Ireland Population Pyramid (1950–2100)
Ireland in 2026
In 2026, Ireland has an estimated population of 5,356,950 people. That is 12.7% more than in 2016, when the population stood at 4,753,503.
Half of the population is younger than 40.2 years; 17.6% are children under 15 and 16.5% are 65 or older. This is a stationary pyramid — similar numbers in each age group up to the older cohorts, the signature of near-replacement fertility.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of Ireland was 1.50 births per woman in 2023, under the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 82.9 years in 2023: 84.5 for women and 81.3 for men.
Source: World Bank World Development Indicators, latest available year.
1,034,444 immigrants live in Ireland, 19.7% of the population.
| United Kingdom | 293,559 |
| Ukraine | 125,016 |
| Poland | 102,708 |
| India | 70,228 |
| Brazil | 48,605 |
712,129 people born in Ireland live in other countries.
| United Kingdom | 360,446 |
| United States of America | 125,844 |
| Australia | 90,203 |
| Poland | 34,300 |
| Canada | 28,912 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Ireland | 5,356,950 | 40.2 | |
| Finland | 5,621,739 | 44.4 | |
| Norway | 5,652,989 | 41.1 | |
| Denmark | 6,023,521 | 42.4 | |
| Lithuania | 2,797,338 | 43.7 |





