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In 2026, Nauru's population is projected at 12,101. That is a 4-fold increase on the 3,407 recorded in 1950. It is growing modestly, at +0.64% a year. People are packed in tightly, at 605 people/km², among the most crowded places on Earth. Half the population is younger than 20.2 years, and the age structure is steadily tilting older: the median is projected to reach 25.7 by 2050. The sexes are close to evenly balanced, at 103 males per 100 females. By 2100, UN projections see it rising to 20,663, up 71% from 2026.
Total population
12,101
Density
605 people/km²
Median age
20.2 years
Growth rate
+0.64%
Nauru's population continues to grow, though at a moderate pace. The population is aging rapidly; median age will rise from 20 in 2026 to 26 by 2050. Population density is high at 605 people per km². UN projections show continued growth to 20.7K by 2100.