485BPOS

As filed with the Securities and Exchange Commission on October 1, 2018

Securities Act File No. 333-92106

Investment Company Act of 1940 File No. 811-21145

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933	☒
Post-Effective Amendment No. 140

And

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940	☒
Amendment No. 143

SPDR^® INDEX SHARES FUNDS

(Exact Name of Registrant as Specified in Charter)

One Iron Street

Boston, Massachusetts 02210

(Address of Principal Executive Offices)

Registrant’s Telephone Number: (617) 664-7037

Joshua A. Weinberg, Esq.

Managing Director and Managing Counsel

c/o SSGA Funds Management, Inc.

One Iron Street

Boston, Massachusetts 02210

(Name and Address of Agent for Service)

Copies to:

W. John McGuire, Esq.

Morgan, Lewis & Bockius LLP

1111 Pennsylvania Avenue, NW

Washington, DC 20004

It is proposed that this filing will become effective:

☒ immediately upon filing pursuant to Rule 485, paragraph (b)

☐ on                              pursuant to Rule 485, paragraph (b)

☐ 60 days after filing pursuant to Rule 485, paragraph (a)(1)

☐ on                              pursuant to Rule 485, paragraph (a)(1)

☐ 75 days after filing pursuant to Rule 485, paragraph (a)(2)

☐ on                              pursuant to Rule 485, paragraph (a)(2)

☐ this post-effective amendment designates a new effective date for a previously filed post-effective amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, SPDR^® Index Shares Funds, the Registrant, certifies that it meets all of the requirements for effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this Amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunder duly authorized, in the City of Boston and the Commonwealth of Massachusetts on the 1^st day of October, 2018.

SPDR® INDEX SHARES FUNDS
By:	/s/ Ellen M. Needham
	Ellen M. Needham
	President

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, this Amendment to the Registration Statement has been signed below by the following persons in the capacities and on the date indicated:

SIGNATURES	TITLE	DATE
/s/ Bonny E. Boatman* Bonny E. Boatman	Trustee	October 1, 2018
/s/ Dwight D. Churchill* Dwight D. Churchill	Trustee	October 1, 2018
/s/ Frank Nesvet* Frank Nesvet	Trustee	October 1, 2018
/s/ Clare S. Richer* Clare S. Richer	Trustee	October 1, 2018
/s/ Sandra G. Sponem* Sandra G. Sponem	Trustee	October 1, 2018
/s/ Carl G. Verboncoeur* Carl G. Verboncoeur	Trustee	October 1, 2018
/s/ James E. Ross* James E. Ross	Trustee	October 1, 2018
/s/ Ellen M. Needham Ellen M. Needham	President and Principal Executive Officer	October 1, 2018
/s/ Bruce S. Rosenberg Bruce S. Rosenberg	Treasurer and Principal Financial Officer	October 1, 2018

*By:	/s/ Jesse D. Hallee
	Jesse D. Hallee,
	As Attorney-in-Fact
	Pursuant to Power of Attorney

Exhibit Index

Exhibit No.
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Document Type	dei_DocumentType	485BPOS
Document Period End Date	dei_DocumentPeriodEndDate	Sep. 17, 2018
Registrant Name	dei_EntityRegistrantName	SPDR INDEX SHARES FUNDS (Formerly streetTRACKS Index Shares Funds)
Central Index Key	dei_EntityCentralIndexKey	0001168164
Amendment Flag	dei_AmendmentFlag	false
Document Creation Date	dei_DocumentCreationDate	Sep. 17, 2018
Document Effective Date	dei_DocumentEffectiveDate	Sep. 17, 2018
Prospectus Date	rr_ProspectusDate	Sep. 17, 2018

XML

SPDR Solactive Hong Kong ETF

FUND SUMMARY<br/><br/><b>SPDR^® Solactive Hong Kong ETF</b>

<b>INVESTMENT OBJECTIVE</b>

The SPDR Solactive Hong Kong ETF (the “Fund”) seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of an index based upon the equity market of Hong Kong.

<b>FEES AND EXPENSES OF THE FUND</b>

The table below describes the fees and expenses that you may pay if you buy and hold shares of the Fund (“Fund Shares”). This table and the Example below reflect the expenses of the Fund and do not reflect brokerage commissions you may pay on purchases and sales of Fund Shares.

<b>ANNUAL FUND OPERATING EXPENSES </b>(expenses that you pay each year as a percentage of the value of your investment):

Annual Fund Operating Expenses	SPDR Solactive Hong Kong ETF SPDR Solactive Hong Kong ETF
Management fees	0.20%
Distribution and service (12b-1) fees	none
Other expenses	none	[1]
Total annual Fund operating expenses	0.20%
Less contractual fee waiver	(0.06%)	[2]
Net annual Fund operating expenses	0.14%

<b>EXAMPLE:</b>

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 sell all of your Fund 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. The Example reflects the Fund's contractual fee waiver and/or expense reimbursement only in the periods for which the contractual fee waiver and/or expense reimbursement is expected to continue. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example	Year 1	Year 3
SPDR Solactive Hong Kong ETF | SPDR Solactive Hong Kong ETF | USD ($)	14	58

<b>PORTFOLIO TURNOVER:</b>

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. The Fund's portfolio turnover rate has been omitted because the Fund had not commenced investment operations as of the date of this Prospectus.

