| 年份 | 户籍人口(万人) |
|---|---|
| 2025 | — |
| 2024 | — |
| 2023 | — |
| 2022 | — |
| 2021 | 28.5 |
| 2020 | 28.048 |
| 2019 | 27.887 |
| 2018 | 27.548 |
| 2017 | 27 |
| 2016 | 26 |
| 2015 | 27 |
| 2014 | 26.9 |
| 2013 | 26.2 |
| 2012 | 25.5 |
| 2011 | 24.6 |
| 2010 | 24.3 |
| 2009 | 23.5 |
| 2008 | 22 |
| 2007 | 20.7 |
| 2006 | 20.1 |
| 2005 | 19.6 |
| 2004 | 19 |
| 2003 | 17.62 |
| 2002 | 17.62 |
| 2001 | 17.8 |
| 2000 | 17.6 |
| 1999 | 16.63 |