenue Service (IRS) holding that the income from a form of commodity-linked note constitutes qualifying income. Additionally, Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from the Subsidiary as qualifying income based on a private letter ruling it has received from the IRS holding that the income of the Subsidiary attributable to Invesco Balanced-Risk Allocation Fund is income derived with respect to Invesco Balanced-Risk Allocation Fund’s business of investing in the stock of the Subsidiary and thus constitutes qualifying income. If, however, the IRS were to change its position with respect to the conclusions reached in these private letter rulings, such that Invesco Balanced-Risk Allocation Fund’s income from the Subsidiary and commodity-linked notes is not “qualifying income,” Invesco Balanced-Risk Allocation Fund may be unable to qualify as a regulated investment company for one or more years. In this event, the Invesco Balanced-Risk Allocation Fund’s Board of Trustees may authorize a significant change in investment strategy or liquidation.

U.S. Government Obligations Risk. Obligations issued by U.S. government agencies and instrumentalities may receive varying levels of support from the government, which could affect an underlying fund’s ability to recover should they default.

Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark, a style specific benchmark and a peer group benchmark comprised of funds with investment objectives and strategies similar to those of the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of its future performance. Updated performance information is available on the Fund’s Web site at www.invesco.com/us.
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Institutional Class Shares year-to-date (ended March 31, 2011): 0.37%

Best Quarter (ended September 30, 2009): 9.85%

Worst Quarter (ended December 31, 2008): (8.73)%

Average Annual Total Returns (for the periods ended December 31, 2010)
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After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangement, such as 401(k) plans or individual retirement accounts.
Invesco Balanced-Risk Retirement 2010 Fund
Fund Summary - INVESCO BALANCED-RISK RETIREMENT 2010 FUND - INSTITUTIONAL
Investment Objective(s)
The Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices,
and as a secondary objective, capital preservation.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.
Shareholder Fees (fees paid directly from your investment)
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Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoBalancedRiskRetirement2010FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015564_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Example.
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.

Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ExpenseExampleInvescoBalancedRiskRetirement2010FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015564_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Portfolio Turnover.
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 103% of the average value of its portfolio.
Principal Investment Strategies of the Fund and the Underlying Funds

The Fund seeks to meet its investment objective by building a portfolio that includes Invesco Balanced-Risk Allocation Fund and two affiliated money market funds, Liquid Assets Portfolio and Premier Portfolio. The Fund will generally rebalance its assets to the Fund’s target allocations on a monthly basis. A list of the underlying funds and their approximate target fund weightings as of April 30, 2011 is set forth below:

 Invesco Balanced-Risk
Underlying FundsRetirement 2010 Fund
Invesco Balanced-Risk Allocation Fund61.00%
Liquid Assets Portfolio19.50%
Premier Portfolio19.50%
Total100%

Note: Target Fund weightings are rounded to the nearest hundredths and may not add to 100% due to rounding. See SAI for exact target weightings.

The Fund’s name indicates the approximate date an investor in the Fund plans to retire and may stop making new investments in the Fund. Consistent with the Fund’s real return and capital preservation objectives, the Fund is designed for investors who expect to need all or most of their money in the Fund at retirement and for investors who plan to withdraw the value of their account in the Fund gradually after retirement. Once the asset allocation of the Fund has become similar to the asset allocation of the Invesco Balanced-Risk Retirement Now Fund, the Board of Trustees may approve combining the Fund with Invesco Balanced-Risk Retirement Now Fund if they determine that such a combination is in the best interests of the Fund’s shareholders. Such a combination will result in the shareholders of the Fund owning shares of Invesco Balanced-Risk Retirement Now Fund rather than the Fund. The Adviser expects such a combination to generally occur during the year of the Fund’s target retirement date.

The following chart displays how the Adviser expects the asset allocation for the Fund to change as its target retirement date approaches. The Fund employs a risk-balanced optimization process which accounts for the flat glide path (the glide path is the rate at which the asset mix changes over time) until approximately 10 years from the target retirement date. The glide path will become more conservative on a quarterly basis approximately 10 years from the target retirement date by gradually reducing the allocation to Invesco Balanced-Risk Allocation Fund and increasing the allocation to money market funds. The actual asset allocations for the Funds may differ from those shown in the chart below.


                                      ABRA        Cash
Risk                                  8.00%      0.60%
                                                          2050 Fund
Years   Quarters   2050 Fund Date   $ Weight   $ Weight     Risk

50.00     200       12/31/2000         100%       0%        8.00%
49.75     199        3/31/2001         100%       0%        8.00%
49.50     198        6/30/2001         100%       0%        8.00%
49.25     197        9/30/2001         100%       0%        8.00%
49.00     196       12/31/2001         100%       0%        8.00%
48.75     195        3/31/2002         100%       0%        8.00%
48.50     194        6/30/2002         100%       0%        8.00%
48.25     193        9/30/2002         100%       0%        8.00%
48.00     192       12/31/2002         100%       0%        8.00%
47.75     191        3/31/2003         100%       0%        8.00%
47.50     190        6/30/2003         100%       0%        8.00%
47.25     189        9/30/2003         100%       0%        8.00%
47.00     188       12/31/2003         100%       0%        8.00%
46.75     187        3/31/2004         100%       0%        8.00%
46.50     186        6/30/2004         100%       0%        8.00%
46.25     185        9/30/2004         100%       0%        8.00%
46.00     184       12/31/2004         100%       0%        8.00%
45.75     183        3/31/2005         100%       0%        8.00%
45.50     182        6/30/2005         100%       0%        8.00%
45.25     181        9/30/2005         100%       0%        8.00%
45.00     180       12/31/2005         100%       0%        8.00%
44.75     179        3/31/2006         100%       0%        8.00%
44.50     178        6/30/2006         100%       0%        8.00%
44.25     177        9/30/2006         100%       0%        8.00%
44.00     176       12/31/2006         100%       0%        8.00%
43.75     175        3/31/2007         100%       0%        8.00%
43.50     174        6/30/2007         100%       0%        8.00%
43.25     173        9/30/2007         100%       0%        8.00%
43.00     172       12/31/2007         100%       0%        8.00%
42.75     171        3/31/2008         100%       0%        8.00%
42.50     170        6/30/2008         100%       0%        8.00%
42.25     169        9/30/2008         100%       0%        8.00%
42.00     168       12/31/2008         100%       0%        8.00%
41.75     167        3/31/2009         100%       0%        8.00%
41.50     166        6/30/2009         100%       0%        8.00%
41.25     165        9/30/2009         100%       0%        8.00%
41.00     164       12/31/2009         100%       0%        8.00%
40.75     163        3/31/2010         100%       0%        8.00%
40.50     162        6/30/2010         100%       0%        8.00%
40.25     161        9/30/2010         100%       0%        8.00%
40.00     160       12/31/2010         100%       0%        8.00%
39.75     159        3/31/2011         100%       0%        8.00%
39.50     158        6/30/2011         100%       0%        8.00%
39.25     157        9/30/2011         100%       0%        8.00%
39.00     156       12/31/2011         100%       0%        8.00%
38.75     155        3/31/2012         100%       0%        8.00%
38.50     154        6/30/2012         100%       0%        8.00%
38.25     153        9/30/2012         100%       0%        8.00%
38.00     152       12/31/2012         100%       0%        8.00%
37.75     151        3/31/2013         100%       0%        8.00%
37.50     150        6/30/2013         100%       0%        8.00%
37.25     149        9/30/2013         100%       0%        8.00%
37.00     148       12/31/2013         100%       0%        8.00%
36.75     147        3/31/2014         100%       0%        8.00%
36.50     146        6/30/2014         100%       0%        8.00%
36.25     145        9/30/2014         100%       0%        8.00%
36.00     144       12/31/2014         100%       0%        8.00%
35.75     143        3/31/2015         100%       0%        8.00%
35.50     142        6/30/2015         100%       0%        8.00%
35.25     141        9/30/2015         100%       0%        8.00%
35.00     140       12/31/2015         100%       0%        8.00%
34.75     139        3/31/2016         100%       0%        8.00%
34.50     138        6/30/2016         100%       0%        8.00%
34.25     137        9/30/2016         100%       0%        8.00%
34.00     136       12/31/2016         100%       0%        8.00%
33.75     135        3/31/2017         100%       0%        8.00%
33.50     134        6/30/2017         100%       0%        8.00%
33.25     133        9/30/2017         100%       0%        8.00%
33.00     132       12/31/2017         100%       0%        8.00%
32.75     131        3/31/2018         100%       0%        8.00%
32.50     130        6/30/2018         100%       0%        8.00%
32.25     129        9/30/2018         100%       0%        8.00%
32.00     128       12/31/2018         100%       0%        8.00%
31.75     127        3/31/2019         100%       0%        8.00%
31.50     126        6/30/2019         100%       0%        8.00%
31.25     125        9/30/2019         100%       0%        8.00%
31.00     124       12/31/2019         100%       0%        8.00%
30.75     123        3/31/2020         100%       0%        8.00%
30.50     122        6/30/2020         100%       0%        8.00%
30.25     121        9/30/2020         100%       0%        8.00%
30.00     120       12/31/2020         100%       0%        8.00%
29.75     119        3/31/2021         100%       0%        8.00%
29.50     118        6/30/2021         100%       0%        8.00%
29.25     117        9/30/2021         100%       0%        8.00%
29.00     116       12/31/2021         100%       0%        8.00%
28.75     115        3/31/2022         100%       0%        8.00%
28.50     114        6/30/2022         100%       0%        8.00%
28.25     113        9/30/2022         100%       0%        8.00%
28.00     112       12/31/2022         100%       0%        8.00%
27.75     111        3/31/2023         100%       0%        8.00%
27.50     110        6/30/2023         100%       0%        8.00%
27.25     109        9/30/2023         100%       0%        8.00%
27.00     108       12/31/2023         100%       0%        8.00%
26.75     107        3/31/2024         100%       0%        8.00%
26.50     106        6/30/2024         100%       0%        8.00%
26.25     105        9/30/2024         100%       0%        8.00%
26.00     104       12/31/2024         100%       0%        8.00%
25.75     103        3/31/2025         100%       0%        8.00%
25.50     102        6/30/2025         100%       0%        8.00%
25.25     101        9/30/2025         100%       0%        8.00%
25.00     100       12/31/2025         100%       0%        8.00%
24.75      99        3/31/2026         100%       0%        8.00%
24.50      98        6/30/2026         100%       0%        8.00%
24.25      97        9/30/2026         100%       0%        8.00%
24.00      96       12/31/2026         100%       0%        8.00%
23.75      95        3/31/2027         100%       0%        8.00%
23.50      94        6/30/2027         100%       0%        8.00%
23.25      93        9/30/2027         100%       0%        8.00%
23.00      92       12/31/2027         100%       0%        8.00%
22.75      91        3/31/2028         100%       0%        8.00%
22.50      90        6/30/2028         100%       0%        8.00%
22.25      89        9/30/2028         100%       0%        8.00%
22.00      88       12/31/2028         100%       0%        8.00%
21.75      87        3/31/2029         100%       0%        8.00%
21.50      86        6/30/2029         100%       0%        8.00%
21.25      85        9/30/2029         100%       0%        8.00%
21.00      84       12/31/2029         100%       0%        8.00%
20.75      83        3/31/2030         100%       0%        8.00%
20.50      82        6/30/2030         100%       0%        8.00%
20.25      81        9/30/2030         100%       0%        8.00%
20.00      80       12/31/2030         100%       0%        8.00%
19.75      79        3/31/2031         100%       0%        8.00%
19.50      78        6/30/2031         100%       0%        8.00%
19.25      77        9/30/2031         100%       0%        8.00%
19.00      76       12/31/2031         100%       0%        8.00%
18.75      75        3/31/2032         100%       0%        8.00%
18.50      74        6/30/2032         100%       0%        8.00%
18.25      73        9/30/2032         100%       0%        8.00%
18.00      72       12/31/2032         100%       0%        8.00%
17.75      71        3/31/2033         100%       0%        8.00%
17.50      70        6/30/2033         100%       0%        8.00%
17.25      69        9/30/2033         100%       0%        8.00%
17.00      68       12/31/2033         100%       0%        8.00%
16.75      67        3/31/2034         100%       0%        8.00%
16.50      66        6/30/2034         100%       0%        8.00%
16.25      65        9/30/2034         100%       0%        8.00%
16.00      64       12/31/2034         100%       0%        8.00%
15.75      63        3/31/2035         100%       0%        8.00%
15.50      62        6/30/2035         100%       0%        8.00%
15.25      61        9/30/2035         100%       0%        8.00%
15.00      60       12/31/2035         100%       0%        8.00%
14.75      59        3/31/2036         100%       0%        8.00%
14.50      58        6/30/2036         100%       0%        8.00%
14.25      57        9/30/2036         100%       0%        8.00%
14.00      56       12/31/2036         100%       0%        8.00%
13.75      55        3/31/2037         100%       0%        8.00%
13.50      54        6/30/2037         100%       0%        8.00%
13.25      53        9/30/2037         100%       0%        8.00%
13.00      52       12/31/2037         100%       0%        8.00%
12.75      51        3/31/2038         100%       0%        8.00%
12.50      50        6/30/2038         100%       0%        8.00%
12.25      49        9/30/2038         100%       0%        8.00%
12.00      48       12/31/2038         100%       0%        8.00%
11.75      47        3/31/2039         100%       0%        8.00%
11.50      46        6/30/2039         100%       0%        8.00%
11.25      45        9/30/2039         100%       0%        8.00%
11.00      44       12/31/2039         100%       0%        8.00%
10.75      43        3/31/2040         100%       0%        8.00%
10.50      42        6/30/2040         100%       0%        8.00%
10.25      41        9/30/2040         100%       0%        8.00%
10.00      40       12/31/2040         100%       0%        8.00%
 9.75      39        3/31/2041          99%       1%        7.92%
 9.50      38        6/30/2041          98%       2%        7.84%
 9.25      37        9/30/2041          97%       3%        7.76%
 9.00      36       12/31/2041          96%       4%        7.68%
 8.75      35        3/31/2042          95%       5%        7.60%
 8.50      34        6/30/2042          94%       6%        7.52%
 8.25      33        9/30/2042          93%       7%        7.44%
 8.00      32       12/31/2042          92%       8%        7.36%
 7.75      31        3/31/2043          91%       9%        7.28%
 7.50      30        6/30/2043          90%      10%        7.20%
 7.25      29        9/30/2043          89%      11%        7.12%
 7.00      28       12/31/2043          88%      12%        7.04%
 6.75      27        3/31/2044          87%      13%        6.96%
 6.50      26        6/30/2044          86%      14%        6.88%
 6.25      25        9/30/2044          85%      15%        6.80%
 6.00      24       12/31/2044          84%      16%        6.72%
 5.75      23        3/31/2045          83%      17%        6.64%
 5.50      22        6/30/2045          82%      18%        6.56%
 5.25      21        9/30/2045          81%      19%        6.48%
 5.00      20       12/31/2045          80%      20%        6.40%
 4.75      19        3/31/2046          79%      21%        6.32%
 4.50      18        6/30/2046          78%      22%        6.24%
 4.25      17        9/30/2046          77%      23%        6.16%
 4.00      16       12/31/2046          76%      24%        6.08%
 3.75      15        3/31/2047          75%      25%        6.00%
 3.50      14        6/30/2047          74%      26%        5.92%
 3.25      13        9/30/2047          73%      27%        5.84%
 3.00      12       12/31/2047          72%      28%        5.76%
 2.75      11        3/31/2048          71%      29%        5.68%
 2.50      10        6/30/2048          70%      30%        5.60%
 2.25       9        9/30/2048          69%      31%        5.52%
 2.00       8       12/31/2048          68%      32%        5.44%
 1.75       7        3/31/2049          67%      33%        5.36%
 1.50       6        6/30/2049          66%      34%        5.28%
 1.25       5        9/30/2049          65%      35%        5.20%
 1.00       4       12/31/2049          64%      36%        5.12%
 0.75       3        3/31/2050          63%      37%        5.04%
 0.50       2        6/30/2050          62%      38%        4.97%
 0.25       1        9/30/2050          61%      39%        4.89%
 0.00       0       12/31/2050          60%      40%        4.81%

The following table lists the expected market exposure through Invesco Balanced-Risk Allocation Fund to equities, commodities and fixed income and through Liquid Assets Portfolio and Premier Portfolio to cash equivalents. The portfolio managers actively adjust portfolio positions in Invesco Balanced-Risk Allocation Fund to minimize loss of capital, to benefit from market opportunities and to reduce excess volatility. Due to the use of leverage in the underlying fund, Invesco Balanced-Risk Allocation Fund, the percentages may not equal 100%.

  10-50 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
    
Equities15.8%29.6%62.5%
Commodities13.7%20.8%35.6%
Fixed Income 47.8 % 81.6%136.9%
Cash Equivalents0.0%0.0%0.0%
  5 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities12.6%23.7%50.0%
Commodities11.0%17.4%28.5%
Fixed Income38.3%68.0%109.5%
Cash Equivalents20.0%20.0%20.0%
  At Retirement Date 
  Strategic 
 MinimumAllocationMaximum
Equities9.5%17.8%37.5%
Commodities8.2%13.0%21.4%
Fixed Income28.7%51.0%82.1%
Cash Equivalents40.0%40.0%40.0%

An investment in the Fund is not guaranteed, and you may experience losses, including near to, at, or after the target date. There is no guarantee that the Fund will provide adequate income at or through your retirement.

Investment Objectives and Strategies of the Underlying Funds

Invesco Balanced-Risk Allocation Fund. Invesco Balanced-Risk Allocation Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices. Invesco Balanced-Risk Allocation Fund’s investment objective may be changed by the Board of Trustees without shareholder approval.

Invesco Balanced-Risk Allocation Fund invests, under normal conditions, in derivatives and other financially-linked instruments whose performance is expected to correspond to U.S. and international fixed income, equity and commodity markets. Invesco Balanced-Risk Allocation Fund may invest in derivatives and other financially-linked instruments such as futures, swap agreements, including total return swaps and may also invest in U.S. and foreign government debt securities and other securities such as exchange-traded funds (ETFs) and commodity-linked notes. Invesco Balanced-Risk Allocation Fund’s international investments will generally be in developed countries, but may also include emerging market countries. Invesco Balanced-Risk Allocation Fund’s fixed income investments are generally considered to be investment grade while Invesco Balanced-Risk Allocation Fund’s commodity markets exposure will generally be in the precious metals, agriculture, energy and industrial metals sectors. Invesco Balanced-Risk Allocation Fund will also invest in the Subsidiary and ETFs to gain exposure to commodity markets. The Subsidiary, in turn, will invest in futures, exchange-traded notes (ETNs) and other securities and financially-linked instruments. ETNs are senior, unsecured, unsubordinated debt securities whose returns are linked to the performance of a particular market benchmark or strategy, minus applicable fees. ETNs are traded on an exchange (e.g., the New York Stock Exchange) during normal trading hours; however, investors can also hold the ETN until maturity. Invesco Balanced-Risk Allocation Fund will generally maintain 60% of its total assets in cash and cash equivalent instruments including affiliated money market funds. Some of the cash holdings will serve as margin or collateral for the Fund’s obligations under derivative transactions. Invesco Balanced-Risk Allocation Fund’s investments in certain derivatives may create significant leveraged exposure to certain equity, fixed income and commodity markets. Leverage occurs when the investments in derivatives create greater economic exposure than the amount invested. This means that Invesco Balanced-Risk Allocation Fund could lose more than originally invested in the derivative.

The Subsidiary is advised by Invesco and has the same investment objective as Invesco Balanced-Risk Allocation Fund and generally employs the same investment strategy but limits its investments to commodity derivatives, ETNs, cash and cash equivalent instruments, including affiliated money market funds.

