Demographics of the population of Saint Kitts and Nevis include population density, ethnicity, religious affiliations and other aspects.
| Year | Pop. | ±% p.a. |
|---|---|---|
| 1871 | 39,872 | — |
| 1881 | 41,100 | +0.30% |
| 1891 | 44,000 | +0.68% |
| 1901 | 42,600 | −0.32% |
| 1911 | 39,200 | −0.83% |
| 1921 | 34,000 | −1.41% |
| 1946 | 41,200 | +0.77% |
| 1960 | 51,100 | +1.55% |
| 1970 | 44,880 | −1.29% |
| 1981 | 43,309 | −0.32% |
| 1991 | 40,613 | −0.64% |
| 2001 | 46,325 | +1.32% |
| 2011 | 46,398 | +0.02% |
| Source:[1][2] | ||