<b>THE FUND'S PRINCIPAL INVESTMENT STRATEGY</b>

In seeking to track the performance of the Solactive GBS Hong Kong Large & Mid Cap USD Index NTR (the “Index”), the Fund employs a sampling strategy, which means that the Fund is not required to purchase all of the securities represented in the Index. Instead, the Fund may purchase a subset of the securities in the Index in an effort to hold a portfolio of securities with generally the same risk and return characteristics of the Index. The quantity of holdings in the Fund will be based on a number of factors, including asset size of the Fund. Based on its analysis of these factors, SSGA Funds Management, Inc. (“SSGA FM” or the “Adviser”), the investment adviser to the Fund, may invest the Fund's assets in a subset of securities in the Index or may invest the Fund's assets in substantially all of the securities represented in the Index in approximately the same proportions as the Index.

Under normal market conditions, the Fund generally invests substantially all, but at least 80%, of its total assets in the securities comprising the Index and in depositary receipts (including American Depositary Receipts (“ADRs”) or Global Depositary Receipts (“GDRs”)) based on securities comprising the Index. In addition, the Fund may invest in equity securities that are not included in the Index (including common stock, preferred stock, depositary receipts and shares of other investment companies), cash and cash equivalents or money market instruments, such as repurchase agreements and money market funds (including money market funds advised by the Adviser).

The Index is a free float-adjusted market capitalization index that is designed to measure the equity market performance of large- and mid-cap companies in Hong Kong. A company's free float-adjusted market capitalization is calculated by multiplying the number of shares readily available in the market by the price of such shares. Companies with a larger free float-adjusted market capitalization make up a proportionally larger portion of the Index. The initial universe of securities eligible for inclusion in the Index include common stock, preferred stock, real estate investment trusts (“REITs”) and depositary receipts. To be eligible for inclusion in the Index, new and current components must meet the following criteria as of the rebalancing reference date: (i) be listed on an exchange in a developed country; (ii) have a minimum one- and six-month average daily trading value of $1,000,000 ($750,000 for current Index components); (iii) have a minimum trading volume of 100,000 (75,000 for current Index components) shares over the preceding one-month period and 600,000 (450,000 for current Index components) shares over the preceding six-month period; (iv) have a free float percentage (percentage of common shares outstanding readily available in the market) of at least 10% (7.5% for current Index components); and (v) have no more than 10 non-trading days over the preceding six-month period. Initial public offerings (“IPOs”) are eligible for inclusion in the Index, subject to similar criteria. Eligible securities are assigned to a country based on country of primary listing, incorporation, domicile and country of risk. All securities assigned to Hong Kong are then ranked by issuer market capitalization and the securities of approximately 85% of the largest issuers are included in the Index. The Index is reconstituted and rebalanced semi-annually on the first Wednesday in May and November. In addition, IPOs may be included on the first Wednesday in February and August. The rebalancing reference date is 20 business days prior to the rebalancing date. As of August 31, 2018, a significant portion of the Index comprised companies in the financial and real estate sectors, although this may change from time to time. As of August 31, 2018, the Index comprised 58 securities.

The Index is sponsored by Solactive AG (the “Index Provider”), which is not affiliated with the Fund or the Adviser. The Index Provider determines the composition of the Index, relative weightings of the securities in the Index and publishes information regarding the market value of the Index.

<b>PRINCIPAL RISKS OF INVESTING IN THE FUND</b>

As with all investments, there are certain risks of investing in the Fund. Fund Shares will change in value, and you could lose money by investing in the Fund. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Currency Risk: The value of the Fund's assets may be affected favorably or unfavorably by currency exchange rates, currency exchange control regulations, and delays, restrictions or prohibitions on the repatriation of foreign currencies. Foreign currency exchange rates may have significant volatility, and changes in the values of foreign currencies against the U.S. dollar may result in substantial declines in the values of the Fund's assets denominated in foreign currencies.

Depositary Receipts Risk: Investments in depositary receipts may be less liquid and more volatile than the underlying securities in their primary trading market. If a depositary receipt is denominated in a different currency than its underlying securities, the Fund will be subject to the currency risk of both the investment in the depositary receipt and the underlying security. Holders of depositary receipts may have limited or no rights to take action with respect to the underlying securities or to compel the issuer of the receipts to take action. The prices of depositary receipts may differ from the prices of securities upon which they are based. To the extent the Fund invests in depositary receipts based on securities included in the Index, such differences in prices may increase index tracking risk.

Equity Investing Risk: The market prices of equity securities owned by the Fund may go up or down, sometimes rapidly or unpredictably. The value of a security may decline for a number of reasons that may directly relate to the issuer and also may decline due to general industry or market conditions that are not specifically related to a particular company. In addition, equity markets tend to move in cycles, which may cause stock prices to fall over short or extended periods of time.

Financial Sector Risk: Financial services companies are subject to extensive governmental regulation which may limit both the amounts and types of loans and other financial commitments they can make, the interest rates and fees they can charge, the scope of their activities, the prices they can charge and the amount of capital they must maintain. Profitability is largely dependent on the availability and cost of capital funds and can fluctuate significantly when interest rates change or due to increased competition. In addition, deterioration of the credit markets generally may cause an adverse impact in a broad range of markets, including U.S. and international credit and interbank money markets generally, thereby affecting a wide range of financial institutions and markets. Certain events in the financial sector may cause an unusually high degree of volatility in the financial markets, both domestic and foreign, and cause certain financial services companies to incur large losses. Securities of financial services companies may experience a dramatic decline in value when such companies experience substantial declines in the valuations of their assets, take action to raise capital (such as the issuance of debt or equity securities), or cease operations. Credit losses resulting from financial difficulties of borrowers and financial losses associated with investment activities can negatively impact the sector. Insurance companies may be subject to severe price competition. Adverse economic, business or political developments could adversely affect financial institutions engaged in mortgage finance or other lending or investing activities directly or indirectly connected to the value of real estate.

