Saint Lucia population rate of natural increase (RNI) 1950 to 2100
| Year | Rate of Natural Increase | Population |
|---|---|---|
| 1980 | 2.515 | 122,477 |
| 1985 | 2.59 | 131,006 |
| 1990 | 1.855 | 137,561 |
| 1995 | 1.87 | 146,497 |
| 2000 | 1.36 | 153,305 |
| 2005 | 0.923 | 157,313 |
| 2010 | 0.77 | 160,619 |
| 2015 | 0.625 | 163,507 |
| 2020 | 0.465 | 166,141 |
| 2024 | 0.315 | 168,038 |
| 2025 | 0.276 | 168,462 |
| 2026 | 0.236 | 168,865 |
| 2030 | 0.069 | 170,206 |
| 2035 | -0.157 | 171,168 |
| 2040 | -0.377 | 171,166 |
| 2045 | -0.611 | 170,100 |
| 2050 | -0.864 | 167,817 |
| 2055 | -1.118 | 163,985 |
| 2060 | -1.353 | 158,637 |
| 2065 | -1.56 | 151,999 |
| 2070 | -1.733 | 144,586 |
| 2075 | -1.883 | 136,388 |
| 2080 | -2.014 | 127,917 |
| 2085 | -2.118 | 119,011 |
| 2090 | -2.156 | 110,279 |
| 2095 | -2.168 | 102,189 |
| 2100 | -2.149 | 94,780 |
Data from US Census International Database