The Subsidiary, unlike Invesco Balanced-Risk Allocation Fund, may invest without limitation in commodities, commodity-linked derivatives and other securities, such as ETNs, that may provide leveraged and non-leveraged exposure to commodity markets. The Subsidiary also may hold cash and invest in cash equivalent instruments, including affiliated money market funds, some of which may serve as margin or collateral for the Subsidiary’s derivative positions. The Fund may invest up to 25% of its total assets in the Subsidiary. Invesco Balanced-Risk Allocation Fund will be subject to the risks associated with any investment by the Subsidiary to the extent of Invesco Balanced-Risk Allocation Fund’s investment in the Subsidiary.

Invesco Balanced-Risk Allocation Fund is non-diversified, which means that it can invest a greater percentage of its assets in any one issuer than a diversified fund can.

Relative to traditional balanced portfolios, Invesco Balanced-Risk Allocation Fund will seek to provide greater capital loss protection during down markets. The portfolio’s management team will accomplish this through a three-step investment process.

The first step involves asset selection. The management team selects representative assets to gain exposure to equity, fixed income and commodity markets. The selection process (1) evaluates a particular asset’s theoretical case for long-term excess returns relative to cash; (2) screens the identified assets to meet minimum liquidity criteria; and (3) reviews the expected correlation among the assets and the expected risk for each asset to determine whether the selected assets are likely to improve the expected risk adjusted return of Invesco Balanced-Risk Allocation Fund.

The second step involves portfolio construction. Proprietary estimates for risk and correlation are used by the management team to create a portfolio. The team re-estimates the risk contributed by each asset and re-optimizes the portfolio periodically or when new assets are introduced to Invesco Balanced-Risk Allocation Fund.

The final step involves active positioning. The management team actively adjusts portfolio positions to reflect the near-term market environment, while remaining consistent with the optimized long-term portfolio structure described in step two above. The management team balances these two competing ideas—opportunity for excess return from active positioning and the need to maintain asset class exposure set forth in the optimized portfolio structure—by setting controlled tactical ranges around the long-term asset allocation. The resulting asset allocation is then implemented by investing in derivatives, other financially-linked instruments, U.S. and foreign government debt securities, other securities, cash and cash equivalent instruments, including affiliated money market funds. By using derivatives, Invesco Balanced-Risk Allocation Fund is able to gain greater exposure to assets within each class than would be possible using cash instruments, and thus seeks to balance the amount of risk each asset class contributes to the portfolio.

Liquid Assets Portfolio. Liquid Assets Portfolio’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital and liquidity. Liquid Assets Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Liquid Assets Portfolio invests in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. or foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Liquid Assets Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Liquid Assets Portfolio invests in conformity with Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Liquid Assets Portfolio maintains a dollar-weighted average portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Liquid Assets Portfolio may invest up to 50% of its total assets in U.S. dollar-denominated foreign securities. Liquid Assets Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Liquid Assets Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Liquid Assets Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. The portfolio manager may invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a particular security when they deem it advisable, such as when market or credit factors materially change.

Premier Portfolio. Premier Portfolio’s investment objective is a high level of current income consistent with the preservation of capital and the maintenance of liquidity. Premier Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Premier Portfolio invests primarily in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. and foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Premier Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Premier Portfolio invests in conformity with the Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Premier Portfolio maintains a dollar-weighted portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Premier Portfolio invests from time to time in U.S. dollar-denominated foreign securities. Premier Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Premier Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Premier Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. Premier Portfolio may also invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a security when they deem it advisable, such as when market or credit factors materially change.

Principal Risks of Investing in the Fund and the Underlying Funds

As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. Because the Fund is a fund of funds, the Fund is subject to the risks associated with the underlying funds in which it invests. The principal risks of investing in the Fund and the underlying funds are:

Active Trading Risk. Certain underlying funds engage in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability.

Commodity-Linked Notes Risk. An underlying fund’s investments in commodity-linked notes may involve substantial risks, including risk of loss of a significant portion of their principal value. In addition to risks associated with the underlying commodities, they may be subject to additional special risks, such as the lack of a secondary trading market and temporary price distortions due to speculators and/or the continuous rolling over of futures contracts underlying the notes. Commodity-linked notes are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Commodity Risk. Certain of the underlying funds will invest in commodities through a wholly-owned subsidiary of that underlying fund organized under the laws of the Cayman Islands (the Subsidiary). Investment exposure to the commodities markets and/or a particular sector of the commodities markets, may subject the underlying fund and the Subsidiary to greater volatility than investments in traditional securities, such as stocks and bonds. The commodities markets may fluctuate widely based on a variety of factors, including changes in overall market movements, domestic and foreign political and economic events and policies, war, acts of terrorism, changes in domestic or foreign interest rates and/or investor expectations concerning interest rates, domestic and foreign inflation rates and investment and trading activities of mutual funds, hedge funds and commodities funds. Prices of various commodities may also be affected by factors such as drought, floods, weather, livestock disease, embargoes, tariffs and other regulatory developments. The prices of commodities can also fluctuate widely due to supply and demand disruptions in major producing or consuming regions. Because certain of the underlying fund’s and the Subsidiary’s performance is linked to the performance of potentially volatile commodities, investors should be willing to assume the risks of potentially significant fluctuations in the value of the underlying fund’s shares.

Concentration Risk. To the extent an underlying fund invests a greater amount in any one sector or industry, an underlying fund’s performance will depend to a greater extent on the overall condition of the sector or industry, and there is increased risk to an underlying fund if conditions adversely affect that sector or industry.

Counterparty Risk. Many of the instruments that an underlying fund expects to hold may be subject to the risk that the other party to a contract will not fulfill its contractual obligations.

Credit Risk. The issuer of instruments in which an underlying fund invests may be unable to meet interest and/or principal payments, thereby causing its instruments to decrease in value and lowering the issuer’s credit rating.

Currency/Exchange Rate Risk. The dollar value of an underlying fund’s foreign investments will be affected by changes in the exchange rates between the dollar and the currencies in which those investments are traded.

Derivatives Risk. Derivatives may be more difficult to purchase, sell or value than other investments and may be subject to market, interest rate, credit, leverage, counterparty and management risks. An underlying fund investing in a derivative could lose more than the cash amount invested or incur higher taxes. Over-the-counter derivatives are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Developing Markets Securities Risk. Securities issued by foreign companies and governments located in developing countries may be affected more negatively by inflation, devaluation of their currencies, higher transaction costs, delays in settlement, adverse political developments, the introduction of capital controls, withholding taxes, nationalization of private assets, expropriation, social unrest, war or lack of timely information than those in developed countries.

Exchange-Traded Funds Risk. An investment by the Fund or underlying fund in ETFs generally presents the same primary risks as an investment in a mutual fund. In addition, an ETF may be subject to the following: (1) a discount of the ETF’s shares to its net asset value; (2) failure to develop an active trading market for the ETF’s shares; (3) the listing exchange halting trading of the ETF’s shares; (4) failure of the ETF’s shares to track the referenced index; and (5) holding troubled securities in the referenced index. ETFs may involve duplication of management fees and certain other expenses, as the Fund or underlying fund indirectly bears its proportionate share of any expenses paid by the ETFs in which it invests. Further, certain of the ETFs in which the Fund or underlying fund may invest are leveraged. The more the Fund or underlying fund invests in such leveraged ETFs, the more this leverage will magnify any losses on those investments.

Exchange-Traded Notes Risk. Exchange-Traded Notes (ETNs) are subject to credit risk, including the credit risk of the issuer, and the value of the ETN may drop due to a downgrade in the issuer’s credit rating, despite the underlying market benchmark or strategy remaining unchanged. The value of an ETN may also be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in underlying assets, changes in the applicable interest rates, changes in the issuer’s credit rating, and economic, legal, political, or geographic events that affect the referenced underlying asset.

Foreign Securities Risk. An underlying fund’s foreign investments may be affected by changes in a foreign country’s exchange rates; political and social instability; changes in economic or taxation policies; difficulties when enforcing obligations; decreased liquidity; and increased volatility. Foreign companies may be subject to less regulation resulting in less publicly available information about the companies.

Fund of Funds Risk. The Fund’s performance depends on the underlying funds in which it invests, and it is subject to the risks of the underlying funds. Market fluctuations may change the target weightings in the underlying funds. The underlying funds may change their investment objectives, policies or practices and may not achieve their investment objectives, all of which may cause the Fund to withdraw its investments therein at a disadvantageous time.

Industry Focus Risk. To the extent an underlying fund invests in securities issued or guaranteed by companies in the banking and financial services industries, the underlying fund’s performance will depend on the overall condition of those industries, which may be affected by the following factors: the supply of short-term financing; changes in government regulation and interest rates; and overall economy.

Interest Rate Risk. Interest rate risk refers to the risk that bond prices generally fall as interest rates rise; conversely, bond prices generally rise as interest rates fall. Specific bonds differ in their sensitivity to changes in interest rates depending on their individual characteristics, including duration.

Leverage Risk. Leverage exists when an underlying fund purchases or sells an instrument or enters into a transaction without investing cash in an amount equal to the full economic exposure of the instrument or transaction and the underlying fund could lose more than it invested. Leverage created from borrowing or certain types of transactions or instruments, including derivatives, may impair an underlying fund’s liquidity, cause it to liquidate positions at an unfavorable time, increase volatility or otherwise not achieve its intended objective.

Liquidity Risk. An underlying fund may hold illiquid securities that it is unable to sell at the preferred time or price and could lose its entire investment in such securities.

Management Risk. The investment techniques and risk analysis used by the Fund’s and the underlying funds’ portfolio managers may not produce the desired results.

Market Risk. The prices of and the income generated by the underlying funds’ securities may decline in response to, among other things, investor sentiment; general economic and market conditions; regional or global instability; and currency and interest rate fluctuations.

Money Market Fund Risk. Although the underlying fund seeks to preserve the value of your investment at $1.00 per share, you may lose money by investing in the underlying fund. The share price of money market funds can fall below the $1.00 share price. You should not rely on or expect the underlying fund’s adviser or its affiliates to enter into support agreements or take other actions to maintain the underlying fund’s $1.00 share price. The credit quality of the underlying fund’s holdings can change rapidly in certain markets, and the default of a single holding could have an adverse impact on the underlying fund’s share price. An underlying fund’s share price can also be negatively affected during periods of high redemption pressures and/or illiquid markets. Further regulation could impact the way the underlying fund is managed, possibly negatively impacting its return. Additionally, the underlying fund’s yield will vary as the short-term securities in its portfolio mature or are sold and the proceeds are reinvested in other securities.

Municipal Securities Risk. An underlying fund may invest in municipal securities. Constitutional amendments, legislative enactments, executive orders, administrative regulations, voter initiatives, and the issuer’s regional economic conditions may affect the municipal security’s value, interest payments, repayment of principal and the underlying fund’s ability to sell it. Failure of a municipal security issuer to comply with applicable tax requirements may make income paid thereon taxable, resulting in a decline in the security’s value.

Non-Diversification Risk. Certain of the underlying funds are non-diversified and can invest a greater portion of their assets in a single issuer. A change in the value of the issuer could affect the value of an underlying fund more than if it was a diversified fund.

Repurchase Agreement Risk. If the seller of a repurchase agreement in which an underlying fund invests defaults on its obligation or declares bankruptcy, the underlying fund may experience delays in selling the securities underlying the repurchase agreement resulting in losses.

Subsidiary Risk. By investing in the Subsidiary, an underlying fund is indirectly exposed to risks associated with the Subsidiary’s investments, including derivatives and commodities. Because the Subsidiary is not registered under the Investment Company Act of 1940, as amended (1940 Act), the underlying fund, as the sole investor in the Subsidiary, will not have the protections offered to investors in U.S. registered investment companies. Changes in the laws of the United States and/or the Cayman Islands, under which the underlying fund and the Subsidiary, respectively, are organized, could result in the inability of the underlying fund and/or the Subsidiary to operate as described in the underlying fund prospectus and the SAI, and could negatively affect the underlying fund and its shareholders.

Tax Risk. Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from commodity-linked notes as qualifying income based on a private letter ruling it has received from the Internal Revenue Service (IRS) holding that the income from a form of commodity-linked note constitutes qualifying income. Additionally, Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from the Subsidiary as qualifying income based on a private letter ruling it has received from the IRS holding that the income of the Subsidiary attributable to Invesco Balanced-Risk Allocation Fund is income derived with respect to Invesco Balanced-Risk Allocation Fund’s business of investing in the stock of the Subsidiary and thus constitutes qualifying income. If, however, the IRS were to change its position with respect to the conclusions reached in these private letter rulings, such that Invesco Balanced-Risk Allocation Fund’s income from the Subsidiary and commodity-linked notes is not “qualifying income,” Invesco Balanced-Risk Allocation Fund may be unable to qualify as a regulated investment company for one or more years. In this event, the Invesco Balanced-Risk Allocation Fund’s Board of Trustees may authorize a significant change in investment strategy or liquidation.

U.S. Government Obligations Risk. Obligations issued by U.S. government agencies and instrumentalities may receive varying levels of support from the government, which could affect an underlying fund’s ability to recover should they default.

Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark, a style specific benchmark and a peer group benchmark comprised of funds with investment objectives and strategies similar to those of the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of its future performance. Updated performance information is available on the Fund’s Web site at www.invesco.com/us.
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualTotalReturnsBarChartInvescoBalancedRiskRetirement2010FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015564_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Institutional Class Shares year-to-date (ended March 31, 2011): 0.34%

Best Quarter (ended September 30, 2009): 10.82%

Worst Quarter (ended December 31, 2008): (9.73)%

Average Annual Total Returns (for the periods ended December 31, 2010)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AverageAnnualTotalReturnsInvescoBalancedRiskRetirement2010FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015564_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangement, such as 401(k) plans or individual retirement accounts.
Invesco Balanced-Risk Retirement 2020 Fund
Fund Summary - INVESCO BALANCED-RISK RETIREMENT 2020 FUND - INSTITUTIONAL
Investment Objective(s)
The Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices,
and as a secondary objective, capital preservation.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.
Shareholder Fees (fees paid directly from your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ShareholderFeesInvescoBalancedRiskRetirement2020FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015565_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoBalancedRiskRetirement2020FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015565_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Example.
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.

Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ExpenseExampleInvescoBalancedRiskRetirement2020FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015565_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Portfolio Turnover.
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 57% of the average value of its portfolio.
Principal Investment Strategies of the Fund and the Underlying Funds

The Fund seeks to meet its investment objective by building a portfolio that includes Invesco Balanced-Risk Allocation Fund and two affiliated money market funds, Liquid Assets Portfolio and Premier Portfolio. The Fund will generally rebalance its assets to the Fund’s target allocations on a monthly basis. A list of the underlying funds and their approximate target fund weightings as of April 30, 2011 is set forth below:

Underlying FundsInvesco Balanced-Risk
 Retirement 2020 Fund
Invesco Balanced-Risk Allocation Fund97.00%
Liquid Assets Portfolio1.50%
Premier Portfolio1.50%
Total100%

The Fund’s name indicates the approximate date an investor in the Fund plans to retire and may stop making new investments in the Fund. Consistent with the Fund’s real return and capital preservation objectives, the Fund is designed for investors who expect to need all or most of their money in the Fund at retirement and for investors who plan to withdraw the value of their account in the Fund gradually after retirement. Once the asset allocation of the Fund has become similar to the asset allocation of the Invesco Balanced-Risk Retirement Now Fund, the Board of Trustees may approve combining the Fund with Invesco Balanced-Risk Retirement Now Fund if they determine that such a combination is in the best interests of the Fund’s shareholders. Such a combination will result in the shareholders of the Fund owning shares of Invesco Balanced-Risk Retirement Now Fund rather than the Fund. The Adviser expects such a combination to generally occur during the year of the Fund’s target retirement date.

The following chart displays how the Adviser expects the asset allocation for the Fund to change as its target retirement date approaches. The Fund employs a risk-balanced optimization process which accounts for the flat glide path (the glide path is the rate at which the asset mix changes over time) until approximately 10 years from the target retirement date. The glide path will become more conservative on a quarterly basis approximately 10 years from the target retirement date by gradually reducing the allocation to Invesco Balanced-Risk Allocation Fund and increasing the allocation to money market funds. The actual asset allocations for the Funds may differ from those shown in the chart below.


                                      ABRA        Cash
Risk                                  8.00%      0.60%
                                                          2050 Fund
Years   Quarters   2050 Fund Date   $ Weight   $ Weight     Risk