Geographic Focus Risk: The performance of a fund that is less diversified across countries or geographic regions will be closely tied to market, currency, economic, political, environmental, or regulatory conditions and developments in the countries or regions in which the fund invests, and may be more volatile than the performance of a more geographically-diversified fund.

Hong Kong: China is Hong Kong's largest trading partner, both in terms of exports and imports. The economy of Hong Kong is closely tied to the economy of China. The Chinese economy has grown rapidly during the past several years and there is no assurance that this growth rate will be maintained. China may experience substantial rates of inflation or economic recessions, causing a negative effect on the economy and securities market. Delays in enterprise restructuring, slow development of well-functioning financial markets and widespread corruption have also hindered performance of the Chinese economy, and China continues to receive substantial pressure from trading partners to liberalize official currency exchange rates. Hong Kong reverted to Chinese sovereignty on July 1, 1997 as a Special Administrative Region of the People's Republic of China under the principle of “one country, two systems.” Although China is obligated to maintain the current capitalist economic and social system of Hong Kong through June 30, 2047, the continuation of economic and social freedoms enjoyed in Hong Kong is dependent on the government of China. Any attempt by China to tighten its control over Hong Kong's political, economic or social policies may result in an adverse effect on Hong Kong's economy. Any changes in the Chinese economy, trade regulations or currency exchange rates, or a tightening of China's control over Hong Kong, may have an adverse impact on Hong Kong's economy.

Indexing Strategy/Index Tracking Risk: The Fund is managed with an indexing investment strategy, attempting to track the performance of an unmanaged index of securities, regardless of the current or projected performance of the Index or of the actual securities comprising the Index. This differs from an actively-managed fund, which typically seeks to outperform a benchmark index. As a result, the Fund's performance may be less favorable than that of a portfolio managed using an active investment strategy. The structure and composition of the Index will affect the performance, volatility, and risk of the Index and, consequently, the performance, volatility, and risk of the Fund. When there are changes made to the component securities of the Index and the Fund in turn makes similar changes to its portfolio, any transaction costs and market exposure arising from such portfolio changes will be borne directly by the Fund and its shareholders. The Fund may recognize gains as a result of rebalancing or reconstituting its securities holdings to reflect changes in the securities included in the Index. The Fund also may be required to distribute any such gains to its shareholders to avoid adverse federal income tax consequences. While the Adviser seeks to track the performance of the Index (i.e., achieve a high degree of correlation with the Index), the Fund's return may not match the return of the Index. The Fund incurs a number of operating expenses not applicable to the Index, and incurs costs in buying and selling securities. In addition, the Fund may not be fully invested at times, generally as a result of cash flows into or out of the Fund or reserves of cash held by the Fund to meet redemptions. The Adviser may attempt to replicate the Index return by investing in fewer than all of the securities in the Index, or in some securities not included in the Index, potentially increasing the risk of divergence between the Fund's return and that of the Index.

Large-Capitalization Securities Risk: Returns on investments in securities of large companies could trail the returns on investments in securities of smaller and mid-sized companies. Larger companies may be unable to respond as quickly as smaller and mid-sized companies to competitive challenges or to changes in business, product, financial, or other market conditions. Larger companies may not be able to maintain growth at the high rates that may be achieved by well-managed smaller and mid-sized companies.

Market Risk: The Fund's investments are subject to changes in general economic conditions, and general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, and general market liquidity. The Fund is subject to the risk that geopolitical events will disrupt securities markets and adversely affect global economies and markets.

Mid-Capitalization Securities Risk: The securities of mid-capitalization companies may be more volatile and may involve more risk than the securities of larger companies. These companies may have limited product lines, markets or financial resources, may lack the competitive strength of larger companies, and may depend on a few key employees. In addition, these companies may have been recently organized and may have little or no track record of success. The securities of mid-sized companies may trade less frequently and in smaller volumes than more widely held securities. Some securities of mid-sized issuers may be illiquid or may be restricted as to resale, and their values may be volatile.

Non-Diversification Risk: As a “non-diversified” fund, the Fund may hold a smaller number of portfolio securities than many other funds. To the extent the Fund invests in a relatively small number of issuers, a decline in the market value of a particular security held by the Fund may affect its value more than if it invested in a larger number of issuers. The value of Fund Shares may be more volatile than the values of shares of more diversified funds.

Non-U.S. Securities Risk: Non-U.S. securities (including depositary receipts) are subject to political, regulatory, and economic risks not present in domestic investments. There may be less information publicly available about a non-U.S. entity than about a U.S. entity, and many non-U.S. entities are not subject to accounting, auditing, legal and financial report standards comparable to those in the United States. Further, such entities and/or their securities may be subject to risks associated with currency controls; expropriation; changes in tax policy; greater market volatility; differing securities market structures; higher transaction costs; and various administrative difficulties, such as delays in clearing and settling portfolio transactions or in receiving payment of dividends. To the extent underlying securities held by the Fund trade on foreign exchanges that are closed when the exchange on which the Fund's shares trade is open, there may be deviations between the current price of an underlying security and the last quoted price for the underlying security on the closed foreign market. These deviations could result in the Fund experiencing premiums or discounts greater than those of ETFs that invest in domestic securities. Securities traded on foreign markets may be less liquid (harder to sell) than securities traded domestically. Foreign governments may impose restrictions on the repatriation of capital to the U.S. In addition, to the extent that the Fund buys securities denominated in a foreign currency, there are special risks such as changes in currency exchange rates and the risk that a foreign government could regulate foreign exchange transactions. In addition, to the extent investments are made in a limited number of countries, events in those countries will have a more significant impact on the Fund. Investments in depositary receipts may be less liquid and more volatile than the underlying shares in their primary trading market.

