| 各省域65岁及以上年龄人口比重（%） | 内蒙古 |
|---|---|
| 2000 | 5.51 |
| 2001 | 6.32 |
| 2002 | 7.14 |
| 2003 | 7.64 |
| 2004 | 7.47 |
| 2005 | 7.93 |
| 2006 | 7.79 |
| 2007 | 8.17 |
| 2008 | 8.11 |
| 2009 | 8.46 |
| 2010 | 7.56 |
| 2011 | 6.89 |
| 2012 | 7.87 |
| 2013 | 8.55 |
| 2014 | 9.33 |
| 2015 | 9.56 |
| 2016 | 9.44 |
| 2017 | 10.84 |
| 2018 | 9.85 |
| 2019 | 10.20 |
| 2020 | 13.05 |
| 2021 | 13.84 |
| 2022 | 14.69 |
| 2023 | 15.45 |
| 2024 | 16.04 |