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Saint Kitts and Nevis' population is projected to have slipped past its peak: from a high of 55,810 in 1960, it is projected at 46,992 in 2026. It is growing modestly, at +0.13% a year. Settlement is fairly dense, at 181 people/km². Half the population is younger than 36.5 years, and the age structure is steadily tilting older: the median is projected to reach 43.9 by 2050. Women outnumber men, at 91 males per 100 females. By 2100, UN projections see it falling to 30,239 (-36% from 2026).
Total population
46,992
Density
181 people/km²
Median age
36.5 years
Growth rate
+0.13%
Saint Kitts and Nevis passed its population peak 66 years ago in 1960, and has since declined by 15.8%. The sex ratio of 91 males per 100 females is notably lower than the global average of ~101. The population is aging rapidly; median age will rise from 37 in 2026 to 44 by 2050. UN projections show a decline to 30.2K by 2100.