| 年份 | 户籍人口(万人) |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | 27.60 |
| 2017 | 28.30 |
| 2016 | 29.44 |
| 2015 | 29.98 |
| 2014 | 30.53 |
| 2013 | 30.93 |
| 2012 | 31.41 |
| 2011 | 31.77 |
| 2010 | 32.72 |
| 2009 | 32.79 |
| 2008 | 33.25 |
| 2007 | 33.60 |
| 2006 | 30.40 |
| 2005 | 30.70 |
| 2004 | 31.10 |
| 2003 | 31.40 |
| 2002 | 28.90 |
| 2001 | 32.98 |
| 2000 | 30.50 |
| 1999 |
