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The Northern Mariana Islands' population is projected to have slipped past its peak: from a high of 68,356 in 2000, it is projected at 42,914 in 2026. That is a 6-fold increase on the 7,111 recorded in 1950. The population is shrinking by 1.30% a year. Population density sits at 94 people/km². Half the population is younger than 38.8 years, and the age structure is steadily tilting older: the median is projected to reach 39.7 by 2050. Men outnumber women in the population, at 113 males per 100 females. By 2100, UN projections see it falling to 41,611 (-3% from 2026).
Total population
42,914
Density
94 people/km²
Median age
38.8 years
Growth rate
-1.30%
The Northern Mariana Islands passed its population peak 26 years ago in 2000, and has since declined by 37.2%. The sex ratio of 113 males per 100 females is notably higher than the global average of ~101. The population is gradually aging, with median age projected to reach 40 by 2050 (up from 39 in 2026).