| 年份 | 幼儿抚养比 | 老年抚养比 | 年底总人口数(/万人) |
| 2009 | 30.8 | 12.3 | 4571 |
| 2010 | 28.85 | 11.45 | 4602 |
| 2011 | 26.9 | 10.6 | 4631 |
| 2012 | 26.9 | 10.7 | 4659 |
| 2013 | 27.8 | 11.1 | 4686.6 |
| 2014 | 26.2 | 12.1 | 4713.9 |
| 2015 | 26.4 | 11.6 | 4741.8 |
| 2016 | 27.1 | 11.6 | 4770.5 |
| 2017 | 26.1 | 11.6 | 4801 |
| 2018 | 25 | 13 | 4829.5 |
| 2019 | 25 | 13.7 | 4858.3 |