50.00     200       12/31/2000         100%       0%        8.00%
49.75     199        3/31/2001         100%       0%        8.00%
49.50     198        6/30/2001         100%       0%        8.00%
49.25     197        9/30/2001         100%       0%        8.00%
49.00     196       12/31/2001         100%       0%        8.00%
48.75     195        3/31/2002         100%       0%        8.00%
48.50     194        6/30/2002         100%       0%        8.00%
48.25     193        9/30/2002         100%       0%        8.00%
48.00     192       12/31/2002         100%       0%        8.00%
47.75     191        3/31/2003         100%       0%        8.00%
47.50     190        6/30/2003         100%       0%        8.00%
47.25     189        9/30/2003         100%       0%        8.00%
47.00     188       12/31/2003         100%       0%        8.00%
46.75     187        3/31/2004         100%       0%        8.00%
46.50     186        6/30/2004         100%       0%        8.00%
46.25     185        9/30/2004         100%       0%        8.00%
46.00     184       12/31/2004         100%       0%        8.00%
45.75     183        3/31/2005         100%       0%        8.00%
45.50     182        6/30/2005         100%       0%        8.00%
45.25     181        9/30/2005         100%       0%        8.00%
45.00     180       12/31/2005         100%       0%        8.00%
44.75     179        3/31/2006         100%       0%        8.00%
44.50     178        6/30/2006         100%       0%        8.00%
44.25     177        9/30/2006         100%       0%        8.00%
44.00     176       12/31/2006         100%       0%        8.00%
43.75     175        3/31/2007         100%       0%        8.00%
43.50     174        6/30/2007         100%       0%        8.00%
43.25     173        9/30/2007         100%       0%        8.00%
43.00     172       12/31/2007         100%       0%        8.00%
42.75     171        3/31/2008         100%       0%        8.00%
42.50     170        6/30/2008         100%       0%        8.00%
42.25     169        9/30/2008         100%       0%        8.00%
42.00     168       12/31/2008         100%       0%        8.00%
41.75     167        3/31/2009         100%       0%        8.00%
41.50     166        6/30/2009         100%       0%        8.00%
41.25     165        9/30/2009         100%       0%        8.00%
41.00     164       12/31/2009         100%       0%        8.00%
40.75     163        3/31/2010         100%       0%        8.00%
40.50     162        6/30/2010         100%       0%        8.00%
40.25     161        9/30/2010         100%       0%        8.00%
40.00     160       12/31/2010         100%       0%        8.00%
39.75     159        3/31/2011         100%       0%        8.00%
39.50     158        6/30/2011         100%       0%        8.00%
39.25     157        9/30/2011         100%       0%        8.00%
39.00     156       12/31/2011         100%       0%        8.00%
38.75     155        3/31/2012         100%       0%        8.00%
38.50     154        6/30/2012         100%       0%        8.00%
38.25     153        9/30/2012         100%       0%        8.00%
38.00     152       12/31/2012         100%       0%        8.00%
37.75     151        3/31/2013         100%       0%        8.00%
37.50     150        6/30/2013         100%       0%        8.00%
37.25     149        9/30/2013         100%       0%        8.00%
37.00     148       12/31/2013         100%       0%        8.00%
36.75     147        3/31/2014         100%       0%        8.00%
36.50     146        6/30/2014         100%       0%        8.00%
36.25     145        9/30/2014         100%       0%        8.00%
36.00     144       12/31/2014         100%       0%        8.00%
35.75     143        3/31/2015         100%       0%        8.00%
35.50     142        6/30/2015         100%       0%        8.00%
35.25     141        9/30/2015         100%       0%        8.00%
35.00     140       12/31/2015         100%       0%        8.00%
34.75     139        3/31/2016         100%       0%        8.00%
34.50     138        6/30/2016         100%       0%        8.00%
34.25     137        9/30/2016         100%       0%        8.00%
34.00     136       12/31/2016         100%       0%        8.00%
33.75     135        3/31/2017         100%       0%        8.00%
33.50     134        6/30/2017         100%       0%        8.00%
33.25     133        9/30/2017         100%       0%        8.00%
33.00     132       12/31/2017         100%       0%        8.00%
32.75     131        3/31/2018         100%       0%        8.00%
32.50     130        6/30/2018         100%       0%        8.00%
32.25     129        9/30/2018         100%       0%        8.00%
32.00     128       12/31/2018         100%       0%        8.00%
31.75     127        3/31/2019         100%       0%        8.00%
31.50     126        6/30/2019         100%       0%        8.00%
31.25     125        9/30/2019         100%       0%        8.00%
31.00     124       12/31/2019         100%       0%        8.00%
30.75     123        3/31/2020         100%       0%        8.00%
30.50     122        6/30/2020         100%       0%        8.00%
30.25     121        9/30/2020         100%       0%        8.00%
30.00     120       12/31/2020         100%       0%        8.00%
29.75     119        3/31/2021         100%       0%        8.00%
29.50     118        6/30/2021         100%       0%        8.00%
29.25     117        9/30/2021         100%       0%        8.00%
29.00     116       12/31/2021         100%       0%        8.00%
28.75     115        3/31/2022         100%       0%        8.00%
28.50     114        6/30/2022         100%       0%        8.00%
28.25     113        9/30/2022         100%       0%        8.00%
28.00     112       12/31/2022         100%       0%        8.00%
27.75     111        3/31/2023         100%       0%        8.00%
27.50     110        6/30/2023         100%       0%        8.00%
27.25     109        9/30/2023         100%       0%        8.00%
27.00     108       12/31/2023         100%       0%        8.00%
26.75     107        3/31/2024         100%       0%        8.00%
26.50     106        6/30/2024         100%       0%        8.00%
26.25     105        9/30/2024         100%       0%        8.00%
26.00     104       12/31/2024         100%       0%        8.00%
25.75     103        3/31/2025         100%       0%        8.00%
25.50     102        6/30/2025         100%       0%        8.00%
25.25     101        9/30/2025         100%       0%        8.00%
25.00     100       12/31/2025         100%       0%        8.00%
24.75      99        3/31/2026         100%       0%        8.00%
24.50      98        6/30/2026         100%       0%        8.00%
24.25      97        9/30/2026         100%       0%        8.00%
24.00      96       12/31/2026         100%       0%        8.00%
23.75      95        3/31/2027         100%       0%        8.00%
23.50      94        6/30/2027         100%       0%        8.00%
23.25      93        9/30/2027         100%       0%        8.00%
23.00      92       12/31/2027         100%       0%        8.00%
22.75      91        3/31/2028         100%       0%        8.00%
22.50      90        6/30/2028         100%       0%        8.00%
22.25      89        9/30/2028         100%       0%        8.00%
22.00      88       12/31/2028         100%       0%        8.00%
21.75      87        3/31/2029         100%       0%        8.00%
21.50      86        6/30/2029         100%       0%        8.00%
21.25      85        9/30/2029         100%       0%        8.00%
21.00      84       12/31/2029         100%       0%        8.00%
20.75      83        3/31/2030         100%       0%        8.00%
20.50      82        6/30/2030         100%       0%        8.00%
20.25      81        9/30/2030         100%       0%        8.00%
20.00      80       12/31/2030         100%       0%        8.00%
19.75      79        3/31/2031         100%       0%        8.00%
19.50      78        6/30/2031         100%       0%        8.00%
19.25      77        9/30/2031         100%       0%        8.00%
19.00      76       12/31/2031         100%       0%        8.00%
18.75      75        3/31/2032         100%       0%        8.00%
18.50      74        6/30/2032         100%       0%        8.00%
18.25      73        9/30/2032         100%       0%        8.00%
18.00      72       12/31/2032         100%       0%        8.00%
17.75      71        3/31/2033         100%       0%        8.00%
17.50      70        6/30/2033         100%       0%        8.00%
17.25      69        9/30/2033         100%       0%        8.00%
17.00      68       12/31/2033         100%       0%        8.00%
16.75      67        3/31/2034         100%       0%        8.00%
16.50      66        6/30/2034         100%       0%        8.00%
16.25      65        9/30/2034         100%       0%        8.00%
16.00      64       12/31/2034         100%       0%        8.00%
15.75      63        3/31/2035         100%       0%        8.00%
15.50      62        6/30/2035         100%       0%        8.00%
15.25      61        9/30/2035         100%       0%        8.00%
15.00      60       12/31/2035         100%       0%        8.00%
14.75      59        3/31/2036         100%       0%        8.00%
14.50      58        6/30/2036         100%       0%        8.00%
14.25      57        9/30/2036         100%       0%        8.00%
14.00      56       12/31/2036         100%       0%        8.00%
13.75      55        3/31/2037         100%       0%        8.00%
13.50      54        6/30/2037         100%       0%        8.00%
13.25      53        9/30/2037         100%       0%        8.00%
13.00      52       12/31/2037         100%       0%        8.00%
12.75      51        3/31/2038         100%       0%        8.00%
12.50      50        6/30/2038         100%       0%        8.00%
12.25      49        9/30/2038         100%       0%        8.00%
12.00      48       12/31/2038         100%       0%        8.00%
11.75      47        3/31/2039         100%       0%        8.00%
11.50      46        6/30/2039         100%       0%        8.00%
11.25      45        9/30/2039         100%       0%        8.00%
11.00      44       12/31/2039         100%       0%        8.00%
10.75      43        3/31/2040         100%       0%        8.00%
10.50      42        6/30/2040         100%       0%        8.00%
10.25      41        9/30/2040         100%       0%        8.00%
10.00      40       12/31/2040         100%       0%        8.00%
 9.75      39        3/31/2041          99%       1%        7.92%
 9.50      38        6/30/2041          98%       2%        7.84%
 9.25      37        9/30/2041          97%       3%        7.76%
 9.00      36       12/31/2041          96%       4%        7.68%
 8.75      35        3/31/2042          95%       5%        7.60%
 8.50      34        6/30/2042          94%       6%        7.52%
 8.25      33        9/30/2042          93%       7%        7.44%
 8.00      32       12/31/2042          92%       8%        7.36%
 7.75      31        3/31/2043          91%       9%        7.28%
 7.50      30        6/30/2043          90%      10%        7.20%
 7.25      29        9/30/2043          89%      11%        7.12%
 7.00      28       12/31/2043          88%      12%        7.04%
 6.75      27        3/31/2044          87%      13%        6.96%
 6.50      26        6/30/2044          86%      14%        6.88%
 6.25      25        9/30/2044          85%      15%        6.80%
 6.00      24       12/31/2044          84%      16%        6.72%
 5.75      23        3/31/2045          83%      17%        6.64%
 5.50      22        6/30/2045          82%      18%        6.56%
 5.25      21        9/30/2045          81%      19%        6.48%
 5.00      20       12/31/2045          80%      20%        6.40%
 4.75      19        3/31/2046          79%      21%        6.32%
 4.50      18        6/30/2046          78%      22%        6.24%
 4.25      17        9/30/2046          77%      23%        6.16%
 4.00      16       12/31/2046          76%      24%        6.08%
 3.75      15        3/31/2047          75%      25%        6.00%
 3.50      14        6/30/2047          74%      26%        5.92%
 3.25      13        9/30/2047          73%      27%        5.84%
 3.00      12       12/31/2047          72%      28%        5.76%
 2.75      11        3/31/2048          71%      29%        5.68%
 2.50      10        6/30/2048          70%      30%        5.60%
 2.25       9        9/30/2048          69%      31%        5.52%
 2.00       8       12/31/2048          68%      32%        5.44%
 1.75       7        3/31/2049          67%      33%        5.36%
 1.50       6        6/30/2049          66%      34%        5.28%
 1.25       5        9/30/2049          65%      35%        5.20%
 1.00       4       12/31/2049          64%      36%        5.12%
 0.75       3        3/31/2050          63%      37%        5.04%
 0.50       2        6/30/2050          62%      38%        4.97%
 0.25       1        9/30/2050          61%      39%        4.89%
 0.00       0       12/31/2050          60%      40%        4.81%

The following table lists the expected market exposure through Invesco Balanced-Risk Allocation Fund to equities, commodities and fixed income and through Liquid Assets Portfolio and Premier Portfolio to cash equivalents. The portfolio managers actively adjust portfolio positions in Invesco Balanced-Risk Allocation Fund to minimize loss of capital, to benefit from market opportunities and to reduce excessive volatility. Due to the use of leverage in the underlying fund, Invesco Balanced-Risk Allocation Fund, the percentages may not equal 100%.

  10-50 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities15.80%29.60%62.50%
Commodities13.70%20.80%35.60%
Fixed Income47.80%81.60%136.90%
Cash Equivalents0.00%0.00%0.00%
  5 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities12.60%23.70%50.00%
Commodities11.00%17.40%28.50%
Fixed Income38.30%68.00%109.50%
Cash Equivalents20.00%20.00%20.00%
  At Retirement Date 
  Strategic 
 MinimumAllocationMaximum
Equities9.50%17.80%37.50%
Commodities8.20%13.00%21.40%
Fixed Income28.70%51.00%82.10%
Cash Equivalents40.00%40.00%40.00%

An investment in the Fund is not guaranteed, and you may experience losses, including near to, at, or after the target date. There is no guarantee that the Fund will provide adequate income at or through your retirement.

Investment Objectives and Strategies of the Underlying Funds

Invesco Balanced-Risk Allocation Fund. Invesco Balanced-Risk Allocation Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices. Invesco Balanced-Risk Allocation Fund’s investment objective may be changed by the Board of Trustees without shareholder approval.

Invesco Balanced-Risk Allocation Fund invests, under normal conditions, in derivatives and other financially-linked instruments whose performance is expected to correspond to U.S. and international fixed income, equity and commodity markets. Invesco Balanced-Risk Allocation Fund may invest in derivatives and other financially-linked instruments such as futures, swap agreements, including total return swaps and may also invest in U.S. and foreign government debt securities and other securities such as exchange-traded funds (ETFs) and commodity-linked notes. Invesco Balanced-Risk Allocation Fund’s international investments will generally be in developed countries, but may also include emerging market countries. Invesco Balanced-Risk Allocation Fund’s fixed income investments are generally considered to be investment grade while Invesco Balanced-Risk Allocation Fund’s commodity markets exposure will generally be in the precious metals, agriculture, energy and industrial metals sectors. Invesco Balanced-Risk Allocation Fund will also invest in the Subsidiary and ETFs to gain exposure to commodity markets. The Subsidiary, in turn, will invest in futures, exchange-traded notes (ETNs) and other securities and financially-linked instruments. ETNs are senior, unsecured, unsubordinated debt securities whose returns are linked to the performance of a particular market benchmark or strategy, minus applicable fees. ETNs are traded on an exchange (e.g., the New York Stock Exchange) during normal trading hours; however, investors can also hold the ETN until maturity. Invesco Balanced-Risk Allocation Fund will generally maintain 60% of its total assets in cash and cash equivalent instruments including affiliated money market funds. Some of the cash holdings will serve as margin or collateral for the Fund’s obligations under derivative transactions. Invesco Balanced-Risk Allocation Fund’s investments in certain derivatives may create significant leveraged exposure to certain equity, fixed income and commodity markets. Leverage occurs when the investments in derivatives create greater economic exposure than the amount invested. This means that Invesco Balanced-Risk Allocation Fund could lose more than originally invested in the derivative.

The Subsidiary is advised by Invesco and has the same investment objective as Invesco Balanced-Risk Allocation Fund and generally employs the same investment strategy but limits its investments to commodity derivatives, ETNs, cash and cash equivalent instruments, including affiliated money market funds.

The Subsidiary, unlike Invesco Balanced-Risk Allocation Fund, may invest without limitation in commodities, commodity-linked derivatives and other securities, such as ETNs, that may provide leveraged and non-leveraged exposure to commodity markets. The Subsidiary also may hold cash and invest in cash equivalent instruments, including affiliated money market funds, some of which may serve as margin or collateral for the Subsidiary’s derivative positions. The Fund may invest up to 25% of its total assets in the Subsidiary. Invesco Balanced-Risk Allocation Fund will be subject to the risks associated with any investment by the Subsidiary to the extent of Invesco Balanced-Risk Allocation Fund’s investment in the Subsidiary.

Invesco Balanced-Risk Allocation Fund is non-diversified, which means that it can invest a greater percentage of its assets in any one issuer than a diversified fund can.

Relative to traditional balanced portfolios, Invesco Balanced-Risk Allocation Fund will seek to provide greater capital loss protection during down markets. The portfolio’s management team will accomplish this through a three-step investment process.

The first step involves asset selection. The management team selects representative assets to gain exposure to equity, fixed income and commodity markets. The selection process (1) evaluates a particular asset’s theoretical case for long-term excess returns relative to cash; (2) screens the identified assets to meet minimum liquidity criteria; and (3) reviews the expected correlation among the assets and the expected risk for each asset to determine whether the selected assets are likely to improve the expected risk adjusted return of Invesco Balanced-Risk Allocation Fund.

The second step involves portfolio construction. Proprietary estimates for risk and correlation are used by the management team to create a portfolio. The team re-estimates the risk contributed by each asset and re-optimizes the portfolio periodically or when new assets are introduced to Invesco Balanced-Risk Allocation Fund.

The final step involves active positioning. The management team actively adjusts portfolio positions to reflect the near-term market environment, while remaining consistent with the optimized long-term portfolio structure described in step two above. The management team balances these two competing ideas—opportunity for excess return from active positioning and the need to maintain asset class exposure set forth in the optimized portfolio structure—by setting controlled tactical ranges around the long-term asset allocation. The resulting asset allocation is then implemented by investing in derivatives, other financially-linked instruments, U.S. and foreign government debt securities, other securities, cash and cash equivalent instruments, including affiliated money market funds. By using derivatives, Invesco Balanced-Risk Allocation Fund is able to gain greater exposure to assets within each class than would be possible using cash instruments, and thus seeks to balance the amount of risk each asset class contributes to the portfolio.

Liquid Assets Portfolio. Liquid Assets Portfolio’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital and liquidity. Liquid Assets Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Liquid Assets Portfolio invests in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. or foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Liquid Assets Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Liquid Assets Portfolio invests in conformity with Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Liquid Assets Portfolio maintains a dollar-weighted average portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Liquid Assets Portfolio may invest up to 50% of its total assets in U.S. dollar-denominated foreign securities. Liquid Assets Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Liquid Assets Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Liquid Assets Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. The portfolio manager may invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a particular security when they deem it advisable, such as when market or credit factors materially change.

Premier Portfolio. Premier Portfolio’s investment objective is a high level of current income consistent with the preservation of capital and the maintenance of liquidity. Premier Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Premier Portfolio invests primarily in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. and foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Premier Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Premier Portfolio invests in conformity with the Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Premier Portfolio maintains a dollar-weighted portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Premier Portfolio invests from time to time in U.S. dollar-denominated foreign securities. Premier Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Premier Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Premier Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. Premier Portfolio may also invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a security when they deem it advisable, such as when market or credit factors materially change.

Principal Risks of Investing in the Fund and the Underlying Funds

As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. Because the Fund is a fund of funds, the Fund is subject to the risks associated with the underlying funds in which it invests. The principal risks of investing in the Fund and the underlying funds are:

Active Trading Risk. Certain underlying funds engage in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability.

Commodity-Linked Notes Risk. An underlying fund’s investments in commodity-linked notes may involve substantial risks, including risk of loss of a significant portion of their principal value. In addition to risks associated with the underlying commodities, they may be subject to additional special risks, such as the lack of a secondary trading market and temporary price distortions due to speculators and/or the continuous rolling over of futures contracts underlying the notes. Commodity-linked notes are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Commodity Risk. Certain of the underlying funds will invest in commodities through a wholly-owned subsidiary of that underlying fund organized under the laws of the Cayman Islands (the Subsidiary). Investment exposure to the commodities markets and/or a particular sector of the commodities markets, may subject the underlying fund and the Subsidiary to greater volatility than investments in traditional securities, such as stocks and bonds. The commodities markets may fluctuate widely based on a variety of factors, including changes in overall market movements, domestic and foreign political and economic events and policies, war, acts of terrorism, changes in domestic or foreign interest rates and/or investor expectations concerning interest rates, domestic and foreign inflation rates and investment and trading activities of mutual funds, hedge funds and commodities funds. Prices of various commodities may also be affected by factors such as drought, floods, weather, livestock disease, embargoes, tariffs and other regulatory developments. The prices of commodities can also fluctuate widely due to supply and demand disruptions in major producing or consuming regions. Because certain of the underlying fund’s and the Subsidiary’s performance is linked to the performance of potentially volatile commodities, investors should be willing to assume the risks of potentially significant fluctuations in the value of the underlying fund’s shares.

Concentration Risk. To the extent an underlying fund invests a greater amount in any one sector or industry, an underlying fund’s performance will depend to a greater extent on the overall condition of the sector or industry, and there is increased risk to an underlying fund if conditions adversely affect that sector or industry.

Counterparty Risk. Many of the instruments that an underlying fund expects to hold may be subject to the risk that the other party to a contract will not fulfill its contractual obligations.

Credit Risk. The issuer of instruments in which an underlying fund invests may be unable to meet interest and/or principal payments, thereby causing its instruments to decrease in value and lowering the issuer’s credit rating.

Currency/Exchange Rate Risk. The dollar value of an underlying fund’s foreign investments will be affected by changes in the exchange rates between the dollar and the currencies in which those investments are traded.

Derivatives Risk. Derivatives may be more difficult to purchase, sell or value than other investments and may be subject to market, interest rate, credit, leverage, counterparty and management risks. An underlying fund investing in a derivative could lose more than the cash amount invested or incur higher taxes. Over-the-counter derivatives are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Developing Markets Securities Risk. Securities issued by foreign companies and governments located in developing countries may be affected more negatively by inflation, devaluation of their currencies, higher transaction costs, delays in settlement, adverse political developments, the introduction of capital controls, withholding taxes, nationalization of private assets, expropriation, social unrest, war or lack of timely information than those in developed countries.

Exchange-Traded Funds Risk. An investment by the Fund or underlying fund in ETFs generally presents the same primary risks as an investment in a mutual fund. In addition, an ETF may be subject to the following: (1) a discount of the ETF’s shares to its net asset value; (2) failure to develop an active trading market for the ETF’s shares; (3) the listing exchange halting trading of the ETF’s shares; (4) failure of the ETF’s shares to track the referenced index; and (5) holding troubled securities in the referenced index. ETFs may involve duplication of management fees and certain other expenses, as the Fund or underlying fund indirectly bears its proportionate share of any expenses paid by the ETFs in which it invests. Further, certain of the ETFs in which the Fund or underlying fund may invest are leveraged. The more the Fund or underlying fund invests in such leveraged ETFs, the more this leverage will magnify any losses on those investments.

Exchange-Traded Notes Risk. Exchange-Traded Notes (ETNs) are subject to credit risk, including the credit risk of the issuer, and the value of the ETN may drop due to a downgrade in the issuer’s credit rating, despite the underlying market benchmark or strategy remaining unchanged. The value of an ETN may also be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in underlying assets, changes in the applicable interest rates, changes in the issuer’s credit rating, and economic, legal, political, or geographic events that affect the referenced underlying asset.

