| 年份 | 总抚养比 | 
| 2020 | 0.423734176 | 
| 2021 | 0.434890265 | 
| 2022 | 0.446453826 | 
| 2023 | 0.458441214 | 
| 2024 | 0.470869378 | 
| 2025 | 0.483755886 | 
| 2026 | 0.497118932 | 
| 2027 | 0.510977351 | 
| 2028 | 0.525350641 | 
| 2029 | 0.540258968 |