Preferred Securities Risk: Generally, preferred security holders have no or limited voting rights with respect to the issuing company. In addition, preferred securities are subordinated to bonds and other debt instruments in a company's capital structure and therefore will be subject to greater credit risk than those debt instruments. Dividend payments on a preferred security typically must be declared by the issuer's board of directors. In the event an issuer of preferred securities experiences economic difficulties, the issuer's preferred securities may lose substantial value due to the reduced likelihood that the issuer's board of directors will declare a dividend and the fact that the preferred security may be subordinated to other securities of the same issuer. Further, because many preferred securities pay dividends at a fixed rate, their market price can be sensitive to changes in interest rates in a manner similar to bonds — that is, as interest rates rise, the value of the preferred securities held by the Fund are likely to decline. In addition, because many preferred securities allow holders to convert the preferred securities into common stock of the issuer, their market price can be sensitive to changes in the value of the issuer's common stock and, therefore, declining common stock values may also cause the value of the Fund's investments to decline. Preferred securities often have call features which allow the issuer to redeem the security at its discretion. The redemption of a preferred security having a higher than average yield may cause a decrease in the Fund's yield.

Real Estate Sector Risk: An investment in a real property company may be subject to risks similar to those associated with direct ownership of real estate, including, by way of example, the possibility of declines in the value of real estate, losses from casualty or condemnation, and changes in local and general economic conditions, supply and demand, interest rates, environmental liability, zoning laws, regulatory limitations on rents, property taxes, and operating expenses. Some real property companies have limited diversification because they invest in a limited number of properties, a narrow geographic area, or a single type of property.

REIT Risk: REITs are subject to the risks associated with investing in the real estate sector in general. In particular, a REIT may be affected by changes in the values of the properties that the REIT owns or operates or that underlie the mortgages or similar real estate interests in which the REIT invests. In addition, REITs may be affected by changes to interest rates or property taxes. Further, REITs are dependent upon specialized management skills, and their investments may be concentrated in relatively few properties, or in a small geographic area or a single property type. REITs are also subject to heavy cash flow dependency and, as a result, are particularly reliant on the proper functioning of capital markets. In addition, a REIT could fail to qualify for favorable tax or regulatory treatment. Smaller capitalization REITs may be more volatile and may involve more risk than larger capitalization REITs. Equity REITs earn income from leasing properties and realize gains and losses from the sale of properties, and are therefore subject to the risk of extended vacancies, limitations on rents, the failure to collect rents, and the costs of obtaining financing for purchasing real estate. Mortgage REITs receive principal and interest payments from the owners of mortgage properties and are therefore subject to the credit risk of borrowers, lack of mortgage funds, and prepayment on underlying mortgage loans.

Unconstrained Sector Risk: The Fund may invest a substantial portion of its assets within one or more economic sectors or industries, which may change from time to time. Greater investment focus on one or more sectors or industries increases the potential for volatility and the risk that events negatively affecting such sectors or industries could reduce returns, potentially causing the value of the Fund's shares to decrease, perhaps significantly.

Valuation Risk: Some portfolio holdings, potentially a large portion of the Fund's investment portfolio, may be valued on the basis of factors other than market quotations. This may occur more often in times of market turmoil or reduced liquidity. There are multiple methods that can be used to value a portfolio holding when market quotations are not readily available. The value established for any portfolio holding at a point in time might differ from what would be produced using a different methodology or if it had been priced using market quotations. Portfolio holdings that are valued using techniques other than market quotations, including “fair valued” securities, may be subject to greater fluctuation in their valuations from one day to the next than if market quotations were used. In addition, there is no assurance that the Fund could sell or close out a portfolio position for the value established for it at any time, and it is possible that the Fund would incur a loss because a portfolio position is sold or closed out at a discount to the valuation established by the Fund at that time. Investors who purchase or redeem Fund Shares on days when the Fund is holding fair-valued investments may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the Fund had not fair-valued the holding(s) or had used a different valuation methodology.

<b>FUND PERFORMANCE</b>

The Fund had not yet commenced operations as of the date of this Prospectus. Once the Fund has completed a full calendar year of operations, a bar chart and table will be included that will provide some indication of the risks of investing in the Fund by showing the variability of the Fund's returns based on net assets and comparing the Fund's performance to the Index. When available, updated performance information may be obtained by calling 1-866-787-2257 or visiting the Fund's website: https://www.spdrs.com.

[1] “Other expenses” are based on estimated amounts for the current fiscal year.

[2] SSGA Funds Management, Inc. (“SSGA FM” or the “Adviser”) has contractually agreed to waive a portion of its management fee and/or reimburse certain expenses, until January 31, 2020, so that the net annual Fund operating expenses of the Fund, before application of any fees and expenses not paid by the Adviser pursuant to the Investment Advisory Agreement, if any, are limited to 0.14% of the Fund's average daily net assets. The contractual fee waiver does not provide for the recoupment by the Adviser of any fees the Adviser previously waived. The Adviser may continue the waiver and/or reimbursement from year to year, but there is no guarantee that the Adviser will do so and the waiver and/or reimbursement may be cancelled or modified at any time after January 31, 2020. The waiver and/or reimbursement may not be terminated prior to January 31, 2020 except with the approval of the Fund's Board of Trustees.