Foreign Securities Risk. An underlying fund’s foreign investments may be affected by changes in a foreign country’s exchange rates; political and social instability; changes in economic or taxation policies; difficulties when enforcing obligations; decreased liquidity; and increased volatility. Foreign companies may be subject to less regulation resulting in less publicly available information about the companies.

Fund of Funds Risk. The Fund’s performance depends on the underlying funds in which it invests, and it is subject to the risks of the underlying funds. Market fluctuations may change the target weightings in the underlying funds. The underlying funds may change their investment objectives, policies or practices and may not achieve their investment objectives, all of which may cause the Fund to withdraw its investments therein at a disadvantageous time.

Industry Focus Risk. To the extent an underlying fund invests in securities issued or guaranteed by companies in the banking and financial services industries, the underlying fund’s performance will depend on the overall condition of those industries, which may be affected by the following factors: the supply of short-term financing; changes in government regulation and interest rates; and overall economy.

Interest Rate Risk. Interest rate risk refers to the risk that bond prices generally fall as interest rates rise; conversely, bond prices generally rise as interest rates fall. Specific bonds differ in their sensitivity to changes in interest rates depending on their individual characteristics, including duration.

Leverage Risk. Leverage exists when an underlying fund purchases or sells an instrument or enters into a transaction without investing cash in an amount equal to the full economic exposure of the instrument or transaction and the underlying fund could lose more than it invested. Leverage created from borrowing or certain types of transactions or instruments, including derivatives, may impair an underlying fund’s liquidity, cause it to liquidate positions at an unfavorable time, increase volatility or otherwise not achieve its intended objective.

Liquidity Risk. An underlying fund may hold illiquid securities that it is unable to sell at the preferred time or price and could lose its entire investment in such securities.

Management Risk. The investment techniques and risk analysis used by the Fund’s and the underlying funds’ portfolio managers may not produce the desired results.

Market Risk. The prices of and the income generated by the underlying funds’ securities may decline in response to, among other things, investor sentiment; general economic and market conditions; regional or global instability; and currency and interest rate fluctuations.

Money Market Fund Risk. Although the underlying fund seeks to preserve the value of your investment at $1.00 per share, you may lose money by investing in the underlying fund. The share price of money market funds can fall below the $1.00 share price. You should not rely on or expect the underlying fund’s adviser or its affiliates to enter into support agreements or take other actions to maintain the underlying fund’s $1.00 share price. The credit quality of the underlying fund’s holdings can change rapidly in certain markets, and the default of a single holding could have an adverse impact on the underlying fund’s share price. An underlying fund’s share price can also be negatively affected during periods of high redemption pressures and/or illiquid markets. Further regulation could impact the way the underlying fund is managed, possibly negatively impacting its return. Additionally, the underlying fund’s yield will vary as the short-term securities in its portfolio mature or are sold and the proceeds are reinvested in other securities.

Municipal Securities Risk. An underlying fund may invest in municipal securities. Constitutional amendments, legislative enactments, executive orders, administrative regulations, voter initiatives, and the issuer’s regional economic conditions may affect the municipal security’s value, interest payments, repayment of principal and the underlying fund’s ability to sell it. Failure of a municipal security issuer to comply with applicable tax requirements may make income paid thereon taxable, resulting in a decline in the security’s value.

Non-Diversification Risk. Certain of the underlying funds are non-diversified and can invest a greater portion of their assets in a single issuer. A change in the value of the issuer could affect the value of an underlying fund more than if it was a diversified fund.

Repurchase Agreement Risk. If the seller of a repurchase agreement in which an underlying fund invests defaults on its obligation or declares bankruptcy, the underlying fund may experience delays in selling the securities underlying the repurchase agreement resulting in losses.

Subsidiary Risk. By investing in the Subsidiary, an underlying fund is indirectly exposed to risks associated with the Subsidiary’s investments, including derivatives and commodities. Because the Subsidiary is not registered under the Investment Company Act of 1940, as amended (1940 Act), the underlying fund, as the sole investor in the Subsidiary, will not have the protections offered to investors in U.S. registered investment companies. Changes in the laws of the United States and/or the Cayman Islands, under which the underlying fund and the Subsidiary, respectively, are organized, could result in the inability of the underlying fund and/or the Subsidiary to operate as described in the underlying fund prospectus and the SAI, and could negatively affect the underlying fund and its shareholders.

Tax Risk. Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from commodity-linked notes as qualifying income based on a private letter ruling it has received from the Internal Revenue Service (IRS) holding that the income from a form of commodity-linked note constitutes qualifying income. Additionally, Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from the Subsidiary as qualifying income based on a private letter ruling it has received from the IRS holding that the income of the Subsidiary attributable to Invesco Balanced-Risk Allocation Fund is income derived with respect to Invesco Balanced-Risk Allocation Fund’s business of investing in the stock of the Subsidiary and thus constitutes qualifying income. If, however, the IRS were to change its position with respect to the conclusions reached in these private letter rulings, such that Invesco Balanced-Risk Allocation Fund’s income from the Subsidiary and commodity-linked notes is not “qualifying income,” Invesco Balanced-Risk Allocation Fund may be unable to qualify as a regulated investment company for one or more years. In this event, the Invesco Balanced-Risk Allocation Fund’s Board of Trustees may authorize a significant change in investment strategy or liquidation.

U.S. Government Obligations Risk. Obligations issued by U.S. government agencies and instrumentalities may receive varying levels of support from the government, which could affect an underlying fund’s ability to recover should they default.

Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark, a style specific benchmark and a peer group benchmark comprised of funds with investment objectives and strategies similar to those of the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of its future performance. Updated performance information is available on the Fund’s Web site at www.invesco.com/us.
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Institutional Class Shares year-to-date (ended March 31, 2011): 0.47%

Best Quarter (ended June 30, 2009): 15.78%

Worst Quarter (ended December 31, 2008): (15.38)%

Average Annual Total Returns (for the periods ended December 31, 2010)
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After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangement, such as 401(k) plans or individual retirement accounts.
Invesco Balanced-Risk Retirement 2030 Fund
Fund Summary - INVESCO BALANCED-RISK RETIREMENT 2030 FUND - INSTITUTIONAL
Investment Objective(s)
The Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices,
and as a secondary objective, capital preservation.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.
Shareholder Fees (fees paid directly from your investment)
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Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoBalancedRiskRetirement2030FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015566_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Example.

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.

Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ExpenseExampleInvescoBalancedRiskRetirement2030FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015566_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Portfolio Turnover.
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 32% of the average value of its portfolio.
Principal Investment Strategies of the Fund and the Underlying Funds

The Fund seeks to meet its investment objective by building a portfolio that includes Invesco Balanced-Risk Allocation Fund and two affiliated money market funds, Liquid Assets Portfolio and Premier Portfolio. The Fund will generally rebalance its assets to the Fund’s target allocations on a monthly basis. A list of the underlying funds and their approximate target fund weightings as of April 30, 2011 is set forth below:

Underlying FundsInvesco Balanced-Risk
 Retirement 2030 Fund
Invesco Balanced-Risk Allocation Fund100%
Liquid Assets Portfolio0%
Premier Portfolio0%
Total100%

The Fund’s name indicates the approximate date an investor in the Fund plans to retire and may stop making new investments in the Fund. Consistent with the Fund’s real return and capital preservation objectives, the Fund is designed for investors who expect to need all or most of their money in the Fund at retirement and for investors who plan to withdraw the value of their account in the Fund gradually after retirement. Once the asset allocation of the Fund has become similar to the asset allocation of the Invesco Balanced-Risk Retirement Now Fund, the Board of Trustees may approve combining the Fund with Invesco Balanced-Risk Retirement Now Fund if they determine that such a combination is in the best interests of the Fund’s shareholders. Such a combination will result in the shareholders of the Fund owning shares of Invesco Balanced-Risk Retirement Now Fund rather than the Fund. The Adviser expects such a combination to generally occur during the year of the Fund’s target retirement date.

The following chart displays how the Adviser expects the asset allocation for the Fund to change as its target retirement date approaches. The Fund employs a risk-balanced optimization process which accounts for the flat glide path (the glide path is the rate at which the asset mix changes over time) until approximately 10 years from the target retirement date. The glide path will become more conservative on a quarterly basis approximately 10 years from the target retirement date by gradually reducing the allocation to Invesco Balanced-Risk Allocation Fund and increasing the allocation to money market funds. The actual asset allocations for the Funds may differ from those shown in the chart below.


                                      ABRA        Cash
Risk                                  8.00%      0.60%
                                                          2050 Fund
Years   Quarters   2050 Fund Date   $ Weight   $ Weight     Risk

50.00     200       12/31/2000         100%       0%        8.00%
49.75     199        3/31/2001         100%       0%        8.00%
49.50     198        6/30/2001         100%       0%        8.00%
49.25     197        9/30/2001         100%       0%        8.00%
49.00     196       12/31/2001         100%       0%        8.00%
48.75     195        3/31/2002         100%       0%        8.00%
48.50     194        6/30/2002         100%       0%        8.00%
48.25     193        9/30/2002         100%       0%        8.00%
48.00     192       12/31/2002         100%       0%        8.00%
47.75     191        3/31/2003         100%       0%        8.00%
47.50     190        6/30/2003         100%       0%        8.00%
47.25     189        9/30/2003         100%       0%        8.00%
47.00     188       12/31/2003         100%       0%        8.00%
46.75     187        3/31/2004         100%       0%        8.00%
46.50     186        6/30/2004         100%       0%        8.00%
46.25     185        9/30/2004         100%       0%        8.00%
46.00     184       12/31/2004         100%       0%        8.00%
45.75     183        3/31/2005         100%       0%        8.00%
45.50     182        6/30/2005         100%       0%        8.00%
45.25     181        9/30/2005         100%       0%        8.00%
45.00     180       12/31/2005         100%       0%        8.00%
44.75     179        3/31/2006         100%       0%        8.00%
44.50     178        6/30/2006         100%       0%        8.00%
44.25     177        9/30/2006         100%       0%        8.00%
44.00     176       12/31/2006         100%       0%        8.00%
43.75     175        3/31/2007         100%       0%        8.00%
43.50     174        6/30/2007         100%       0%        8.00%
43.25     173        9/30/2007         100%       0%        8.00%
43.00     172       12/31/2007         100%       0%        8.00%
42.75     171        3/31/2008         100%       0%        8.00%
42.50     170        6/30/2008         100%       0%        8.00%
42.25     169        9/30/2008         100%       0%        8.00%
42.00     168       12/31/2008         100%       0%        8.00%
41.75     167        3/31/2009         100%       0%        8.00%
41.50     166        6/30/2009         100%       0%        8.00%
41.25     165        9/30/2009         100%       0%        8.00%
41.00     164       12/31/2009         100%       0%        8.00%
40.75     163        3/31/2010         100%       0%        8.00%
40.50     162        6/30/2010         100%       0%        8.00%
40.25     161        9/30/2010         100%       0%        8.00%
40.00     160       12/31/2010         100%       0%        8.00%
39.75     159        3/31/2011         100%       0%        8.00%
39.50     158        6/30/2011         100%       0%        8.00%
39.25     157        9/30/2011         100%       0%        8.00%
39.00     156       12/31/2011         100%       0%        8.00%
38.75     155        3/31/2012         100%       0%        8.00%
38.50     154        6/30/2012         100%       0%        8.00%
38.25     153        9/30/2012         100%       0%        8.00%
38.00     152       12/31/2012         100%       0%        8.00%
37.75     151        3/31/2013         100%       0%        8.00%
37.50     150        6/30/2013         100%       0%        8.00%
37.25     149        9/30/2013         100%       0%        8.00%
37.00     148       12/31/2013         100%       0%        8.00%
36.75     147        3/31/2014         100%       0%        8.00%
36.50     146        6/30/2014         100%       0%        8.00%
36.25     145        9/30/2014         100%       0%        8.00%
36.00     144       12/31/2014         100%       0%        8.00%
35.75     143        3/31/2015         100%       0%        8.00%
35.50     142        6/30/2015         100%       0%        8.00%
35.25     141        9/30/2015         100%       0%        8.00%
35.00     140       12/31/2015         100%       0%        8.00%
34.75     139        3/31/2016         100%       0%        8.00%
34.50     138        6/30/2016         100%       0%        8.00%
34.25     137        9/30/2016         100%       0%        8.00%
34.00     136       12/31/2016         100%       0%        8.00%
33.75     135        3/31/2017         100%       0%        8.00%
33.50     134        6/30/2017         100%       0%        8.00%
33.25     133        9/30/2017         100%       0%        8.00%
33.00     132       12/31/2017         100%       0%        8.00%
32.75     131        3/31/2018         100%       0%        8.00%
32.50     130        6/30/2018         100%       0%        8.00%
32.25     129        9/30/2018         100%       0%        8.00%
32.00     128       12/31/2018         100%       0%        8.00%
31.75     127        3/31/2019         100%       0%        8.00%
31.50     126        6/30/2019         100%       0%        8.00%
31.25     125        9/30/2019         100%       0%        8.00%
31.00     124       12/31/2019         100%       0%        8.00%
30.75     123        3/31/2020         100%       0%        8.00%
30.50     122        6/30/2020         100%       0%        8.00%
30.25     121        9/30/2020         100%       0%        8.00%
30.00     120       12/31/2020         100%       0%        8.00%
29.75     119        3/31/2021         100%       0%        8.00%
29.50     118        6/30/2021         100%       0%        8.00%
29.25     117        9/30/2021         100%       0%        8.00%
29.00     116       12/31/2021         100%       0%        8.00%
28.75     115        3/31/2022         100%       0%        8.00%
28.50     114        6/30/2022         100%       0%        8.00%
28.25     113        9/30/2022         100%       0%        8.00%
28.00     112       12/31/2022         100%       0%        8.00%
27.75     111        3/31/2023         100%       0%        8.00%
27.50     110        6/30/2023         100%       0%        8.00%
27.25     109        9/30/2023         100%       0%        8.00%
27.00     108       12/31/2023         100%       0%        8.00%
26.75     107        3/31/2024         100%       0%        8.00%
26.50     106        6/30/2024         100%       0%        8.00%
26.25     105        9/30/2024         100%       0%        8.00%
26.00     104       12/31/2024         100%       0%        8.00%
25.75     103        3/31/2025         100%       0%        8.00%
25.50     102        6/30/2025         100%       0%        8.00%
25.25     101        9/30/2025         100%       0%        8.00%
25.00     100       12/31/2025         100%       0%        8.00%
24.75      99        3/31/2026         100%       0%        8.00%
24.50      98        6/30/2026         100%       0%        8.00%
24.25      97        9/30/2026         100%       0%        8.00%
24.00      96       12/31/2026         100%       0%        8.00%
23.75      95        3/31/2027         100%       0%        8.00%
23.50      94        6/30/2027         100%       0%        8.00%
23.25      93        9/30/2027         100%       0%        8.00%
23.00      92       12/31/2027         100%       0%        8.00%
22.75      91        3/31/2028         100%       0%        8.00%
22.50      90        6/30/2028         100%       0%        8.00%
22.25      89        9/30/2028         100%       0%        8.00%
22.00      88       12/31/2028         100%       0%        8.00%
21.75      87        3/31/2029         100%       0%        8.00%
21.50      86        6/30/2029         100%       0%        8.00%
21.25      85        9/30/2029         100%       0%        8.00%
21.00      84       12/31/2029         100%       0%        8.00%
20.75      83        3/31/2030         100%       0%        8.00%
20.50      82        6/30/2030         100%       0%        8.00%
20.25      81        9/30/2030         100%       0%        8.00%
20.00      80       12/31/2030         100%       0%        8.00%
19.75      79        3/31/2031         100%       0%        8.00%
19.50      78        6/30/2031         100%       0%        8.00%
19.25      77        9/30/2031         100%       0%        8.00%
19.00      76       12/31/2031         100%       0%        8.00%
18.75      75        3/31/2032         100%       0%        8.00%
18.50      74        6/30/2032         100%       0%        8.00%
18.25      73        9/30/2032         100%       0%        8.00%
18.00      72       12/31/2032         100%       0%        8.00%
17.75      71        3/31/2033         100%       0%        8.00%
17.50      70        6/30/2033         100%       0%        8.00%
17.25      69        9/30/2033         100%       0%        8.00%
17.00      68       12/31/2033         100%       0%        8.00%
16.75      67        3/31/2034         100%       0%        8.00%
16.50      66        6/30/2034         100%       0%        8.00%
16.25      65        9/30/2034         100%       0%        8.00%
16.00      64       12/31/2034         100%       0%        8.00%
15.75      63        3/31/2035         100%       0%        8.00%
15.50      62        6/30/2035         100%       0%        8.00%
15.25      61        9/30/2035         100%       0%        8.00%
15.00      60       12/31/2035         100%       0%        8.00%
14.75      59        3/31/2036         100%       0%        8.00%
14.50      58        6/30/2036         100%       0%        8.00%
14.25      57        9/30/2036         100%       0%        8.00%
14.00      56       12/31/2036         100%       0%        8.00%
13.75      55        3/31/2037         100%       0%        8.00%
13.50      54        6/30/2037         100%       0%        8.00%
13.25      53        9/30/2037         100%       0%        8.00%
13.00      52       12/31/2037         100%       0%        8.00%
12.75      51        3/31/2038         100%       0%        8.00%
12.50      50        6/30/2038         100%       0%        8.00%
12.25      49        9/30/2038         100%       0%        8.00%
12.00      48       12/31/2038         100%       0%        8.00%
11.75      47        3/31/2039         100%       0%        8.00%
11.50      46        6/30/2039         100%       0%        8.00%
11.25      45        9/30/2039         100%       0%        8.00%
11.00      44       12/31/2039         100%       0%        8.00%
10.75      43        3/31/2040         100%       0%        8.00%
10.50      42        6/30/2040         100%       0%        8.00%
10.25      41        9/30/2040         100%       0%        8.00%
10.00      40       12/31/2040         100%       0%        8.00%
 9.75      39        3/31/2041          99%       1%        7.92%
 9.50      38        6/30/2041          98%       2%        7.84%
 9.25      37        9/30/2041          97%       3%        7.76%
 9.00      36       12/31/2041          96%       4%        7.68%
 8.75      35        3/31/2042          95%       5%        7.60%
 8.50      34        6/30/2042          94%       6%        7.52%
 8.25      33        9/30/2042          93%       7%        7.44%
 8.00      32       12/31/2042          92%       8%        7.36%
 7.75      31        3/31/2043          91%       9%        7.28%
 7.50      30        6/30/2043          90%      10%        7.20%
 7.25      29        9/30/2043          89%      11%        7.12%
 7.00      28       12/31/2043          88%      12%        7.04%
 6.75      27        3/31/2044          87%      13%        6.96%
 6.50      26        6/30/2044          86%      14%        6.88%
 6.25      25        9/30/2044          85%      15%        6.80%
 6.00      24       12/31/2044          84%      16%        6.72%
 5.75      23        3/31/2045          83%      17%        6.64%
 5.50      22        6/30/2045          82%      18%        6.56%
 5.25      21        9/30/2045          81%      19%        6.48%
 5.00      20       12/31/2045          80%      20%        6.40%
 4.75      19        3/31/2046          79%      21%        6.32%
 4.50      18        6/30/2046          78%      22%        6.24%
 4.25      17        9/30/2046          77%      23%        6.16%
 4.00      16       12/31/2046          76%      24%        6.08%
 3.75      15        3/31/2047          75%      25%        6.00%
 3.50      14        6/30/2047          74%      26%        5.92%
 3.25      13        9/30/2047          73%      27%        5.84%
 3.00      12       12/31/2047          72%      28%        5.76%
 2.75      11        3/31/2048          71%      29%        5.68%
 2.50      10        6/30/2048          70%      30%        5.60%
 2.25       9        9/30/2048          69%      31%        5.52%
 2.00       8       12/31/2048          68%      32%        5.44%
 1.75       7        3/31/2049          67%      33%        5.36%
 1.50       6        6/30/2049          66%      34%        5.28%
 1.25       5        9/30/2049          65%      35%        5.20%
 1.00       4       12/31/2049          64%      36%        5.12%
 0.75       3        3/31/2050          63%      37%        5.04%
 0.50       2        6/30/2050          62%      38%        4.97%
 0.25       1        9/30/2050          61%      39%        4.89%
 0.00       0       12/31/2050          60%      40%        4.81%

The following table lists the expected market exposure through Invesco Balanced-Risk Allocation Fund to equities, commodities and fixed income and through Liquid Assets Portfolio and Premier Portfolio to cash equivalents. The portfolio managers actively adjust portfolio positions in Invesco Balanced-Risk Allocation Fund to minimize loss of capital, to benefit from market opportunities and to reduce excessive volatility. Due to the use of leverage in the underlying fund, Invesco Balanced-Risk Allocation Fund, the percentages may not equal 100%.

