Sri Lanka population rate of natural increase (RNI) 1950 to 2100
| Year | Rate of Natural Increase | Population |
|---|---|---|
| 1985 | 1.861 | 15,847,023 |
| 1990 | 1.445 | 16,861,677 |
| 1995 | 1.347 | 17,941,066 |
| 2000 | 1.251 | 19,041,167 |
| 2005 | 1.28 | 20,102,989 |
| 2010 | 1.186 | 21,083,218 |
| 2015 | 0.979 | 22,052,143 |
| 2020 | 0.785 | 22,895,756 |
| 2024 | 0.682 | 23,460,488 |
| 2025 | 0.659 | 23,590,176 |
| 2026 | 0.639 | 23,715,920 |
| 2030 | 0.572 | 24,186,861 |
| 2035 | 0.493 | 24,706,443 |
| 2040 | 0.395 | 25,134,659 |
| 2045 | 0.275 | 25,437,022 |
| 2050 | 0.16 | 25,595,389 |
| 2055 | 0.075 | 25,627,216 |
| 2060 | 0.009 | 25,562,860 |
| 2065 | -0.05 | 25,420,872 |
| 2070 | -0.108 | 25,205,349 |
| 2075 | -0.166 | 24,916,549 |
| 2080 | -0.219 | 24,560,841 |
| 2085 | -0.26 | 24,152,092 |
| 2090 | -0.306 | 23,697,772 |
| 2095 | -0.359 | 23,191,471 |
| 2100 | -0.414 | 22,631,666 |
Data from US Census International Database