XML

Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	SPDR INDEX SHARES FUNDS (Formerly streetTRACKS Index Shares Funds)
Prospectus Date	rr_ProspectusDate	Sep. 17, 2018
SPDR Solactive Hong Kong ETF
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	FUND SUMMARY<br/><br/><b>SPDR<sup>®</sup> Solactive Hong Kong ETF</b>
Objective [Heading]	rr_ObjectiveHeading	<b>INVESTMENT OBJECTIVE</b>
Objective, Primary [Text Block]	rr_ObjectivePrimaryTextBlock	The SPDR Solactive Hong Kong ETF (the “Fund”) seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of an index based upon the equity market of Hong Kong.
Expense [Heading]	rr_ExpenseHeading	<b>FEES AND EXPENSES OF THE FUND</b>
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	The table below describes the fees and expenses that you may pay if you buy and hold shares of the Fund (“Fund Shares”). This table and the Example below reflect the expenses of the Fund and do not reflect brokerage commissions you may pay on purchases and sales of Fund Shares.
Operating Expenses Caption [Text]	rr_OperatingExpensesCaption	<b>ANNUAL FUND OPERATING EXPENSES </b>(expenses that you pay each year as a percentage of the value of your investment):
Fee Waiver or Reimbursement over Assets, Date of Termination	rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination	January 31, 2020
Portfolio Turnover [Heading]	rr_PortfolioTurnoverHeading	<b>PORTFOLIO TURNOVER:</b>
Portfolio Turnover [Text Block]	rr_PortfolioTurnoverTextBlock	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. The Fund's portfolio turnover rate has been omitted because the Fund had not commenced investment operations as of the date of this Prospectus.
Expense Exchange Traded Fund Commissions [Text]	rr_ExpenseExchangeTradedFundCommissions	This table and the Example below reflect the expenses of the Fund and do not reflect brokerage commissions you may pay on purchases and sales of Fund Shares.
Other Expenses, New Fund, Based on Estimates [Text]	rr_OtherExpensesNewFundBasedOnEstimates	“Other expenses” are based on estimated amounts for the current fiscal year.
Expense Example [Heading]	rr_ExpenseExampleHeading	<b>EXAMPLE:</b>
Expense Example Narrative [Text Block]	rr_ExpenseExampleNarrativeTextBlock	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 sell all of your Fund 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. The Example reflects the Fund's contractual fee waiver and/or expense reimbursement only in the periods for which the contractual fee waiver and/or expense reimbursement is expected to continue. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading]	rr_StrategyHeading	<b>THE FUND'S PRINCIPAL INVESTMENT STRATEGY</b>
Strategy Narrative [Text Block]	rr_StrategyNarrativeTextBlock	In seeking to track the performance of the Solactive GBS Hong Kong Large & Mid Cap USD Index NTR (the “Index”), the Fund employs a sampling strategy, which means that the Fund is not required to purchase all of the securities represented in the Index. Instead, the Fund may purchase a subset of the securities in the Index in an effort to hold a portfolio of securities with generally the same risk and return characteristics of the Index. The quantity of holdings in the Fund will be based on a number of factors, including asset size of the Fund. Based on its analysis of these factors, SSGA Funds Management, Inc. (“SSGA FM” or the “Adviser”), the investment adviser to the Fund, may invest the Fund's assets in a subset of securities in the Index or may invest the Fund's assets in substantially all of the securities represented in the Index in approximately the same proportions as the Index. Under normal market conditions, the Fund generally invests substantially all, but at least 80%, of its total assets in the securities comprising the Index and in depositary receipts (including American Depositary Receipts (“ADRs”) or Global Depositary Receipts (“GDRs”)) based on securities comprising the Index. In addition, the Fund may invest in equity securities that are not included in the Index (including common stock, preferred stock, depositary receipts and shares of other investment companies), cash and cash equivalents or money market instruments, such as repurchase agreements and money market funds (including money market funds advised by the Adviser). The Index is a free float-adjusted market capitalization index that is designed to measure the equity market performance of large- and mid-cap companies in Hong Kong. A company's free float-adjusted market capitalization is calculated by multiplying the number of shares readily available in the market by the price of such shares. Companies with a larger free float-adjusted market capitalization make up a proportionally larger portion of the Index. The initial universe of securities eligible for inclusion in the Index include common stock, preferred stock, real estate investment trusts (“REITs”) and depositary receipts. To be eligible for inclusion in the Index, new and current components must meet the following criteria as of the rebalancing reference date: (i) be listed on an exchange in a developed country; (ii) have a minimum one- and six-month average daily trading value of $1,000,000 ($750,000 for current Index components); (iii) have a minimum trading volume of 100,000 (75,000 for current Index components) shares over the preceding one-month period and 600,000 (450,000 for current Index components) shares over the preceding six-month period; (iv) have a free float percentage (percentage of common shares outstanding readily available in the market) of at least 10% (7.5% for current Index components); and (v) have no more than 10 non-trading days over the preceding six-month period. Initial public offerings (“IPOs”) are eligible for inclusion in the Index, subject to similar criteria. Eligible securities are assigned to a country based on country of primary listing, incorporation, domicile and country of risk. All securities assigned to Hong Kong are then ranked by issuer market capitalization and the securities of approximately 85% of the largest issuers are included in the Index. The Index is reconstituted and rebalanced semi-annually on the first Wednesday in May and November. In addition, IPOs may be included on the first Wednesday in February and August. The rebalancing reference date is 20 business days prior to the rebalancing date. As of August 31, 2018, a significant portion of the Index comprised companies in the financial and real estate sectors, although this may change from time to time. As of August 31, 2018, the Index comprised 58 securities. The Index is sponsored by Solactive AG (the “Index Provider”), which is not affiliated with the Fund or the Adviser. The Index Provider determines the composition of the Index, relative weightings of the securities in the Index and publishes information regarding the market value of the Index.
Risk [Heading]	rr_RiskHeading	<b>PRINCIPAL RISKS OF INVESTING IN THE FUND</b>