  10-50 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities15.80%29.60%62.50%
Commodities13.70%20.80%35.60%
Fixed Income47.80%81.60%136.90%
Cash Equivalents0.00%0.00%0.00%
  5 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities12.60%23.70%50.00%
Commodities11.00%17.40%28.50%
Fixed Income38.30%68.00%109.50%
Cash Equivalents20.00%20.00%20.00%
  At Retirement Date 
  Strategic 
 MinimumAllocationMaximum
Equities9.50%17.80%37.50%
Commodities8.20%13.00%21.40%
Fixed Income28.70%51.00%82.10%
Cash Equivalents40.00%40.00%40.00%

An investment in the Fund is not guaranteed, and you may experience losses, including near to, at, or after the target date. There is no guarantee that the Fund will provide adequate income at or through your retirement.

Investment Objectives and Strategies of the Underlying Funds

Invesco Balanced-Risk Allocation Fund. Invesco Balanced-Risk Allocation Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices. Invesco Balanced-Risk Allocation Fund’s investment objective may be changed by the Board of Trustees without shareholder approval.

Invesco Balanced-Risk Allocation Fund invests, under normal conditions, in derivatives and other financially-linked instruments whose performance is expected to correspond to U.S. and international fixed income, equity and commodity markets. Invesco Balanced-Risk Allocation Fund may invest in derivatives and other financially-linked instruments such as futures, swap agreements, including total return swaps and may also invest in U.S. and foreign government debt securities and other securities such as exchange-traded funds (ETFs) and commodity-linked notes. Invesco Balanced-Risk Allocation Fund’s international investments will generally be in developed countries, but may also include emerging market countries. Invesco Balanced-Risk Allocation Fund’s fixed income investments are generally considered to be investment grade while Invesco Balanced-Risk Allocation Fund’s commodity markets exposure will generally be in the precious metals, agriculture, energy and industrial metals sectors. Invesco Balanced-Risk Allocation Fund will also invest in the Subsidiary and ETFs to gain exposure to commodity markets. The Subsidiary, in turn, will invest in futures, exchange-traded notes (ETNs) and other securities and financially-linked instruments. ETNs are senior, unsecured, unsubordinated debt securities whose returns are linked to the performance of a particular market benchmark or strategy, minus applicable fees. ETNs are traded on an exchange (e.g., the New York Stock Exchange) during normal trading hours; however, investors can also hold the ETN until maturity. Invesco Balanced-Risk Allocation Fund will generally maintain 60% of its total assets in cash and cash equivalent instruments including affiliated money market funds. Some of the cash holdings will serve as margin or collateral for the Fund’s obligations under derivative transactions. Invesco Balanced-Risk Allocation Fund’s investments in certain derivatives may create significant leveraged exposure to certain equity, fixed income and commodity markets. Leverage occurs when the investments in derivatives create greater economic exposure than the amount invested. This means that Invesco Balanced-Risk Allocation Fund could lose more than originally invested in the derivative.

The Subsidiary is advised by Invesco and has the same investment objective as Invesco Balanced-Risk Allocation Fund and generally employs the same investment strategy but limits its investments to commodity derivatives, ETNs, cash and cash equivalent instruments, including affiliated money market funds.

The Subsidiary, unlike Invesco Balanced-Risk Allocation Fund, may invest without limitation in commodities, commodity-linked derivatives and other securities, such as ETNs, that may provide leveraged and non-leveraged exposure to commodity markets. The Subsidiary also may hold cash and invest in cash equivalent instruments, including affiliated money market funds, some of which may serve as margin or collateral for the Subsidiary’s derivative positions. The Fund may invest up to 25% of its total assets in the Subsidiary. Invesco Balanced-Risk Allocation Fund will be subject to the risks associated with any investment by the Subsidiary to the extent of Invesco Balanced-Risk Allocation Fund’s investment in the Subsidiary.

Invesco Balanced-Risk Allocation Fund is non-diversified, which means that it can invest a greater percentage of its assets in any one issuer than a diversified fund can.

Relative to traditional balanced portfolios, Invesco Balanced-Risk Allocation Fund will seek to provide greater capital loss protection during down markets. The portfolio’s management team will accomplish this through a three-step investment process.

The first step involves asset selection. The management team selects representative assets to gain exposure to equity, fixed income and commodity markets. The selection process (1) evaluates a particular asset’s theoretical case for long-term excess returns relative to cash; (2) screens the identified assets to meet minimum liquidity criteria; and (3) reviews the expected correlation among the assets and the expected risk for each asset to determine whether the selected assets are likely to improve the expected risk adjusted return of Invesco Balanced-Risk Allocation Fund.

The second step involves portfolio construction. Proprietary estimates for risk and correlation are used by the management team to create a portfolio. The team re-estimates the risk contributed by each asset and re-optimizes the portfolio periodically or when new assets are introduced to Invesco Balanced-Risk Allocation Fund.

The final step involves active positioning. The management team actively adjusts portfolio positions to reflect the near-term market environment, while remaining consistent with the optimized long-term portfolio structure described in step two above. The management team balances these two competing ideas—opportunity for excess return from active positioning and the need to maintain asset class exposure set forth in the optimized portfolio structure—by setting controlled tactical ranges around the long-term asset allocation. The resulting asset allocation is then implemented by investing in derivatives, other financially-linked instruments, U.S. and foreign government debt securities, other securities, cash and cash equivalent instruments, including affiliated money market funds. By using derivatives, Invesco Balanced-Risk Allocation Fund is able to gain greater exposure to assets within each class than would be possible using cash instruments, and thus seeks to balance the amount of risk each asset class contributes to the portfolio.

Liquid Assets Portfolio. Liquid Assets Portfolio’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital and liquidity. Liquid Assets Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Liquid Assets Portfolio invests in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. or foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Liquid Assets Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Liquid Assets Portfolio invests in conformity with Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Liquid Assets Portfolio maintains a dollar-weighted average portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Liquid Assets Portfolio may invest up to 50% of its total assets in U.S. dollar-denominated foreign securities. Liquid Assets Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Liquid Assets Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Liquid Assets Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. The portfolio manager may invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a particular security when they deem it advisable, such as when market or credit factors materially change.

Premier Portfolio. Premier Portfolio’s investment objective is a high level of current income consistent with the preservation of capital and the maintenance of liquidity. Premier Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Premier Portfolio invests primarily in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. and foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Premier Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Premier Portfolio invests in conformity with the Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Premier Portfolio maintains a dollar-weighted portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Premier Portfolio invests from time to time in U.S. dollar-denominated foreign securities. Premier Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Premier Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Premier Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. Premier Portfolio may also invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a security when they deem it advisable, such as when market or credit factors materially change.

Principal Risks of Investing in the Fund and the Underlying Funds

As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. Because the Fund is a fund of funds, the Fund is subject to the risks associated with the underlying funds in which it invests. The principal risks of investing in the Fund and the underlying funds are:

Active Trading Risk. Certain underlying funds engage in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability.

Commodity-Linked Notes Risk. An underlying fund’s investments in commodity-linked notes may involve substantial risks, including risk of loss of a significant portion of their principal value. In addition to risks associated with the underlying commodities, they may be subject to additional special risks, such as the lack of a secondary trading market and temporary price distortions due to speculators and/or the continuous rolling over of futures contracts underlying the notes. Commodity-linked notes are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Commodity Risk. Certain of the underlying funds will invest in commodities through a wholly-owned subsidiary of that underlying fund organized under the laws of the Cayman Islands (the Subsidiary). Investment exposure to the commodities markets and/or a particular sector of the commodities markets, may subject the underlying fund and the Subsidiary to greater volatility than investments in traditional securities, such as stocks and bonds. The commodities markets may fluctuate widely based on a variety of factors, including changes in overall market movements, domestic and foreign political and economic events and policies, war, acts of terrorism, changes in domestic or foreign interest rates and/or investor expectations concerning interest rates, domestic and foreign inflation rates and investment and trading activities of mutual funds, hedge funds and commodities funds. Prices of various commodities may also be affected by factors such as drought, floods, weather, livestock disease, embargoes, tariffs and other regulatory developments. The prices of commodities can also fluctuate widely due to supply and demand disruptions in major producing or consuming regions. Because certain of the underlying fund’s and the Subsidiary’s performance is linked to the performance of potentially volatile commodities, investors should be willing to assume the risks of potentially significant fluctuations in the value of the underlying fund’s shares.

Concentration Risk. To the extent an underlying fund invests a greater amount in any one sector or industry, an underlying fund’s performance will depend to a greater extent on the overall condition of the sector or industry, and there is increased risk to an underlying fund if conditions adversely affect that sector or industry.

Counterparty Risk. Many of the instruments that an underlying fund expects to hold may be subject to the risk that the other party to a contract will not fulfill its contractual obligations.

Credit Risk. The issuer of instruments in which an underlying fund invests may be unable to meet interest and/or principal payments, thereby causing its instruments to decrease in value and lowering the issuer’s credit rating.

Currency/Exchange Rate Risk. The dollar value of an underlying fund’s foreign investments will be affected by changes in the exchange rates between the dollar and the currencies in which those investments are traded.

Derivatives Risk. Derivatives may be more difficult to purchase, sell or value than other investments and may be subject to market, interest rate, credit, leverage, counterparty and management risks. An underlying fund investing in a derivative could lose more than the cash amount invested or incur higher taxes. Over-the-counter derivatives are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Developing Markets Securities Risk. Securities issued by foreign companies and governments located in developing countries may be affected more negatively by inflation, devaluation of their currencies, higher transaction costs, delays in settlement, adverse political developments, the introduction of capital controls, withholding taxes, nationalization of private assets, expropriation, social unrest, war or lack of timely information than those in developed countries.

Exchange-Traded Funds Risk. An investment by the Fund or underlying fund in ETFs generally presents the same primary risks as an investment in a mutual fund. In addition, an ETF may be subject to the following: (1) a discount of the ETF’s shares to its net asset value; (2) failure to develop an active trading market for the ETF’s shares; (3) the listing exchange halting trading of the ETF’s shares; (4) failure of the ETF’s shares to track the referenced index; and (5) holding troubled securities in the referenced index. ETFs may involve duplication of management fees and certain other expenses, as the Fund or underlying fund indirectly bears its proportionate share of any expenses paid by the ETFs in which it invests. Further, certain of the ETFs in which the Fund or underlying fund may invest are leveraged. The more the Fund or underlying fund invests in such leveraged ETFs, the more this leverage will magnify any losses on those investments.

Exchange-Traded Notes Risk. Exchange-Traded Notes (ETNs) are subject to credit risk, including the credit risk of the issuer, and the value of the ETN may drop due to a downgrade in the issuer’s credit rating, despite the underlying market benchmark or strategy remaining unchanged. The value of an ETN may also be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in underlying assets, changes in the applicable interest rates, changes in the issuer’s credit rating, and economic, legal, political, or geographic events that affect the referenced underlying asset.

Foreign Securities Risk. An underlying fund’s foreign investments may be affected by changes in a foreign country’s exchange rates; political and social instability; changes in economic or taxation policies; difficulties when enforcing obligations; decreased liquidity; and increased volatility. Foreign companies may be subject to less regulation resulting in less publicly available information about the companies.

Fund of Funds Risk. The Fund’s performance depends on the underlying funds in which it invests, and it is subject to the risks of the underlying funds. Market fluctuations may change the target weightings in the underlying funds. The underlying funds may change their investment objectives, policies or practices and may not achieve their investment objectives, all of which may cause the Fund to withdraw its investments therein at a disadvantageous time.

Interest Rate Risk. Interest rate risk refers to the risk that bond prices generally fall as interest rates rise; conversely, bond prices generally rise as interest rates fall. Specific bonds differ in their sensitivity to changes in interest rates depending on their individual characteristics, including duration.

Leverage Risk. Leverage exists when an underlying fund purchases or sells an instrument or enters into a transaction without investing cash in an amount equal to the full economic exposure of the instrument or transaction and the underlying fund could lose more than it invested. Leverage created from borrowing or certain types of transactions or instruments, including derivatives, may impair an underlying fund’s liquidity, cause it to liquidate positions at an unfavorable time, increase volatility or otherwise not achieve its intended objective.

Liquidity Risk. An underlying fund may hold illiquid securities that it is unable to sell at the preferred time or price and could lose its entire investment in such securities.

Management Risk. The investment techniques and risk analysis used by the Fund’s and the underlying funds’ portfolio managers may not produce the desired results.

Market Risk. The prices of and the income generated by the underlying funds’ securities may decline in response to, among other things, investor sentiment; general economic and market conditions; regional or global instability; and currency and interest rate fluctuations.

Non-Diversification Risk. Certain of the underlying funds are non-diversified and can invest a greater portion of their assets in a single issuer. A change in the value of the issuer could affect the value of an underlying fund more than if it was a diversified fund.

Subsidiary Risk. By investing in the Subsidiary, an underlying fund is indirectly exposed to risks associated with the Subsidiary’s investments, including derivatives and commodities. Because the Subsidiary is not registered under the Investment Company Act of 1940, as amended (1940 Act), the underlying fund, as the sole investor in the Subsidiary, will not have the protections offered to investors in U.S. registered investment companies. Changes in the laws of the United States and/or the Cayman Islands, under which the underlying fund and the Subsidiary, respectively, are organized, could result in the inability of the underlying fund and/or the Subsidiary to operate as described in the underlying fund prospectus and the SAI, and could negatively affect the underlying fund and its shareholders.

Tax Risk. Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from commodity-linked notes as qualifying income based on a private letter ruling it has received from the Internal Revenue Service (IRS) holding that the income from a form of commodity-linked note constitutes qualifying income. Additionally, Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from the Subsidiary as qualifying income based on a private letter ruling it has received from the IRS holding that the income of the Subsidiary attributable to Invesco Balanced-Risk Allocation Fund is income derived with respect to Invesco Balanced-Risk Allocation Fund’s business of investing in the stock of the Subsidiary and thus constitutes qualifying income. If, however, the IRS were to change its position with respect to the conclusions reached in these private letter rulings, such that Invesco Balanced-Risk Allocation Fund’s income from the Subsidiary and commodity-linked notes is not “qualifying income,” Invesco Balanced-Risk Allocation Fund may be unable to qualify as a regulated investment company for one or more years. In this event, the Invesco Balanced-Risk Allocation Fund’s Board of Trustees may authorize a significant change in investment strategy or liquidation.

Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark, a style specific benchmark and a peer group benchmark comprised of funds with investment objectives and strategies similar to those of the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of its future performance. Updated performance information is available on the Fund’s Web site at www.invesco.com/us.
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Institutional Class Shares year-to-date (ended March 31, 2011): 0.49%

Best Quarter (ended June 30, 2009): 20.31%

Worst Quarter (ended December 31, 2008): (19.57)%

Average Annual Total Returns (for the periods ended December 31, 2010)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AverageAnnualTotalReturnsInvescoBalancedRiskRetirement2030FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015566_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangement, such as 401(k) plans or individual retirement accounts.
Invesco Balanced-Risk Retirement 2040 Fund
Fund Summary - INVESCO BALANCED-RISK RETIREMENT 2040 FUND - INSTITUTIONAL
Investment Objective(s)
The Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices,
and as a secondary objective, capital preservation.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. [1]
Shareholder Fees (fees paid directly from your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ShareholderFeesInvescoBalancedRiskRetirement2040FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015567_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoBalancedRiskRetirement2040FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015567_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Example.
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.

Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ExpenseExampleInvescoBalancedRiskRetirement2040FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015567_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Portfolio Turnover.
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 26% of the average value of its portfolio.
Principal Investment Strategies of the Fund and the Underlying Funds

The Fund seeks to meet its investment objective by building a portfolio that includes Invesco Balanced-Risk Allocation Fund and two affiliated money market funds, Liquid Assets Portfolio and Premier Portfolio. The Fund will generally rebalance its assets to the Fund’s target allocations on a monthly basis. A list of the underlying funds and their approximate target fund weightings as of April 30, 2011 is set forth below:

Underlying FundsInvesco Balanced-Risk
 Retirement 2040 Fund
Invesco Balanced-Risk Allocation Fund100%
Liquid Assets Portfolio0%
Premier Portfolio0%
Total100%

The Fund’s name indicates the approximate date an investor in the Fund plans to retire and may stop making new investments in the Fund. Consistent with the Fund’s real return and capital preservation objectives, the Fund is designed for investors who expect to need all or most of their money in the Fund at retirement and for investors who plan to withdraw the value of their account in the Fund gradually after retirement. Once the asset allocation of the Fund has become similar to the asset allocation of the Invesco Balanced-Risk Retirement Now Fund, the Board of Trustees may approve combining the Fund with Invesco Balanced-Risk Retirement Now Fund if they determine that such a combination is in the best interests of the Fund’s shareholders. Such a combination will result in the shareholders of the Fund owning shares of Invesco Balanced-Risk Retirement Now Fund rather than the Fund. The Adviser expects such a combination to generally occur during the year of the Fund’s target retirement date.

The following chart displays how the Adviser expects the asset allocation for the Fund to change as its target retirement date approaches. The Fund employs a risk-balanced optimization process which accounts for the flat glide path (the glide path is the rate at which the asset mix changes over time) until approximately 10 years from the target retirement date. The glide path will become more conservative on a quarterly basis approximately 10 years from the target retirement date by gradually reducing the allocation to Invesco Balanced-Risk Allocation Fund and increasing the allocation to money market funds. The actual asset allocations for the Funds may differ from those shown in the chart below.


