| 年份 | 65岁及以上人口比重(％) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | 19.458257713436 |
| 2022 | 19.169883814862 |
| 2021 | 18.916098940475 |
| 2020 | 18.722511900406 |
| 2019 | 18.530703049907 |
| 2018 | 18.322136123521 |
| 2017 | 18.143475320509 |
| 2016 | 17.973958590913 |
| 2015 | 17.798661095415 |
| 2014 | 17.581289874329 |
| 2013 | 17.300562373378 |
| 2012 | 16.952815090638 |
| 2011 | 16.597634416085 |
| 2010 | 16.6 |
| 2009 | — |
| 2008 | — |
| 2007 | — |
| 2006 | — |
| 2005 | — |