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By 2026, Ireland is projected to be home to 5,356,950 people. That is a 1.8-fold increase on the 2,912,654 recorded in 1950. It is growing modestly, at +0.88% a year, adding about 47K people a year. Population density sits at 78 people/km². Half the population is younger than 39.2 years, and the age structure is steadily tilting older: the median is projected to reach 42.9 by 2050. The sexes are close to evenly balanced, at 98 males per 100 females. By 2100, UN projections see it falling to 5,286,120 (-1% from 2026).
Total population
5,356,950
Density
78 people/km²
Median age
39.2 years
Growth rate
+0.88%
Ireland's population continues to grow, though at a moderate pace. The population is gradually aging, with median age projected to reach 43 by 2050 (up from 39 in 2026).