                                      ABRA        Cash
Risk                                  8.00%      0.60%
                                                          2050 Fund
Years   Quarters   2050 Fund Date   $ Weight   $ Weight     Risk

50.00     200       12/31/2000         100%       0%        8.00%
49.75     199        3/31/2001         100%       0%        8.00%
49.50     198        6/30/2001         100%       0%        8.00%
49.25     197        9/30/2001         100%       0%        8.00%
49.00     196       12/31/2001         100%       0%        8.00%
48.75     195        3/31/2002         100%       0%        8.00%
48.50     194        6/30/2002         100%       0%        8.00%
48.25     193        9/30/2002         100%       0%        8.00%
48.00     192       12/31/2002         100%       0%        8.00%
47.75     191        3/31/2003         100%       0%        8.00%
47.50     190        6/30/2003         100%       0%        8.00%
47.25     189        9/30/2003         100%       0%        8.00%
47.00     188       12/31/2003         100%       0%        8.00%
46.75     187        3/31/2004         100%       0%        8.00%
46.50     186        6/30/2004         100%       0%        8.00%
46.25     185        9/30/2004         100%       0%        8.00%
46.00     184       12/31/2004         100%       0%        8.00%
45.75     183        3/31/2005         100%       0%        8.00%
45.50     182        6/30/2005         100%       0%        8.00%
45.25     181        9/30/2005         100%       0%        8.00%
45.00     180       12/31/2005         100%       0%        8.00%
44.75     179        3/31/2006         100%       0%        8.00%
44.50     178        6/30/2006         100%       0%        8.00%
44.25     177        9/30/2006         100%       0%        8.00%
44.00     176       12/31/2006         100%       0%        8.00%
43.75     175        3/31/2007         100%       0%        8.00%
43.50     174        6/30/2007         100%       0%        8.00%
43.25     173        9/30/2007         100%       0%        8.00%
43.00     172       12/31/2007         100%       0%        8.00%
42.75     171        3/31/2008         100%       0%        8.00%
42.50     170        6/30/2008         100%       0%        8.00%
42.25     169        9/30/2008         100%       0%        8.00%
42.00     168       12/31/2008         100%       0%        8.00%
41.75     167        3/31/2009         100%       0%        8.00%
41.50     166        6/30/2009         100%       0%        8.00%
41.25     165        9/30/2009         100%       0%        8.00%
41.00     164       12/31/2009         100%       0%        8.00%
40.75     163        3/31/2010         100%       0%        8.00%
40.50     162        6/30/2010         100%       0%        8.00%
40.25     161        9/30/2010         100%       0%        8.00%
40.00     160       12/31/2010         100%       0%        8.00%
39.75     159        3/31/2011         100%       0%        8.00%
39.50     158        6/30/2011         100%       0%        8.00%
39.25     157        9/30/2011         100%       0%        8.00%
39.00     156       12/31/2011         100%       0%        8.00%
38.75     155        3/31/2012         100%       0%        8.00%
38.50     154        6/30/2012         100%       0%        8.00%
38.25     153        9/30/2012         100%       0%        8.00%
38.00     152       12/31/2012         100%       0%        8.00%
37.75     151        3/31/2013         100%       0%        8.00%
37.50     150        6/30/2013         100%       0%        8.00%
37.25     149        9/30/2013         100%       0%        8.00%
37.00     148       12/31/2013         100%       0%        8.00%
36.75     147        3/31/2014         100%       0%        8.00%
36.50     146        6/30/2014         100%       0%        8.00%
36.25     145        9/30/2014         100%       0%        8.00%
36.00     144       12/31/2014         100%       0%        8.00%
35.75     143        3/31/2015         100%       0%        8.00%
35.50     142        6/30/2015         100%       0%        8.00%
35.25     141        9/30/2015         100%       0%        8.00%
35.00     140       12/31/2015         100%       0%        8.00%
34.75     139        3/31/2016         100%       0%        8.00%
34.50     138        6/30/2016         100%       0%        8.00%
34.25     137        9/30/2016         100%       0%        8.00%
34.00     136       12/31/2016         100%       0%        8.00%
33.75     135        3/31/2017         100%       0%        8.00%
33.50     134        6/30/2017         100%       0%        8.00%
33.25     133        9/30/2017         100%       0%        8.00%
33.00     132       12/31/2017         100%       0%        8.00%
32.75     131        3/31/2018         100%       0%        8.00%
32.50     130        6/30/2018         100%       0%        8.00%
32.25     129        9/30/2018         100%       0%        8.00%
32.00     128       12/31/2018         100%       0%        8.00%
31.75     127        3/31/2019         100%       0%        8.00%
31.50     126        6/30/2019         100%       0%        8.00%
31.25     125        9/30/2019         100%       0%        8.00%
31.00     124       12/31/2019         100%       0%        8.00%
30.75     123        3/31/2020         100%       0%        8.00%
30.50     122        6/30/2020         100%       0%        8.00%
30.25     121        9/30/2020         100%       0%        8.00%
30.00     120       12/31/2020         100%       0%        8.00%
29.75     119        3/31/2021         100%       0%        8.00%
29.50     118        6/30/2021         100%       0%        8.00%
29.25     117        9/30/2021         100%       0%        8.00%
29.00     116       12/31/2021         100%       0%        8.00%
28.75     115        3/31/2022         100%       0%        8.00%
28.50     114        6/30/2022         100%       0%        8.00%
28.25     113        9/30/2022         100%       0%        8.00%
28.00     112       12/31/2022         100%       0%        8.00%
27.75     111        3/31/2023         100%       0%        8.00%
27.50     110        6/30/2023         100%       0%        8.00%
27.25     109        9/30/2023         100%       0%        8.00%
27.00     108       12/31/2023         100%       0%        8.00%
26.75     107        3/31/2024         100%       0%        8.00%
26.50     106        6/30/2024         100%       0%        8.00%
26.25     105        9/30/2024         100%       0%        8.00%
26.00     104       12/31/2024         100%       0%        8.00%
25.75     103        3/31/2025         100%       0%        8.00%
25.50     102        6/30/2025         100%       0%        8.00%
25.25     101        9/30/2025         100%       0%        8.00%
25.00     100       12/31/2025         100%       0%        8.00%
24.75      99        3/31/2026         100%       0%        8.00%
24.50      98        6/30/2026         100%       0%        8.00%
24.25      97        9/30/2026         100%       0%        8.00%
24.00      96       12/31/2026         100%       0%        8.00%
23.75      95        3/31/2027         100%       0%        8.00%
23.50      94        6/30/2027         100%       0%        8.00%
23.25      93        9/30/2027         100%       0%        8.00%
23.00      92       12/31/2027         100%       0%        8.00%
22.75      91        3/31/2028         100%       0%        8.00%
22.50      90        6/30/2028         100%       0%        8.00%
22.25      89        9/30/2028         100%       0%        8.00%
22.00      88       12/31/2028         100%       0%        8.00%
21.75      87        3/31/2029         100%       0%        8.00%
21.50      86        6/30/2029         100%       0%        8.00%
21.25      85        9/30/2029         100%       0%        8.00%
21.00      84       12/31/2029         100%       0%        8.00%
20.75      83        3/31/2030         100%       0%        8.00%
20.50      82        6/30/2030         100%       0%        8.00%
20.25      81        9/30/2030         100%       0%        8.00%
20.00      80       12/31/2030         100%       0%        8.00%
19.75      79        3/31/2031         100%       0%        8.00%
19.50      78        6/30/2031         100%       0%        8.00%
19.25      77        9/30/2031         100%       0%        8.00%
19.00      76       12/31/2031         100%       0%        8.00%
18.75      75        3/31/2032         100%       0%        8.00%
18.50      74        6/30/2032         100%       0%        8.00%
18.25      73        9/30/2032         100%       0%        8.00%
18.00      72       12/31/2032         100%       0%        8.00%
17.75      71        3/31/2033         100%       0%        8.00%
17.50      70        6/30/2033         100%       0%        8.00%
17.25      69        9/30/2033         100%       0%        8.00%
17.00      68       12/31/2033         100%       0%        8.00%
16.75      67        3/31/2034         100%       0%        8.00%
16.50      66        6/30/2034         100%       0%        8.00%
16.25      65        9/30/2034         100%       0%        8.00%
16.00      64       12/31/2034         100%       0%        8.00%
15.75      63        3/31/2035         100%       0%        8.00%
15.50      62        6/30/2035         100%       0%        8.00%
15.25      61        9/30/2035         100%       0%        8.00%
15.00      60       12/31/2035         100%       0%        8.00%
14.75      59        3/31/2036         100%       0%        8.00%
14.50      58        6/30/2036         100%       0%        8.00%
14.25      57        9/30/2036         100%       0%        8.00%
14.00      56       12/31/2036         100%       0%        8.00%
13.75      55        3/31/2037         100%       0%        8.00%
13.50      54        6/30/2037         100%       0%        8.00%
13.25      53        9/30/2037         100%       0%        8.00%
13.00      52       12/31/2037         100%       0%        8.00%
12.75      51        3/31/2038         100%       0%        8.00%
12.50      50        6/30/2038         100%       0%        8.00%
12.25      49        9/30/2038         100%       0%        8.00%
12.00      48       12/31/2038         100%       0%        8.00%
11.75      47        3/31/2039         100%       0%        8.00%
11.50      46        6/30/2039         100%       0%        8.00%
11.25      45        9/30/2039         100%       0%        8.00%
11.00      44       12/31/2039         100%       0%        8.00%
10.75      43        3/31/2040         100%       0%        8.00%
10.50      42        6/30/2040         100%       0%        8.00%
10.25      41        9/30/2040         100%       0%        8.00%
10.00      40       12/31/2040         100%       0%        8.00%
 9.75      39        3/31/2041          99%       1%        7.92%
 9.50      38        6/30/2041          98%       2%        7.84%
 9.25      37        9/30/2041          97%       3%        7.76%
 9.00      36       12/31/2041          96%       4%        7.68%
 8.75      35        3/31/2042          95%       5%        7.60%
 8.50      34        6/30/2042          94%       6%        7.52%
 8.25      33        9/30/2042          93%       7%        7.44%
 8.00      32       12/31/2042          92%       8%        7.36%
 7.75      31        3/31/2043          91%       9%        7.28%
 7.50      30        6/30/2043          90%      10%        7.20%
 7.25      29        9/30/2043          89%      11%        7.12%
 7.00      28       12/31/2043          88%      12%        7.04%
 6.75      27        3/31/2044          87%      13%        6.96%
 6.50      26        6/30/2044          86%      14%        6.88%
 6.25      25        9/30/2044          85%      15%        6.80%
 6.00      24       12/31/2044          84%      16%        6.72%
 5.75      23        3/31/2045          83%      17%        6.64%
 5.50      22        6/30/2045          82%      18%        6.56%
 5.25      21        9/30/2045          81%      19%        6.48%
 5.00      20       12/31/2045          80%      20%        6.40%
 4.75      19        3/31/2046          79%      21%        6.32%
 4.50      18        6/30/2046          78%      22%        6.24%
 4.25      17        9/30/2046          77%      23%        6.16%
 4.00      16       12/31/2046          76%      24%        6.08%
 3.75      15        3/31/2047          75%      25%        6.00%
 3.50      14        6/30/2047          74%      26%        5.92%
 3.25      13        9/30/2047          73%      27%        5.84%
 3.00      12       12/31/2047          72%      28%        5.76%
 2.75      11        3/31/2048          71%      29%        5.68%
 2.50      10        6/30/2048          70%      30%        5.60%
 2.25       9        9/30/2048          69%      31%        5.52%
 2.00       8       12/31/2048          68%      32%        5.44%
 1.75       7        3/31/2049          67%      33%        5.36%
 1.50       6        6/30/2049          66%      34%        5.28%
 1.25       5        9/30/2049          65%      35%        5.20%
 1.00       4       12/31/2049          64%      36%        5.12%
 0.75       3        3/31/2050          63%      37%        5.04%
 0.50       2        6/30/2050          62%      38%        4.97%
 0.25       1        9/30/2050          61%      39%        4.89%
 0.00       0       12/31/2050          60%      40%        4.81%

The following table lists the expected market exposure through Invesco Balanced-Risk Allocation Fund to equities, commodities and fixed income and through Liquid Assets Portfolio and Premier Portfolio to cash equivalents. The portfolio managers actively adjust portfolio positions in Invesco Balanced-Risk Allocation Fund to minimize loss of capital, to benefit from market opportunities and to reduce excessive volatility. Due to the use of leverage in the underlying fund, Invesco Balanced-Risk Allocation Fund, the percentages may not equal 100%.

  10-50 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
    
Equities15.80%29.60%62.50%
Commodities13.70%20.80%35.60%
Fixed Income47.80%81.60%136.90%
Cash Equivalents0.00%0.00%0.00%
  5 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities12.60%23.70%50.00%
Commodities11.00%17.40%28.50%
Fixed Income38.30%68.00%109.50%
Cash Equivalents20.00%20.00%20.00%
  At Retirement Date 
  Strategic 
 MinimumAllocationMaximum
Equities9.50%17.80%37.50%
Commodities8.20%13.00%21.40%
Fixed Income28.70%51.00%82.10%
Cash Equivalents40.00%40.00%40.00%

An investment in the Fund is not guaranteed, and you may experience losses, including near to, at, or after the target date. There is no guarantee that the Fund will provide adequate income at or through your retirement.

Investment Objectives and Strategies of the Underlying Funds

Invesco Balanced-Risk Allocation Fund. Invesco Balanced-Risk Allocation Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices. Invesco Balanced-Risk Allocation Fund’s investment objective may be changed by the Board of Trustees without shareholder approval.

Invesco Balanced-Risk Allocation Fund invests, under normal conditions, in derivatives and other financially-linked instruments whose performance is expected to correspond to U.S. and international fixed income, equity and commodity markets. Invesco Balanced-Risk Allocation Fund may invest in derivatives and other financially-linked instruments such as futures, swap agreements, including total return swaps and may also invest in U.S. and foreign government debt securities and other securities such as exchange-traded funds (ETFs) and commodity-linked notes. Invesco Balanced-Risk Allocation Fund’s international investments will generally be in developed countries, but may also include emerging market countries. Invesco Balanced-Risk Allocation Fund’s fixed income investments are generally considered to be investment grade while Invesco Balanced-Risk Allocation Fund’s commodity markets exposure will generally be in the precious metals, agriculture, energy and industrial metals sectors. Invesco Balanced-Risk Allocation Fund will also invest in the Subsidiary and ETFs to gain exposure to commodity markets. The Subsidiary, in turn, will invest in futures, exchange-traded notes (ETNs) and other securities and financially-linked instruments. ETNs are senior, unsecured, unsubordinated debt securities whose returns are linked to the performance of a particular market benchmark or strategy, minus applicable fees. ETNs are traded on an exchange (e.g., the New York Stock Exchange) during normal trading hours; however, investors can also hold the ETN until maturity. Invesco Balanced-Risk Allocation Fund will generally maintain 60% of its total assets in cash and cash equivalent instruments including affiliated money market funds. Some of the cash holdings will serve as margin or collateral for the Fund’s obligations under derivative transactions. Invesco Balanced-Risk Allocation Fund’s investments in certain derivatives may create significant leveraged exposure to certain equity, fixed income and commodity markets. Leverage occurs when the investments in derivatives create greater economic exposure than the amount invested. This means that Invesco Balanced-Risk Allocation Fund could lose more than originally invested in the derivative.

The Subsidiary is advised by Invesco and has the same investment objective as Invesco Balanced-Risk Allocation Fund and generally employs the same investment strategy but limits its investments to commodity derivatives, ETNs, cash and cash equivalent instruments, including affiliated money market funds.

The Subsidiary, unlike Invesco Balanced-Risk Allocation Fund, may invest without limitation in commodities, commodity-linked derivatives and other securities, such as ETNs, that may provide leveraged and non-leveraged exposure to commodity markets. The Subsidiary also may hold cash and invest in cash equivalent instruments, including affiliated money market funds, some of which may serve as margin or collateral for the Subsidiary’s derivative positions. The Fund may invest up to 25% of its total assets in the Subsidiary. Invesco Balanced-Risk Allocation Fund will be subject to the risks associated with any investment by the Subsidiary to the extent of Invesco Balanced-Risk Allocation Fund’s investment in the Subsidiary.

Invesco Balanced-Risk Allocation Fund is non-diversified, which means that it can invest a greater percentage of its assets in any one issuer than a diversified fund can.

Relative to traditional balanced portfolios, Invesco Balanced-Risk Allocation Fund will seek to provide greater capital loss protection during down markets. The portfolio’s management team will accomplish this through a three-step investment process.

The first step involves asset selection. The management team selects representative assets to gain exposure to equity, fixed income and commodity markets. The selection process (1) evaluates a particular asset’s theoretical case for long-term excess returns relative to cash; (2) screens the identified assets to meet minimum liquidity criteria; and (3) reviews the expected correlation among the assets and the expected risk for each asset to determine whether the selected assets are likely to improve the expected risk adjusted return of Invesco Balanced-Risk Allocation Fund.

The second step involves portfolio construction. Proprietary estimates for risk and correlation are used by the management team to create a portfolio. The team re-estimates the risk contributed by each asset and re-optimizes the portfolio periodically or when new assets are introduced to Invesco Balanced-Risk Allocation Fund.

The final step involves active positioning. The management team actively adjusts portfolio positions to reflect the near-term market environment, while remaining consistent with the optimized long-term portfolio structure described in step two above. The management team balances these two competing ideas—opportunity for excess return from active positioning and the need to maintain asset class exposure set forth in the optimized portfolio structure—by setting controlled tactical ranges around the long-term asset allocation. The resulting asset allocation is then implemented by investing in derivatives, other financially-linked instruments, U.S. and foreign government debt securities, other securities, cash and cash equivalent instruments, including affiliated money market funds. By using derivatives, Invesco Balanced-Risk Allocation Fund is able to gain greater exposure to assets within each class than would be possible using cash instruments, and thus seeks to balance the amount of risk each asset class contributes to the portfolio.

Liquid Assets Portfolio. Liquid Assets Portfolio’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital and liquidity. Liquid Assets Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Liquid Assets Portfolio invests in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. or foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Liquid Assets Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Liquid Assets Portfolio invests in conformity with Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Liquid Assets Portfolio maintains a dollar-weighted average portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Liquid Assets Portfolio may invest up to 50% of its total assets in U.S. dollar-denominated foreign securities. Liquid Assets Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Liquid Assets Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Liquid Assets Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. The portfolio manager may invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a particular security when they deem it advisable, such as when market or credit factors materially change.

Premier Portfolio. Premier Portfolio’s investment objective is a high level of current income consistent with the preservation of capital and the maintenance of liquidity. Premier Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Premier Portfolio invests primarily in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. and foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Premier Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Premier Portfolio invests in conformity with the Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Premier Portfolio maintains a dollar-weighted portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Premier Portfolio invests from time to time in U.S. dollar-denominated foreign securities. Premier Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Premier Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Premier Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. Premier Portfolio may also invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a security when they deem it advisable, such as when market or credit factors materially change.

Principal Risks of Investing in the Fund and the Underlying Funds

As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. Because the Fund is a fund of funds, the Fund is subject to the risks associated with the underlying funds in which it invests. The principal risks of investing in the Fund and the underlying funds are:

Active Trading Risk. Certain underlying funds engage in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability.

Commodity-Linked Notes Risk. An underlying fund’s investments in commodity-linked notes may involve substantial risks, including risk of loss of a significant portion of their principal value. In addition to risks associated with the underlying commodities, they may be subject to additional special risks, such as the lack of a secondary trading market and temporary price distortions due to speculators and/or the continuous rolling over of futures contracts underlying the notes. Commodity-linked notes are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Commodity Risk. Certain of the underlying funds will invest in commodities through a wholly-owned subsidiary of that underlying fund organized under the laws of the Cayman Islands (the Subsidiary). Investment exposure to the commodities markets and/or a particular sector of the commodities markets, may subject the underlying fund and the Subsidiary to greater volatility than investments in traditional securities, such as stocks and bonds. The commodities markets may fluctuate widely based on a variety of factors, including changes in overall market movements, domestic and foreign political and economic events and policies, war, acts of terrorism, changes in domestic or foreign interest rates and/or investor expectations concerning interest rates, domestic and foreign inflation rates and investment and trading activities of mutual funds, hedge funds and commodities funds. Prices of various commodities may also be affected by factors such as drought, floods, weather, livestock disease, embargoes, tariffs and other regulatory developments. The prices of commodities can also fluctuate widely due to supply and demand disruptions in major producing or consuming regions. Because certain of the underlying fund’s and the Subsidiary’s performance is linked to the performance of potentially volatile commodities, investors should be willing to assume the risks of potentially significant fluctuations in the value of the underlying fund’s shares.

Concentration Risk. To the extent an underlying fund invests a greater amount in any one sector or industry, an underlying fund’s performance will depend to a greater extent on the overall condition of the sector or industry, and there is increased risk to an underlying fund if conditions adversely affect that sector or industry.