Risk Narrative [Text Block]	rr_RiskNarrativeTextBlock	As with all investments, there are certain risks of investing in the Fund. Fund Shares will change in value, and you could lose money by investing in the Fund. An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Currency Risk: The value of the Fund's assets may be affected favorably or unfavorably by currency exchange rates, currency exchange control regulations, and delays, restrictions or prohibitions on the repatriation of foreign currencies. Foreign currency exchange rates may have significant volatility, and changes in the values of foreign currencies against the U.S. dollar may result in substantial declines in the values of the Fund's assets denominated in foreign currencies. Depositary Receipts Risk: Investments in depositary receipts may be less liquid and more volatile than the underlying securities in their primary trading market. If a depositary receipt is denominated in a different currency than its underlying securities, the Fund will be subject to the currency risk of both the investment in the depositary receipt and the underlying security. Holders of depositary receipts may have limited or no rights to take action with respect to the underlying securities or to compel the issuer of the receipts to take action. The prices of depositary receipts may differ from the prices of securities upon which they are based. To the extent the Fund invests in depositary receipts based on securities included in the Index, such differences in prices may increase index tracking risk. Equity Investing Risk: The market prices of equity securities owned by the Fund may go up or down, sometimes rapidly or unpredictably. The value of a security may decline for a number of reasons that may directly relate to the issuer and also may decline due to general industry or market conditions that are not specifically related to a particular company. In addition, equity markets tend to move in cycles, which may cause stock prices to fall over short or extended periods of time. Financial Sector Risk: Financial services companies are subject to extensive governmental regulation which may limit both the amounts and types of loans and other financial commitments they can make, the interest rates and fees they can charge, the scope of their activities, the prices they can charge and the amount of capital they must maintain. Profitability is largely dependent on the availability and cost of capital funds and can fluctuate significantly when interest rates change or due to increased competition. In addition, deterioration of the credit markets generally may cause an adverse impact in a broad range of markets, including U.S. and international credit and interbank money markets generally, thereby affecting a wide range of financial institutions and markets. Certain events in the financial sector may cause an unusually high degree of volatility in the financial markets, both domestic and foreign, and cause certain financial services companies to incur large losses. Securities of financial services companies may experience a dramatic decline in value when such companies experience substantial declines in the valuations of their assets, take action to raise capital (such as the issuance of debt or equity securities), or cease operations. Credit losses resulting from financial difficulties of borrowers and financial losses associated with investment activities can negatively impact the sector. Insurance companies may be subject to severe price competition. Adverse economic, business or political developments could adversely affect financial institutions engaged in mortgage finance or other lending or investing activities directly or indirectly connected to the value of real estate. Geographic Focus Risk: The performance of a fund that is less diversified across countries or geographic regions will be closely tied to market, currency, economic, political, environmental, or regulatory conditions and developments in the countries or regions in which the fund invests, and may be more volatile than the performance of a more geographically-diversified fund. Hong Kong: China is Hong Kong's largest trading partner, both in terms of exports and imports. The economy of Hong Kong is closely tied to the economy of China. The Chinese economy has grown rapidly during the past several years and there is no assurance that this growth rate will be maintained. China may experience substantial rates of inflation or economic recessions, causing a negative effect on the economy and securities market. Delays in enterprise restructuring, slow development of well-functioning financial markets and widespread corruption have also hindered performance of the Chinese economy, and China continues to receive substantial pressure from trading partners to liberalize official currency exchange rates. Hong Kong reverted to Chinese sovereignty on July 1, 1997 as a Special Administrative Region of the People's Republic of China under the principle of “one country, two systems.” Although China is obligated to maintain the current capitalist economic and social system of Hong Kong through June 30, 2047, the continuation of economic and social freedoms enjoyed in Hong Kong is dependent on the government of China. Any attempt by China to tighten its control over Hong Kong's political, economic or social policies may result in an adverse effect on Hong Kong's economy. Any changes in the Chinese economy, trade regulations or currency exchange rates, or a tightening of China's control over Hong Kong, may have an adverse impact on Hong Kong's economy. Indexing Strategy/Index Tracking Risk: The Fund is managed with an indexing investment strategy, attempting to track the performance of an unmanaged index of securities, regardless of the current or projected performance of the Index or of the actual securities comprising the Index. This differs from an actively-managed fund, which typically seeks to outperform a benchmark index. As a result, the Fund's performance may be less favorable than that of a portfolio managed using an active investment strategy. The structure and composition of the Index will affect the performance, volatility, and risk of the Index and, consequently, the performance, volatility, and risk of the Fund. When there are changes made to the component securities of the Index and the Fund in turn makes similar changes to its portfolio, any transaction costs and market exposure arising from such portfolio changes will be borne directly by the Fund and its shareholders. The Fund may recognize gains as a result of rebalancing or reconstituting its securities holdings to reflect changes in the securities included in the Index. The Fund also may be required to distribute any such gains to its shareholders to avoid adverse federal income tax consequences. While the Adviser seeks to track the performance of the Index (i.e., achieve a high degree of correlation with the Index), the Fund's return may not match the return of the Index. The Fund incurs a number of operating expenses