Population and Demographics of Saint Kitts and Nevis
Population changed +0.18% in 2024 · median age 36 years
Saint Kitts and Nevis's latest population change is +0.18% a year, and the 65-plus group accounts for 11.23% of residents. The 6.96-point difference between the under-15 and 65-plus shares shows how strongly the age balance leans younger. Under the UN medium scenario, the 2050 total is 44.2 thousand, a 5.6% decrease from 2024.
Population Over Time in Saint Kitts and Nevis
Since 2000, Saint Kitts and Nevis's population has grown from 0.045M to 0.047M, a net shift of about 0.00 million. For 2050, the medium projection is 0.044M. That is a difference of about 0.00 million people from the 2024 estimate. The chart connects dated reference points only and should not be read as an annual interpolated series.
Age Structure and Sex Balance
Age composition is an important part of Saint Kitts and Nevis's demographic picture in 2024. Children under 15 make up 18.19% of the population, compared with 11.23% aged 65 or older, and 70.58% are 15 to 64. The age balance is weighted toward younger residents.
Population by broad age group
The 2024 World Bank sex-share indicator gives Saint Kitts and Nevis a female share of 52.1% and a male share of 47.9%. Females exceed males by 4.2 percentage points.
Female and male population share
Females made up 52.1% of the population in the World Bank's 2024 series, compared with 47.9% males.
What Is Shaping Population Change
Current momentum in Saint Kitts and Nevis combines +0.18% population change with fertility at 1.5, with younger residents at 18.19% and older residents at 11.23% of the total.
The 2024 total in Saint Kitts and Nevis stands 3.5% above the 2000 reference, followed by -5.6% projected change from 2024 to 2050; the figures describe direction, not a causal split between migration and natural change.
2024 estimate for Saint Kitts and Nevis. The world comparison value is 2.25 children per woman.
Saint Kitts and Nevis vs. World
The world comparison highlights three contrasts for Saint Kitts and Nevis. Annual change is +0.18% versus +0.87% globally, fertility is 1.5 versus 2.25, and median age is 36 versus 30.6 years.
| Indicator | Saint Kitts and Nevis | World | Year |
|---|---|---|---|
| Annual population change | +0.18% | +0.87% | 2024 |
| Total fertility rate | 1.5 | 2.25 | 2024 |
| Median age | 36 | 30.6 | 2024 |
The comparison is intentionally narrow: each row uses the 2024 country table and its matching world value rather than mixing sources or observation years.
Key Takeaways
At 0.047M, the 2024 population is paired with an annual change rate of +0.18%.
Age structure is a key feature of the profile: 18.19% are under 15 and 11.23% are 65 or older.
The World Bank 2024 sex-share series is 52.1% female and 47.9% male.
On the medium path, 2050 reaches 0.044M, a -5.5% shift from the 2024 level.
Frequently Asked Questions
What is the population of Saint Kitts and Nevis?
The 2024 harmonized population estimate for Saint Kitts and Nevis is 46,843 people.
Is the population of Saint Kitts and Nevis growing or declining?
In the 2024 estimate, Saint Kitts and Nevis's population is growing, with annual change of +0.18%.
What percentage of the population of Saint Kitts and Nevis is aged 65 or older?
People aged 65 or older account for 11.23% of Saint Kitts and Nevis's 2024 population in the UN WPP-based broad age data.
What is the projected population of Saint Kitts and Nevis in 2050?
The UN World Population Prospects 2024 medium projection puts Saint Kitts and Nevis's 2050 population at 44,249.
What is the fertility rate in Saint Kitts and Nevis?
The 2024 harmonized fertility estimate for Saint Kitts and Nevis is 1.5 children per woman.
Sources & methodology
This profile uses United Nations World Population Prospects 2024 as the primary framework for globally comparable population, age, fertility and projection data. The World Bank is the primary source for the female population share. Some country values were accessed through secondary retrieval interfaces that republish or organize UN data; those interfaces are identified below as secondary and are not treated as the original statistical publishers.
View sources used for this page
Primary global framework for the population estimates and projections.
Harmonized 2024 country table based on UN World Population Prospects 2024.
Harmonized broad age shares based on UN World Population Prospects 2024.
Harmonized reference for the 2000 population point.
Harmonized 2050 country projection based on UN World Population Prospects 2024.
Used for the 2024 female share; the male share is calculated as the remainder to 100%.