Counterparty Risk. Many of the instruments that an underlying fund expects to hold may be subject to the risk that the other party to a contract will not fulfill its contractual obligations.

Credit Risk. The issuer of instruments in which an underlying fund invests may be unable to meet interest and/or principal payments, thereby causing its instruments to decrease in value and lowering the issuer’s credit rating.

Currency/Exchange Rate Risk. The dollar value of an underlying fund’s foreign investments will be affected by changes in the exchange rates between the dollar and the currencies in which those investments are traded.

Derivatives Risk. Derivatives may be more difficult to purchase, sell or value than other investments and may be subject to market, interest rate, credit, leverage, counterparty and management risks. An underlying fund investing in a derivative could lose more than the cash amount invested or incur higher taxes. Over-the-counter derivatives are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Developing Markets Securities Risk. Securities issued by foreign companies and governments located in developing countries may be affected more negatively by inflation, devaluation of their currencies, higher transaction costs, delays in settlement, adverse political developments, the introduction of capital controls, withholding taxes, nationalization of private assets, expropriation, social unrest, war or lack of timely information than those in developed countries.

Exchange-Traded Funds Risk. An investment by the Fund or underlying fund in ETFs generally presents the same primary risks as an investment in a mutual fund. In addition, an ETF may be subject to the following: (1) a discount of the ETF’s shares to its net asset value; (2) failure to develop an active trading market for the ETF’s shares; (3) the listing exchange halting trading of the ETF’s shares; (4) failure of the ETF’s shares to track the referenced index; and (5) holding troubled securities in the referenced index. ETFs may involve duplication of management fees and certain other expenses, as the Fund or underlying fund indirectly bears its proportionate share of any expenses paid by the ETFs in which it invests. Further, certain of the ETFs in which the Fund or underlying fund may invest are leveraged. The more the Fund or underlying fund invests in such leveraged ETFs, the more this leverage will magnify any losses on those investments.

Exchange-Traded Notes Risk. Exchange-Traded Notes (ETNs) are subject to credit risk, including the credit risk of the issuer, and the value of the ETN may drop due to a downgrade in the issuer’s credit rating, despite the underlying market benchmark or strategy remaining unchanged. The value of an ETN may also be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in underlying assets, changes in the applicable interest rates, changes in the issuer’s credit rating, and economic, legal, political, or geographic events that affect the referenced underlying asset.

Foreign Securities Risk. An underlying fund’s foreign investments may be affected by changes in a foreign country’s exchange rates; political and social instability; changes in economic or taxation policies; difficulties when enforcing obligations; decreased liquidity; and increased volatility. Foreign companies may be subject to less regulation resulting in less publicly available information about the companies.

Fund of Funds Risk. The Fund’s performance depends on the underlying funds in which it invests, and it is subject to the risks of the underlying funds. Market fluctuations may change the target weightings in the underlying funds. The underlying funds may change their investment objectives, policies or practices and may not achieve their investment objectives, all of which may cause the Fund to withdraw its investments therein at a disadvantageous time.

Interest Rate Risk. Interest rate risk refers to the risk that bond prices generally fall as interest rates rise; conversely, bond prices generally rise as interest rates fall. Specific bonds differ in their sensitivity to changes in interest rates depending on their individual characteristics, including duration.

Leverage Risk. Leverage exists when an underlying fund purchases or sells an instrument or enters into a transaction without investing cash in an amount equal to the full economic exposure of the instrument or transaction and the underlying fund could lose more than it invested. Leverage created from borrowing or certain types of transactions or instruments, including derivatives, may impair an underlying fund’s liquidity, cause it to liquidate positions at an unfavorable time, increase volatility or otherwise not achieve its intended objective.

Liquidity Risk. An underlying fund may hold illiquid securities that it is unable to sell at the preferred time or price and could lose its entire investment in such securities.

Management Risk. The investment techniques and risk analysis used by the Fund’s and the underlying funds’ portfolio managers may not produce the desired results.

Market Risk. The prices of and the income generated by the underlying funds’ securities may decline in response to, among other things, investor sentiment; general economic and market conditions; regional or global instability; and currency and interest rate fluctuations.

Non-Diversification Risk. Certain of the underlying funds are non-diversified and can invest a greater portion of their assets in a single issuer. A change in the value of the issuer could affect the value of an underlying fund more than if it was a diversified fund.

Subsidiary Risk. By investing in the Subsidiary, an underlying fund is indirectly exposed to risks associated with the Subsidiary’s investments, including derivatives and commodities. Because the Subsidiary is not registered under the Investment Company Act of 1940, as amended (1940 Act), the underlying fund, as the sole investor in the Subsidiary, will not have the protections offered to investors in U.S. registered investment companies. Changes in the laws of the United States and/or the Cayman Islands, under which the underlying fund and the Subsidiary, respectively, are organized, could result in the inability of the underlying fund and/or the Subsidiary to operate as described in the underlying fund prospectus and the SAI, and could negatively affect the underlying fund and its shareholders.

Tax Risk. Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from commodity-linked notes as qualifying income based on a private letter ruling it has received from the Internal Revenue Service (IRS) holding that the income from a form of commodity-linked note constitutes qualifying income. Additionally, Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from the Subsidiary as qualifying income based on a private letter ruling it has received from the IRS holding that the income of the Subsidiary attributable to Invesco Balanced-Risk Allocation Fund is income derived with respect to Invesco Balanced-Risk Allocation Fund’s business of investing in the stock of the Subsidiary and thus constitutes qualifying income. If, however, the IRS were to change its position with respect to the conclusions reached in these private letter rulings, such that Invesco Balanced-Risk Allocation Fund’s income from the Subsidiary and commodity-linked notes is not “qualifying income,” Invesco Balanced-Risk Allocation Fund may be unable to qualify as a regulated investment company for one or more years. In this event, the Invesco Balanced-Risk Allocation Fund’s Board of Trustees may authorize a significant change in investment strategy or liquidation.

Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark, a style specific benchmark and a peer group benchmark comprised of funds with investment objectives and strategies similar to those of the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of its future performance. Updated performance information is available on the Fund’s Web site at www.invesco.com/us.
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualTotalReturnsBarChartInvescoBalancedRiskRetirement2040FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015567_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Institutional Class Shares year-to-date (ended March 31, 2011): 0.51%

Best Quarter (ended June 30, 2009): 22.18%

Worst Quarter (ended December 31, 2008): (21.31)%

Average Annual Total Returns (for the periods ended December 31, 2010)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AverageAnnualTotalReturnsInvescoBalancedRiskRetirement2040FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015567_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangement, such as 401(k) plans or individual retirement accounts.
Invesco Balanced-Risk Retirement 2050 Fund
Fund Summary - INVESCO BALANCED-RISK RETIREMENT 2050 FUND - INSTITUTIONAL
Investment Objective(s)
The Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices,
and as a secondary objective, capital preservation.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund.
Shareholder Fees (fees paid directly from your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ShareholderFeesInvescoBalancedRiskRetirement2050FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015568_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/AnnualFundOperatingExpensesInvescoBalancedRiskRetirement2050FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015568_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Example.
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.

The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.

Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

<div> &lt;div style="display:none;" &gt;~ http://invesco.com/role/ExpenseExampleInvescoBalancedRiskRetirement2050FundClassInstitutional column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact aimgs_S000015568_Member * row dei_LegalEntityAxis compact aimgs_Prospectus_Twenty_One_Member * ~&lt;/div&gt; </div>
Portfolio Turnover.
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the example, affect the Fund’s performance. During the most recent fiscal year, the Fund’s portfolio turnover rate was 27% of the average value of its portfolio.
Principal Investment Strategies of the Fund and the Underlying Funds

The Fund seeks to meet its investment objective by building a portfolio that includes Invesco Balanced-Risk Allocation Fund and two affiliated money market funds, Liquid Assets Portfolio and Premier Portfolio. The Fund will generally rebalance its assets to the Fund’s target allocations on a monthly basis. A list of the underlying funds and their approximate target fund weightings as of April 30, 2011 is set forth below:

Underlying FundsInvesco Balanced-Risk Retirement 2050
  Fund
Invesco Balanced-Risk Allocation Fund100%
Liquid Assets Portfolio 0.00%
Premier Portfolio0.00%
Total100%

The Fund’s name indicates the approximate date an investor in the Fund plans to retire and may stop making new investments in the Fund. Consistent with the Fund’s real return and capital preservation objectives, the Fund is designed for investors who expect to need all or most of their money in the Fund at retirement and for investors who plan to withdraw the value of their account in the Fund gradually after retirement. Once the asset allocation of the Fund has become similar to the asset allocation of the Invesco Balanced-Risk Retirement Now Fund, the Board of Trustees may approve combining the Fund with Invesco Balanced-Risk Retirement Now Fund if they determine that such a combination is in the best interests of the Fund’s shareholders. Such a combination will result in the shareholders of the Fund owning shares of Invesco Balanced-Risk Retirement Now Fund rather than the Fund. The Adviser expects such a combination to generally occur during the year of the Fund’s target retirement date.

The following chart displays how the Adviser expects the asset allocation for the Fund to change as its target retirement date approaches. The Fund employs a risk-balanced optimization process which accounts for the flat glide path (the glide path is the rate at which the asset mix changes over time) until approximately 10 years from the target retirement date. The glide path will become more conservative on a quarterly basis approximately 10 years from the target retirement date by gradually reducing the allocation to Invesco Balanced-Risk Allocation Fund and increasing the allocation to money market funds. The actual asset allocations for the Funds may differ from those shown in the chart below.


                                      ABRA        Cash
Risk                                  8.00%      0.60%
                                                          2050 Fund
Years   Quarters   2050 Fund Date   $ Weight   $ Weight     Risk

50.00     200       12/31/2000         100%       0%        8.00%
49.75     199        3/31/2001         100%       0%        8.00%
49.50     198        6/30/2001         100%       0%        8.00%
49.25     197        9/30/2001         100%       0%        8.00%
49.00     196       12/31/2001         100%       0%        8.00%
48.75     195        3/31/2002         100%       0%        8.00%
48.50     194        6/30/2002         100%       0%        8.00%
48.25     193        9/30/2002         100%       0%        8.00%
48.00     192       12/31/2002         100%       0%        8.00%
47.75     191        3/31/2003         100%       0%        8.00%
47.50     190        6/30/2003         100%       0%        8.00%
47.25     189        9/30/2003         100%       0%        8.00%
47.00     188       12/31/2003         100%       0%        8.00%
46.75     187        3/31/2004         100%       0%        8.00%
46.50     186        6/30/2004         100%       0%        8.00%
46.25     185        9/30/2004         100%       0%        8.00%
46.00     184       12/31/2004         100%       0%        8.00%
45.75     183        3/31/2005         100%       0%        8.00%
45.50     182        6/30/2005         100%       0%        8.00%
45.25     181        9/30/2005         100%       0%        8.00%
45.00     180       12/31/2005         100%       0%        8.00%
44.75     179        3/31/2006         100%       0%        8.00%
44.50     178        6/30/2006         100%       0%        8.00%
44.25     177        9/30/2006         100%       0%        8.00%
44.00     176       12/31/2006         100%       0%        8.00%
43.75     175        3/31/2007         100%       0%        8.00%
43.50     174        6/30/2007         100%       0%        8.00%
43.25     173        9/30/2007         100%       0%        8.00%
43.00     172       12/31/2007         100%       0%        8.00%
42.75     171        3/31/2008         100%       0%        8.00%
42.50     170        6/30/2008         100%       0%        8.00%
42.25     169        9/30/2008         100%       0%        8.00%
42.00     168       12/31/2008         100%       0%        8.00%
41.75     167        3/31/2009         100%       0%        8.00%
41.50     166        6/30/2009         100%       0%        8.00%
41.25     165        9/30/2009         100%       0%        8.00%
41.00     164       12/31/2009         100%       0%        8.00%
40.75     163        3/31/2010         100%       0%        8.00%
40.50     162        6/30/2010         100%       0%        8.00%
40.25     161        9/30/2010         100%       0%        8.00%
40.00     160       12/31/2010         100%       0%        8.00%
39.75     159        3/31/2011         100%       0%        8.00%
39.50     158        6/30/2011         100%       0%        8.00%
39.25     157        9/30/2011         100%       0%        8.00%
39.00     156       12/31/2011         100%       0%        8.00%
38.75     155        3/31/2012         100%       0%        8.00%
38.50     154        6/30/2012         100%       0%        8.00%
38.25     153        9/30/2012         100%       0%        8.00%
38.00     152       12/31/2012         100%       0%        8.00%
37.75     151        3/31/2013         100%       0%        8.00%
37.50     150        6/30/2013         100%       0%        8.00%
37.25     149        9/30/2013         100%       0%        8.00%
37.00     148       12/31/2013         100%       0%        8.00%
36.75     147        3/31/2014         100%       0%        8.00%
36.50     146        6/30/2014         100%       0%        8.00%
36.25     145        9/30/2014         100%       0%        8.00%
36.00     144       12/31/2014         100%       0%        8.00%
35.75     143        3/31/2015         100%       0%        8.00%
35.50     142        6/30/2015         100%       0%        8.00%
35.25     141        9/30/2015         100%       0%        8.00%
35.00     140       12/31/2015         100%       0%        8.00%
34.75     139        3/31/2016         100%       0%        8.00%
34.50     138        6/30/2016         100%       0%        8.00%
34.25     137        9/30/2016         100%       0%        8.00%
34.00     136       12/31/2016         100%       0%        8.00%
33.75     135        3/31/2017         100%       0%        8.00%
33.50     134        6/30/2017         100%       0%        8.00%
33.25     133        9/30/2017         100%       0%        8.00%
33.00     132       12/31/2017         100%       0%        8.00%
32.75     131        3/31/2018         100%       0%        8.00%
32.50     130        6/30/2018         100%       0%        8.00%
32.25     129        9/30/2018         100%       0%        8.00%
32.00     128       12/31/2018         100%       0%        8.00%
31.75     127        3/31/2019         100%       0%        8.00%
31.50     126        6/30/2019         100%       0%        8.00%
31.25     125        9/30/2019         100%       0%        8.00%
31.00     124       12/31/2019         100%       0%        8.00%
30.75     123        3/31/2020         100%       0%        8.00%
30.50     122        6/30/2020         100%       0%        8.00%
30.25     121        9/30/2020         100%       0%        8.00%
30.00     120       12/31/2020         100%       0%        8.00%
29.75     119        3/31/2021         100%       0%        8.00%
29.50     118        6/30/2021         100%       0%        8.00%
29.25     117        9/30/2021         100%       0%        8.00%
29.00     116       12/31/2021         100%       0%        8.00%
28.75     115        3/31/2022         100%       0%        8.00%
28.50     114        6/30/2022         100%       0%        8.00%
28.25     113        9/30/2022         100%       0%        8.00%
28.00     112       12/31/2022         100%       0%        8.00%
27.75     111        3/31/2023         100%       0%        8.00%
27.50     110        6/30/2023         100%       0%        8.00%
27.25     109        9/30/2023         100%       0%        8.00%
27.00     108       12/31/2023         100%       0%        8.00%
26.75     107        3/31/2024         100%       0%        8.00%
26.50     106        6/30/2024         100%       0%        8.00%
26.25     105        9/30/2024         100%       0%        8.00%
26.00     104       12/31/2024         100%       0%        8.00%
25.75     103        3/31/2025         100%       0%        8.00%
25.50     102        6/30/2025         100%       0%        8.00%
25.25     101        9/30/2025         100%       0%        8.00%
25.00     100       12/31/2025         100%       0%        8.00%
24.75      99        3/31/2026         100%       0%        8.00%
24.50      98        6/30/2026         100%       0%        8.00%
24.25      97        9/30/2026         100%       0%        8.00%
24.00      96       12/31/2026         100%       0%        8.00%
23.75      95        3/31/2027         100%       0%        8.00%
23.50      94        6/30/2027         100%       0%        8.00%
23.25      93        9/30/2027         100%       0%        8.00%
23.00      92       12/31/2027         100%       0%        8.00%
22.75      91        3/31/2028         100%       0%        8.00%
22.50      90        6/30/2028         100%       0%        8.00%
22.25      89        9/30/2028         100%       0%        8.00%
22.00      88       12/31/2028         100%       0%        8.00%
21.75      87        3/31/2029         100%       0%        8.00%
21.50      86        6/30/2029         100%       0%        8.00%
21.25      85        9/30/2029         100%       0%        8.00%
21.00      84       12/31/2029         100%       0%        8.00%
20.75      83        3/31/2030         100%       0%        8.00%
20.50      82        6/30/2030         100%       0%        8.00%
20.25      81        9/30/2030         100%       0%        8.00%
20.00      80       12/31/2030         100%       0%        8.00%
19.75      79        3/31/2031         100%       0%        8.00%
19.50      78        6/30/2031         100%       0%        8.00%
19.25      77        9/30/2031         100%       0%        8.00%
19.00      76       12/31/2031         100%       0%        8.00%
18.75      75        3/31/2032         100%       0%        8.00%
18.50      74        6/30/2032         100%       0%        8.00%
18.25      73        9/30/2032         100%       0%        8.00%
18.00      72       12/31/2032         100%       0%        8.00%
17.75      71        3/31/2033         100%       0%        8.00%
17.50      70        6/30/2033         100%       0%        8.00%
17.25      69        9/30/2033         100%       0%        8.00%
17.00      68       12/31/2033         100%       0%        8.00%
16.75      67        3/31/2034         100%       0%        8.00%
16.50      66        6/30/2034         100%       0%        8.00%
16.25      65        9/30/2034         100%       0%        8.00%
16.00      64       12/31/2034         100%       0%        8.00%
15.75      63        3/31/2035         100%       0%        8.00%
15.50      62        6/30/2035         100%       0%        8.00%
15.25      61        9/30/2035         100%       0%        8.00%
15.00      60       12/31/2035         100%       0%        8.00%
14.75      59        3/31/2036         100%       0%        8.00%
14.50      58        6/30/2036         100%       0%        8.00%
14.25      57        9/30/2036         100%       0%        8.00%
14.00      56       12/31/2036         100%       0%        8.00%
13.75      55        3/31/2037         100%       0%        8.00%
13.50      54        6/30/2037         100%       0%        8.00%
13.25      53        9/30/2037         100%       0%        8.00%
13.00      52       12/31/2037         100%       0%        8.00%
12.75      51        3/31/2038         100%       0%        8.00%
12.50      50        6/30/2038         100%       0%        8.00%
12.25      49        9/30/2038         100%       0%        8.00%
12.00      48       12/31/2038         100%       0%        8.00%
11.75      47        3/31/2039         100%       0%        8.00%
11.50      46        6/30/2039         100%       0%        8.00%
11.25      45        9/30/2039         100%       0%        8.00%
11.00      44       12/31/2039         100%       0%        8.00%
10.75      43        3/31/2040         100%       0%        8.00%
10.50      42        6/30/2040         100%       0%        8.00%
10.25      41        9/30/2040         100%       0%        8.00%
10.00      40       12/31/2040         100%       0%        8.00%
 9.75      39        3/31/2041          99%       1%        7.92%
 9.50      38        6/30/2041          98%       2%        7.84%
 9.25      37        9/30/2041          97%       3%        7.76%
 9.00      36       12/31/2041          96%       4%        7.68%
 8.75      35        3/31/2042          95%       5%        7.60%
 8.50      34        6/30/2042          94%       6%        7.52%
 8.25      33        9/30/2042          93%       7%        7.44%
 8.00      32       12/31/2042          92%       8%        7.36%
 7.75      31        3/31/2043          91%       9%        7.28%
 7.50      30        6/30/2043          90%      10%        7.20%
 7.25      29        9/30/2043          89%      11%        7.12%
 7.00      28       12/31/2043          88%      12%        7.04%
 6.75      27        3/31/2044          87%      13%        6.96%
 6.50      26        6/30/2044          86%      14%        6.88%
 6.25      25        9/30/2044          85%      15%        6.80%
 6.00      24       12/31/2044          84%      16%        6.72%
 5.75      23        3/31/2045          83%      17%        6.64%
 5.50      22        6/30/2045          82%      18%        6.56%
 5.25      21        9/30/2045          81%      19%        6.48%
 5.00      20       12/31/2045          80%      20%        6.40%
 4.75      19        3/31/2046          79%      21%        6.32%
 4.50      18        6/30/2046          78%      22%        6.24%
 4.25      17        9/30/2046          77%      23%        6.16%
 4.00      16       12/31/2046          76%      24%        6.08%
 3.75      15        3/31/2047          75%      25%        6.00%
 3.50      14        6/30/2047          74%      26%        5.92%
 3.25      13        9/30/2047          73%      27%        5.84%
 3.00      12       12/31/2047          72%      28%        5.76%
 2.75      11        3/31/2048          71%      29%        5.68%
 2.50      10        6/30/2048          70%      30%        5.60%
 2.25       9        9/30/2048          69%      31%        5.52%
 2.00       8       12/31/2048          68%      32%        5.44%
 1.75       7        3/31/2049          67%      33%        5.36%
 1.50       6        6/30/2049          66%      34%        5.28%
 1.25       5        9/30/2049          65%      35%        5.20%
 1.00       4       12/31/2049          64%      36%        5.12%
 0.75       3        3/31/2050          63%      37%        5.04%
 0.50       2        6/30/2050          62%      38%        4.97%
 0.25       1        9/30/2050          61%      39%        4.89%
 0.00       0       12/31/2050          60%      40%        4.81%

The following table lists the expected market exposure through Invesco Balanced-Risk Allocation Fund to equities, commodities and fixed income and through Liquid Assets Portfolio and Premier Portfolio to cash equivalents. The portfolio managers actively adjust portfolio positions in Invesco Balanced-Risk Allocation Fund to minimize loss of capital, to benefit from market opportunities and to reduce excessive volatility. Due to the use of leverage in the underlying fund, Invesco Balanced-Risk Allocation Fund, the percentages may not equal 100%.