not applicable to the Index, and incurs costs in buying and selling securities. In addition, the Fund may not be fully invested at times, generally as a result of cash flows into or out of the Fund or reserves of cash held by the Fund to meet redemptions. The Adviser may attempt to replicate the Index return by investing in fewer than all of the securities in the Index, or in some securities not included in the Index, potentially increasing the risk of divergence between the Fund's return and that of the Index. Large-Capitalization Securities Risk: Returns on investments in securities of large companies could trail the returns on investments in securities of smaller and mid-sized companies. Larger companies may be unable to respond as quickly as smaller and mid-sized companies to competitive challenges or to changes in business, product, financial, or other market conditions. Larger companies may not be able to maintain growth at the high rates that may be achieved by well-managed smaller and mid-sized companies. Market Risk: The Fund's investments are subject to changes in general economic conditions, and general market fluctuations and the risks inherent in investment in securities markets. Investment markets can be volatile and prices of investments can change substantially due to various factors including, but not limited to, economic growth or recession, changes in interest rates, changes in the actual or perceived creditworthiness of issuers, and general market liquidity. The Fund is subject to the risk that geopolitical events will disrupt securities markets and adversely affect global economies and markets. Mid-Capitalization Securities Risk: The securities of mid-capitalization companies may be more volatile and may involve more risk than the securities of larger companies. These companies may have limited product lines, markets or financial resources, may lack the competitive strength of larger companies, and may depend on a few key employees. In addition, these companies may have been recently organized and may have little or no track record of success. The securities of mid-sized companies may trade less frequently and in smaller volumes than more widely held securities. Some securities of mid-sized issuers may be illiquid or may be restricted as to resale, and their values may be volatile. Non-Diversification Risk: As a “non-diversified” fund, the Fund may hold a smaller number of portfolio securities than many other funds. To the extent the Fund invests in a relatively small number of issuers, a decline in the market value of a particular security held by the Fund may affect its value more than if it invested in a larger number of issuers. The value of Fund Shares may be more volatile than the values of shares of more diversified funds. Non-U.S. Securities Risk: Non-U.S. securities (including depositary receipts) are subject to political, regulatory, and economic risks not present in domestic investments. There may be less information publicly available about a non-U.S. entity than about a U.S. entity, and many non-U.S. entities are not subject to accounting, auditing, legal and financial report standards comparable to those in the United States. Further, such entities and/or their securities may be subject to risks associated with currency controls; expropriation; changes in tax policy; greater market volatility; differing securities market structures; higher transaction costs; and various administrative difficulties, such as delays in clearing and settling portfolio transactions or in receiving payment of dividends. To the extent underlying securities held by the Fund trade on foreign exchanges that are closed when the exchange on which the Fund's shares trade is open, there may be deviations between the current price of an underlying security and the last quoted price for the underlying security on the closed foreign market. These deviations could result in the Fund experiencing premiums or discounts greater than those of ETFs that invest in domestic securities. Securities traded on foreign markets may be less liquid (harder to sell) than securities traded domestically. Foreign governments may impose restrictions on the repatriation of capital to the U.S. In addition, to the extent that the Fund buys securities denominated in a foreign currency, there are special risks such as changes in currency exchange rates and the risk that a foreign government could regulate foreign exchange transactions. In addition, to the extent investments are made in a limited number of countries, events in those countries will have a more significant impact on the Fund. Investments in depositary receipts may be less liquid and more volatile than the underlying shares in their primary trading market. Preferred Securities Risk: Generally, preferred security holders have no or limited voting rights with respect to the issuing company. In addition, preferred securities are subordinated to bonds and other debt instruments in a company's capital structure and therefore will be subject to greater credit risk than those debt instruments. Dividend payments on a preferred security typically must be declared by the issuer's board of directors. In the event an issuer of preferred securities experiences economic difficulties, the issuer's preferred securities may lose substantial value due to the reduced likelihood that the issuer's board of directors will declare a dividend and the fact that the preferred security may be subordinated to other securities of the same issuer. Further, because many preferred securities pay dividends at a fixed rate, their market price can be sensitive to changes in interest rates in a manner similar to bonds — that is, as interest rates rise, the value of the preferred securities held by the Fund are likely to decline. In addition, because many preferred securities allow holders to convert the preferred securities into common stock of the issuer, their market price can be sensitive to changes in the value of the issuer's common stock and, therefore, declining common stock values may also cause the value of the Fund's investments to decline. Preferred securities often have call features which allow the issuer to redeem the security at its discretion. The redemption of a preferred security having a higher than average yield may cause a decrease in the Fund's yield. Real Estate Sector Risk: An investment in a real property company may be subject to risks similar to those associated with direct ownership of real estate, including, by way of example, the possibility of declines in the value of real estate, losses from casualty or condemnation, and changes in local and general economic conditions, supply and demand, interest rates, environmental liability, zoning laws, regulatory limitations on rents, property taxes, and operating expenses. Some real property companies have limited diversification because they invest in a limited number of properties, a narrow geographic area, or a single type of property. REIT