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By 2026, Iceland is projected to be home to 402,329 people. That is a 2.8-fold increase on the 142,667 recorded in 1950. It is growing modestly, at +0.92% a year, adding about 3.7K people a year. With only 4 people/km², it is one of the world's more sparsely settled countries. Half the population is younger than 36.6 years, and the age structure is steadily tilting older: the median is projected to reach 44.9 by 2050. The sexes are close to evenly balanced, at 105 males per 100 females. By 2100, UN projections see it falling to 362,582 (-10% from 2026).
Total population
402,329
Density
4 people/km²
Median age
36.6 years
Growth rate
+0.92%
Iceland's population continues to grow, though at a moderate pace. The population is aging rapidly; median age will rise from 37 in 2026 to 45 by 2050. Population density is low at 4 people per km².