  10-50 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities15.80%29.60%62.50%
Commodities13.70%20.80%35.60%
Fixed Income47.80%81.60%136.90%
Cash Equivalents0.00%0.00%0.00%
  5 Years From Retirement 
  Strategic 
 MinimumAllocationMaximum
Equities12.60%23.70%50.00%
Commodities11.00%17.40%28.50%
Fixed Income38.30%68.00%109.50%
Cash Equivalents20.00%20.00%20.00%
  At Retirement Date 
  Strategic 
 MinimumAllocationMaximum
Equities9.50%17.80%37.50%
Commodities8.20%13.00%21.40%
Fixed Income28.70%51.00%82.10%
Cash Equivalents40.00%40.00%40.00%

An investment in the Fund is not guaranteed, and you may experience losses, including near to, at, or after the target date. There is no guarantee that the Fund will provide adequate income at or through your retirement.

Investment Objectives and Strategies of the Underlying Funds

Invesco Balanced-Risk Allocation Fund. Invesco Balanced-Risk Allocation Fund’s investment objective is to provide total return with a low to moderate correlation to traditional financial market indices. Invesco Balanced-Risk Allocation Fund’s investment objective may be changed by the Board of Trustees without shareholder approval.

Invesco Balanced-Risk Allocation Fund invests, under normal conditions, in derivatives and other financially-linked instruments whose performance is expected to correspond to U.S. and international fixed income, equity and commodity markets. Invesco Balanced-Risk Allocation Fund may invest in derivatives and other financially-linked instruments such as futures, swap agreements, including total return swaps and may also invest in U.S. and foreign government debt securities and other securities such as exchange-traded funds (ETFs) and commodity-linked notes. Invesco Balanced-Risk Allocation Fund’s international investments will generally be in developed countries, but may also include emerging market countries. Invesco Balanced-Risk Allocation Fund’s fixed income investments are generally considered to be investment grade while Invesco Balanced-Risk Allocation Fund’s commodity markets exposure will generally be in the precious metals, agriculture, energy and industrial metals sectors. Invesco Balanced-Risk Allocation Fund will also invest in the Subsidiary and ETFs to gain exposure to commodity markets. The Subsidiary, in turn, will invest in futures, exchange-traded notes (ETNs) and other securities and financially-linked instruments. ETNs are senior, unsecured, unsubordinated debt securities whose returns are linked to the performance of a particular market benchmark or strategy, minus applicable fees. ETNs are traded on an exchange (e.g., the New York Stock Exchange) during normal trading hours; however, investors can also hold the ETN until maturity. Invesco Balanced-Risk Allocation Fund will generally maintain 60% of its total assets in cash and cash equivalent instruments including affiliated money market funds. Some of the cash holdings will serve as margin or collateral for the Fund’s obligations under derivative transactions. Invesco Balanced-Risk Allocation Fund’s investments in certain derivatives may create significant leveraged exposure to certain equity, fixed income and commodity markets. Leverage occurs when the investments in derivatives create greater economic exposure than the amount invested. This means that Invesco Balanced-Risk Allocation Fund could lose more than originally invested in the derivative.

The Subsidiary is advised by Invesco and has the same investment objective as Invesco Balanced-Risk Allocation Fund and generally employs the same investment strategy but limits its investments to commodity derivatives, ETNs, cash and cash equivalent instruments, including affiliated money market funds.

The Subsidiary, unlike Invesco Balanced-Risk Allocation Fund, may invest without limitation in commodities, commodity-linked derivatives and other securities, such as ETNs, that may provide leveraged and non-leveraged exposure to commodity markets. The Subsidiary also may hold cash and invest in cash equivalent instruments, including affiliated money market funds, some of which may serve as margin or collateral for the Subsidiary’s derivative positions. The Fund may invest up to 25% of its total assets in the Subsidiary. Invesco Balanced-Risk Allocation Fund will be subject to the risks associated with any investment by the Subsidiary to the extent of Invesco Balanced-Risk Allocation Fund’s investment in the Subsidiary.

Invesco Balanced-Risk Allocation Fund is non-diversified, which means that it can invest a greater percentage of its assets in any one issuer than a diversified fund can.

Relative to traditional balanced portfolios, Invesco Balanced-Risk Allocation Fund will seek to provide greater capital loss protection during down markets. The portfolio’s management team will accomplish this through a three-step investment process.

The first step involves asset selection. The management team selects representative assets to gain exposure to equity, fixed income and commodity markets. The selection process (1) evaluates a particular asset’s theoretical case for long-term excess returns relative to cash; (2) screens the identified assets to meet minimum liquidity criteria; and (3) reviews the expected correlation among the assets and the expected risk for each asset to determine whether the selected assets are likely to improve the expected risk adjusted return of Invesco Balanced-Risk Allocation Fund.

The second step involves portfolio construction. Proprietary estimates for risk and correlation are used by the management team to create a portfolio. The team re-estimates the risk contributed by each asset and re-optimizes the portfolio periodically or when new assets are introduced to Invesco Balanced-Risk Allocation Fund.

The final step involves active positioning. The management team actively adjusts portfolio positions to reflect the near-term market environment, while remaining consistent with the optimized long-term portfolio structure described in step two above. The management team balances these two competing ideas—opportunity for excess return from active positioning and the need to maintain asset class exposure set forth in the optimized portfolio structure—by setting controlled tactical ranges around the long-term asset allocation. The resulting asset allocation is then implemented by investing in derivatives, other financially-linked instruments, U.S. and foreign government debt securities, other securities, cash and cash equivalent instruments, including affiliated money market funds. By using derivatives, Invesco Balanced-Risk Allocation Fund is able to gain greater exposure to assets within each class than would be possible using cash instruments, and thus seeks to balance the amount of risk each asset class contributes to the portfolio.

Liquid Assets Portfolio. Liquid Assets Portfolio’s investment objective is to provide as high a level of current income as is consistent with the preservation of capital and liquidity. Liquid Assets Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Liquid Assets Portfolio invests in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. or foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Liquid Assets Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Liquid Assets Portfolio invests in conformity with Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Liquid Assets Portfolio maintains a dollar-weighted average portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Liquid Assets Portfolio may invest up to 50% of its total assets in U.S. dollar-denominated foreign securities. Liquid Assets Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Liquid Assets Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Liquid Assets Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. The portfolio manager may invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a particular security when they deem it advisable, such as when market or credit factors materially change.

Premier Portfolio. Premier Portfolio’s investment objective is a high level of current income consistent with the preservation of capital and the maintenance of liquidity. Premier Portfolio’s investment objective may be changed by the Board of Trustees without shareholder approval.

Premier Portfolio invests primarily in high-quality U.S. dollar-denominated short-term debt obligations, including: (i) securities issued by the U.S. Government or its agencies; (ii) bankers’ acceptances, certificates of deposit, and time deposits from U.S. and foreign banks; (iii) repurchase agreements; (iv) commercial paper; (v) municipal securities; and (vi) master notes.

Premier Portfolio is a money market fund that seeks to maintain a stable price of $1.00 per share by using the amortized cost method to value portfolio securities and rounding the share value to the nearest cent. Premier Portfolio invests in conformity with the Securities and Exchange Commission (SEC) rules and regulation requirements for money market funds for the quality, maturity, diversification and liquidity of investments. Premier Portfolio maintains a dollar-weighted portfolio maturity of 60 days or less and a dollar-weighted average life to maturity of 120 days or less.

Premier Portfolio invests from time to time in U.S. dollar-denominated foreign securities. Premier Portfolio may also invest in securities, whether or not considered foreign securities, which carry foreign credit exposure. Premier Portfolio will limit investments to those securities which are rated within the top rating category by rating agencies, commonly referred to as First Tier Securities, at the time of purchase.

In selecting securities for Premier Portfolio, the portfolio managers focus on securities that offer favorable prospects for current income consistent with the preservation of capital. Premier Portfolio may also invest in variable-rate demand notes.

The portfolio managers normally hold portfolio securities to maturity, but may sell a security when they deem it advisable, such as when market or credit factors materially change.

Principal Risks of Investing in the Fund and the Underlying Funds

As with any mutual fund investment, loss of money is a risk of investing. An investment in the Fund is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. The risks associated with an investment in the Fund can increase during times of significant market volatility. Because the Fund is a fund of funds, the Fund is subject to the risks associated with the underlying funds in which it invests. The principal risks of investing in the Fund and the underlying funds are:

Active Trading Risk. Certain underlying funds engage in frequent trading of portfolio securities. Active trading results in added expenses and may result in a lower return and increased tax liability.

Commodity-Linked Notes Risk. An underlying fund’s investments in commodity-linked notes may involve substantial risks, including risk of loss of a significant portion of their principal value. In addition to risks associated with the underlying commodities, they may be subject to additional special risks, such as the lack of a secondary trading market and temporary price distortions due to speculators and/or the continuous rolling over of futures contracts underlying the notes. Commodity-linked notes are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Commodity Risk. Certain of the underlying funds will invest in commodities through a wholly-owned subsidiary of that underlying fund organized under the laws of the Cayman Islands (the Subsidiary). Investment exposure to the commodities markets and/or a particular sector of the commodities markets, may subject the underlying fund and the Subsidiary to greater volatility than investments in traditional securities, such as stocks and bonds. The commodities markets may fluctuate widely based on a variety of factors, including changes in overall market movements, domestic and foreign political and economic events and policies, war, acts of terrorism, changes in domestic or foreign interest rates and/or investor expectations concerning interest rates, domestic and foreign inflation rates and investment and trading activities of mutual funds, hedge funds and commodities funds. Prices of various commodities may also be affected by factors such as drought, floods, weather, livestock disease, embargoes, tariffs and other regulatory developments. The prices of commodities can also fluctuate widely due to supply and demand disruptions in major producing or consuming regions. Because certain of the underlying fund’s and the Subsidiary’s performance is linked to the performance of potentially volatile commodities, investors should be willing to assume the risks of potentially significant fluctuations in the value of the underlying fund’s shares.

Concentration Risk. To the extent an underlying fund invests a greater amount in any one sector or industry, an underlying fund’s performance will depend to a greater extent on the overall condition of the sector or industry, and there is increased risk to an underlying fund if conditions adversely affect that sector or industry.

Counterparty Risk. Many of the instruments that an underlying fund expects to hold may be subject to the risk that the other party to a contract will not fulfill its contractual obligations.

Credit Risk. The issuer of instruments in which an underlying fund invests may be unable to meet interest and/or principal payments, thereby causing its instruments to decrease in value and lowering the issuer’s credit rating.

Currency/Exchange Rate Risk. The dollar value of an underlying fund’s foreign investments will be affected by changes in the exchange rates between the dollar and the currencies in which those investments are traded.

Derivatives Risk. Derivatives may be more difficult to purchase, sell or value than other investments and may be subject to market, interest rate, credit, leverage, counterparty and management risks. An underlying fund investing in a derivative could lose more than the cash amount invested or incur higher taxes. Over-the-counter derivatives are also subject to counterparty risk, which is the risk that the other party to the contract will not fulfill its contractual obligation to complete the transaction with an underlying fund.

Developing Markets Securities Risk. Securities issued by foreign companies and governments located in developing countries may be affected more negatively by inflation, devaluation of their currencies, higher transaction costs, delays in settlement, adverse political developments, the introduction of capital controls, withholding taxes, nationalization of private assets, expropriation, social unrest, war or lack of timely information than those in developed countries.

Exchange-Traded Funds Risk. An investment by the Fund or underlying fund in ETFs generally presents the same primary risks as an investment in a mutual fund. In addition, an ETF may be subject to the following: (1) a discount of the ETF’s shares to its net asset value; (2) failure to develop an active trading market for the ETF’s shares; (3) the listing exchange halting trading of the ETF’s shares; (4) failure of the ETF’s shares to track the referenced index; and (5) holding troubled securities in the referenced index. ETFs may involve duplication of management fees and certain other expenses, as the Fund or underlying fund indirectly bears its proportionate share of any expenses paid by the ETFs in which it invests. Further, certain of the ETFs in which the Fund or underlying fund may invest are leveraged. The more the Fund or underlying fund invests in such leveraged ETFs, the more this leverage will magnify any losses on those investments.

Exchange-Traded Notes Risk. Exchange-Traded Notes (ETNs) are subject to credit risk, including the credit risk of the issuer, and the value of the ETN may drop due to a downgrade in the issuer’s credit rating, despite the underlying market benchmark or strategy remaining unchanged. The value of an ETN may also be influenced by time to maturity, level of supply and demand for the ETN, volatility and lack of liquidity in underlying assets, changes in the applicable interest rates, changes in the issuer’s credit rating, and economic, legal, political, or geographic events that affect the referenced underlying asset.

Foreign Securities Risk. An underlying fund’s foreign investments may be affected by changes in a foreign country’s exchange rates; political and social instability; changes in economic or taxation policies; difficulties when enforcing obligations; decreased liquidity; and increased volatility. Foreign companies may be subject to less regulation resulting in less publicly available information about the companies.

Fund of Funds Risk. The Fund’s performance depends on the underlying funds in which it invests, and it is subject to the risks of the underlying funds. Market fluctuations may change the target weightings in the underlying funds. The underlying funds may change their investment objectives, policies or practices and may not achieve their investment objectives, all of which may cause the Fund to withdraw its investments therein at a disadvantageous time.

Interest Rate Risk. Interest rate risk refers to the risk that bond prices generally fall as interest rates rise; conversely, bond prices generally rise as interest rates fall. Specific bonds differ in their sensitivity to changes in interest rates depending on their individual characteristics, including duration.

Leverage Risk. Leverage exists when an underlying fund purchases or sells an instrument or enters into a transaction without investing cash in an amount equal to the full economic exposure of the instrument or transaction and the underlying fund could lose more than it invested. Leverage created from borrowing or certain types of transactions or instruments, including derivatives, may impair an underlying fund’s liquidity, cause it to liquidate positions at an unfavorable time, increase volatility or otherwise not achieve its intended objective.

Liquidity Risk. An underlying fund may hold illiquid securities that it is unable to sell at the preferred time or price and could lose its entire investment in such securities.

Management Risk. The investment techniques and risk analysis used by the Fund’s and the underlying funds’ portfolio managers may not produce the desired results.

Market Risk. The prices of and the income generated by the underlying funds’ securities may decline in response to, among other things, investor sentiment; general economic and market conditions; regional or global instability; and currency and interest rate fluctuations.

Non-Diversification Risk. Certain of the underlying funds are non-diversified and can invest a greater portion of their assets in a single issuer. A change in the value of the issuer could affect the value of an underlying fund more than if it was a diversified fund.

Subsidiary Risk. By investing in the Subsidiary, an underlying fund is indirectly exposed to risks associated with the Subsidiary’s investments, including derivatives and commodities. Because the Subsidiary is not registered under the Investment Company Act of 1940, as amended (1940 Act), the underlying fund, as the sole investor in the Subsidiary, will not have the protections offered to investors in U.S. registered investment companies. Changes in the laws of the United States and/or the Cayman Islands, under which the underlying fund and the Subsidiary, respectively, are organized, could result in the inability of the underlying fund and/or the Subsidiary to operate as described in the underlying fund prospectus and the SAI, and could negatively affect the underlying fund and its shareholders.

Tax Risk. Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from commodity-linked notes as qualifying income based on a private letter ruling it has received from the Internal Revenue Service (IRS) holding that the income from a form of commodity-linked note constitutes qualifying income. Additionally, Invesco Balanced-Risk Allocation Fund intends to treat the income it derives from the Subsidiary as qualifying income based on a private letter ruling it has received from the IRS holding that the income of the Subsidiary attributable to Invesco Balanced-Risk Allocation Fund is income derived with respect to Invesco Balanced-Risk Allocation Fund’s business of investing in the stock of the Subsidiary and thus constitutes qualifying income. If, however, the IRS were to change its position with respect to the conclusions reached in these private letter rulings, such that Invesco Balanced-Risk Allocation Fund’s income from the Subsidiary and commodity-linked notes is not “qualifying income,” Invesco Balanced-Risk Allocation Fund may be unable to qualify as a regulated investment company for one or more years. In this event, the Invesco Balanced-Risk Allocation Fund’s Board of Trustees may authorize a significant change in investment strategy or liquidation.

Performance Information
The bar chart and performance table provide an indication of the risks of investing in the Fund. The bar chart shows changes in the performance of the Fund from year to year as of December 31. The performance table compares the Fund’s performance to that of a broad-based securities market benchmark, a style specific benchmark and a peer group benchmark comprised of funds with investment objectives and strategies similar to those of the Fund. The Fund’s past performance (before and after taxes) is not necessarily an indication of its future performance. Updated performance information is available on the Fund’s Web site at www.invesco.com/us.
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Institutional Class Shares year-to-date (ended March 31, 2011): 0.66%

Best Quarter (ended June 30, 2009): 23.30%

Worst Quarter (ended December 31, 2008): (22.35)%

Average Annual Total Returns (for the periods ended December 31, 2010)
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After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown, and after-tax returns shown are not relevant to investors who hold their Fund shares through tax-deferred arrangement, such as 401(k) plans or individual retirement accounts.
[1] Invesco Advisers, Inc. (Invesco or the Adviser) has contractually agreed, through at least April 30, 2012, to waive advisory fees and/or reimburse expenses to the extent necessary to limit Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement (excluding certain items discussed in the SAI) of Institutional Class shares to 0.23% of average daily net assets. Acquired Fund Fees and Expenses are also excluded in determining such obligation. Unless the Board of Trustees and Invesco mutually agree to amend or continue the fee waiver agreement, it will terminate on April 30, 2012.