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Annual Total Returns - Retirement Choices at 2035 Portfolio Class R6 [BarChart] link:presentationLink link:calculationLink link:definitionLink 000227 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Choices at 2035 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000228 - Document - Risk/Return Detail {Unlabeled} - Retirement Choices at 2035 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000229 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Choices at 2035 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000231 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Choices at 2030 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000232 - Schedule - Shareholder Fees {- Retirement Choices at 2030 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000233 - Schedule - Annual Fund Operating Expenses {- Retirement Choices at 2030 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000234 - Schedule - Expense Example {- Retirement Choices at 2030 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000235 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Choices at 2030 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000236 - Schedule - Annual Total Returns - Retirement Choices at 2030 Portfolio Class R6 [BarChart] link:presentationLink link:calculationLink link:definitionLink 000237 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Choices at 2030 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000238 - Document - Risk/Return Detail {Unlabeled} - Retirement Choices at 2030 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000239 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Choices at 2030 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000241 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Choices at 2025 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000242 - Schedule - Shareholder Fees {- Retirement Choices at 2025 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000243 - Schedule - Annual Fund Operating Expenses {- Retirement Choices at 2025 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000244 - Schedule - Expense Example {- Retirement Choices at 2025 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000245 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Choices at 2025 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000246 - Schedule - Annual Total Returns - Retirement Choices at 2025 Portfolio Class R6 [BarChart] link:presentationLink link:calculationLink link:definitionLink 000247 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Choices at 2025 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000248 - Document - Risk/Return Detail {Unlabeled} - Retirement Choices at 2025 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000249 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Choices at 2025 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000251 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Choices at 2020 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000252 - Schedule - Shareholder Fees {- Retirement Choices at 2020 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000253 - Schedule - Annual Fund Operating Expenses {- Retirement Choices at 2020 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000254 - Schedule - Expense Example {- Retirement Choices at 2020 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000255 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Choices at 2020 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000256 - Schedule - Annual Total Returns - Retirement Choices at 2020 Portfolio Class R6 [BarChart] link:presentationLink link:calculationLink link:definitionLink 000257 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Choices at 2020 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000258 - Document - Risk/Return Detail {Unlabeled} - Retirement Choices at 2020 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000259 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Choices at 2020 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000261 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Choices at 2015 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000262 - Schedule - Shareholder Fees {- Retirement Choices at 2015 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000263 - Schedule - Annual Fund Operating Expenses {- Retirement Choices at 2015 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000264 - Schedule - Expense Example {- Retirement Choices at 2015 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000265 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Choices at 2015 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000266 - Schedule - Annual Total Returns - Retirement Choices at 2015 Portfolio Class R6 [BarChart] link:presentationLink link:calculationLink link:definitionLink 000267 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Choices at 2015 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000268 - Document - Risk/Return Detail {Unlabeled} - Retirement Choices at 2015 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000269 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Choices at 2015 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000271 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Choices at 2010 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000272 - Schedule - Shareholder Fees {- Retirement Choices at 2010 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000273 - Schedule - Annual Fund Operating Expenses {- Retirement Choices at 2010 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000274 - Schedule - Expense Example {- Retirement Choices at 2010 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000275 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Choices at 2010 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000276 - Schedule - Annual Total Returns - Retirement Choices at 2010 Portfolio Class R6 [BarChart] link:presentationLink link:calculationLink link:definitionLink 000277 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Choices at 2010 Portfolio Class R6} link:presentationLink link:calculationLink link:definitionLink 000278 - Document - Risk/Return Detail {Unlabeled} - Retirement Choices at 2010 Portfolio Class R6 link:presentationLink link:calculationLink link:definitionLink 000279 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Choices at 2010 Portfolio Class R6 Shares link:presentationLink link:calculationLink link:definitionLink 000281 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2050 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000282 - Schedule - Shareholder Fees {- Retirement Living through 2050 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000283 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2050 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000284 - Schedule - Expense Example {- Retirement Living through 2050 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000285 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2050 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000286 - Schedule - Annual Total Returns - Retirement Living through 2050 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000287 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2050 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000288 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2050 Portfolio link:presentationLink link:calculationLink link:definitionLink 000289 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2050 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000291 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2045 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000292 - Schedule - Shareholder Fees {- Retirement Living through 2045 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000293 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2045 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000294 - Schedule - Expense Example {- Retirement Living through 2045 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000295 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2045 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000296 - Schedule - Annual Total Returns - Retirement Living through 2045 