Risk: REITs are subject to the risks associated with investing in the real estate sector in general. In particular, a REIT may be affected by changes in the values of the properties that the REIT owns or operates or that underlie the mortgages or similar real estate interests in which the REIT invests. In addition, REITs may be affected by changes to interest rates or property taxes. Further, REITs are dependent upon specialized management skills, and their investments may be concentrated in relatively few properties, or in a small geographic area or a single property type. REITs are also subject to heavy cash flow dependency and, as a result, are particularly reliant on the proper functioning of capital markets. In addition, a REIT could fail to qualify for favorable tax or regulatory treatment. Smaller capitalization REITs may be more volatile and may involve more risk than larger capitalization REITs. Equity REITs earn income from leasing properties and realize gains and losses from the sale of properties, and are therefore subject to the risk of extended vacancies, limitations on rents, the failure to collect rents, and the costs of obtaining financing for purchasing real estate. Mortgage REITs receive principal and interest payments from the owners of mortgage properties and are therefore subject to the credit risk of borrowers, lack of mortgage funds, and prepayment on underlying mortgage loans. Unconstrained Sector Risk: The Fund may invest a substantial portion of its assets within one or more economic sectors or industries, which may change from time to time. Greater investment focus on one or more sectors or industries increases the potential for volatility and the risk that events negatively affecting such sectors or industries could reduce returns, potentially causing the value of the Fund's shares to decrease, perhaps significantly. Valuation Risk: Some portfolio holdings, potentially a large portion of the Fund's investment portfolio, may be valued on the basis of factors other than market quotations. This may occur more often in times of market turmoil or reduced liquidity. There are multiple methods that can be used to value a portfolio holding when market quotations are not readily available. The value established for any portfolio holding at a point in time might differ from what would be produced using a different methodology or if it had been priced using market quotations. Portfolio holdings that are valued using techniques other than market quotations, including “fair valued” securities, may be subject to greater fluctuation in their valuations from one day to the next than if market quotations were used. In addition, there is no assurance that the Fund could sell or close out a portfolio position for the value established for it at any time, and it is possible that the Fund would incur a loss because a portfolio position is sold or closed out at a discount to the valuation established by the Fund at that time. Investors who purchase or redeem Fund Shares on days when the Fund is holding fair-valued investments may receive fewer or more shares or lower or higher redemption proceeds than they would have received if the Fund had not fair-valued the holding(s) or had used a different valuation methodology.
Risk Lose Money [Text]	rr_RiskLoseMoney	As with all investments, there are certain risks of investing in the Fund. Fund Shares will change in value, and you could lose money by investing in the Fund.
Risk Nondiversified Status [Text]	rr_RiskNondiversifiedStatus	<b>Non-Diversification Risk:</b> As a “non-diversified” fund, the Fund may hold a smaller number of portfolio securities than many other funds. To the extent the Fund invests in a relatively small number of issuers, a decline in the market value of a particular security held by the Fund may affect its value more than if it invested in a larger number of issuers. The value of Fund Shares may be more volatile than the values of shares of more diversified funds.
Risk Not Insured Depository Institution [Text]	rr_RiskNotInsuredDepositoryInstitution	An investment in the Fund is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Bar Chart and Performance Table [Heading]	rr_BarChartAndPerformanceTableHeading	<b>FUND PERFORMANCE</b>
Performance Narrative [Text Block]	rr_PerformanceNarrativeTextBlock	The Fund had not yet commenced operations as of the date of this Prospectus. Once the Fund has completed a full calendar year of operations, a bar chart and table will be included that will provide some indication of the risks of investing in the Fund by showing the variability of the Fund's returns based on net assets and comparing the Fund's performance to the Index. When available, updated performance information may be obtained by calling 1-866-787-2257 or visiting the Fund's website: https://www.spdrs.com.
Performance One Year or Less [Text]	rr_PerformanceOneYearOrLess	The Fund had not yet commenced operations as of the date of this Prospectus.
Performance Availability Phone [Text]	rr_PerformanceAvailabilityPhone	1-866-787-2257
Performance Availability Website Address [Text]	rr_PerformanceAvailabilityWebSiteAddress	https://www.spdrs.com
SPDR Solactive Hong Kong ETF | SPDR Solactive Hong Kong ETF
Risk/Return:	rr_RiskReturnAbstract
Management fees	rr_ManagementFeesOverAssets	0.20%
Distribution and service (12b-1) fees	rr_DistributionAndService12b1FeesOverAssets	none
Other expenses	rr_OtherExpensesOverAssets	none	[1]
Total annual Fund operating expenses	rr_ExpensesOverAssets	0.20%
Less contractual fee waiver	rr_FeeWaiverOrReimbursementOverAssets	(0.06%)	[2]
Net annual Fund operating expenses	rr_NetExpensesOverAssets	0.14%
Year 1	rr_ExpenseExampleYear01	$ 14
Year 3	rr_ExpenseExampleYear03	$ 58

[1] “Other expenses” are based on estimated amounts for the current fiscal year.

[2] SSGA Funds Management, Inc. (“SSGA FM” or the “Adviser”) has contractually agreed to waive a portion of its management fee and/or reimburse certain expenses, until January 31, 2020, so that the net annual Fund operating expenses of the Fund, before application of any fees and expenses not paid by the Adviser pursuant to the Investment Advisory Agreement, if any, are limited to 0.14% of the Fund's average daily net assets. The contractual fee waiver does not provide for the recoupment by the Adviser of any fees the Adviser previously waived. The Adviser may continue the waiver and/or reimbursement from year to year, but there is no guarantee that the Adviser will do so and the waiver and/or reimbursement may be cancelled or modified at any time after January 31, 2020. The waiver and/or reimbursement may not be terminated prior to January 31, 2020 except with the approval of the Fund's Board of Trustees.

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Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	SPDR INDEX SHARES FUNDS (Formerly streetTRACKS Index Shares Funds)
Prospectus Date	rr_ProspectusDate	Sep. 17, 2018
Document Creation Date	dei_DocumentCreationDate	Sep. 17, 2018