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000297 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2045 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000298 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2045 Portfolio link:presentationLink link:calculationLink link:definitionLink 000299 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2045 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000301 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2040 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000302 - Schedule - Shareholder Fees {- Retirement Living through 2040 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000303 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2040 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000304 - Schedule - Expense Example {- Retirement Living through 2040 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000305 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2040 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000306 - Schedule - Annual Total Returns - Retirement Living through 2040 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000307 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2040 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000308 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2040 Portfolio link:presentationLink link:calculationLink link:definitionLink 000309 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2040 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000311 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2035 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000312 - Schedule - Shareholder Fees {- Retirement Living through 2035 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000313 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2035 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000314 - Schedule - Expense Example {- Retirement Living through 2035 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000315 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2035 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000316 - Schedule - Annual Total Returns - Retirement Living through 2035 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000317 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2035 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000318 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2035 Portfolio link:presentationLink link:calculationLink link:definitionLink 000319 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2035 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000321 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2030 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000322 - Schedule - Shareholder Fees {- Retirement Living through 2030 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000323 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2030 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000324 - Schedule - Expense Example {- Retirement Living through 2030 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000325 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2030 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000326 - Schedule - Annual Total Returns - Retirement Living through 2030 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000327 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2030 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000328 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2030 Portfolio link:presentationLink link:calculationLink link:definitionLink 000329 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2030 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000331 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2025 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000332 - Schedule - Shareholder Fees {- Retirement Living through 2025 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000333 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2025 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000334 - Schedule - Expense Example {- Retirement Living through 2025 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000335 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2025 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000336 - Schedule - Annual Total Returns - Retirement Living through 2025 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000337 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2025 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000338 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2025 Portfolio link:presentationLink link:calculationLink link:definitionLink 000339 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2025 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000341 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2020 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000342 - Schedule - Shareholder Fees {- Retirement Living through 2020 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000343 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2020 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000344 - Schedule - Expense Example {- Retirement Living through 2020 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000345 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2020 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000346 - Schedule - Annual Total Returns - Retirement Living through 2020 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000347 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2020 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000348 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2020 Portfolio link:presentationLink link:calculationLink link:definitionLink 000349 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2020 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000351 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2015 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000352 - Schedule - Shareholder Fees {- Retirement Living through 2015 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000353 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2015 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000354 - Schedule - Expense Example {- Retirement Living through 2015 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000355 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2015 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000356 - Schedule - Annual Total Returns - Retirement Living through 2015 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000357 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2015 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000358 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2015 Portfolio link:presentationLink link:calculationLink link:definitionLink 000359 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2015 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000361 - Document - Risk/Return Summary {Unlabeled} - John Hancock Retirement Living through 2010 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink 000362 - Schedule - Shareholder Fees {- Retirement Living through 2010 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000363 - Schedule - Annual Fund Operating Expenses {- Retirement Living through 2010 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000364 - Schedule - Expense Example {- Retirement Living through 2010 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000365 - Schedule - Expense Example, No Redemption {Transposed} {- Retirement Living through 2010 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000366 - Schedule - Annual Total Returns - Retirement Living through 2010 Portfolio [BarChart] link:presentationLink link:calculationLink link:definitionLink 000367 - Schedule - Average Annual Total Returns {Transposed} {- Retirement Living through 2010 Portfolio} link:presentationLink link:calculationLink link:definitionLink 000368 - Document - Risk/Return Detail {Unlabeled} - Retirement Living through 2010 Portfolio link:presentationLink link:calculationLink link:definitionLink 000369 - Disclosure - Risk/Return Detail Data {Elements} - John Hancock Retirement Living through 2010 Portfolio Class R1, R2, R3, R4 and R5 Shares link:presentationLink link:calculationLink link:definitionLink