Ireland Population Pyramid 2021
Ireland in 2021
As of 2021, Ireland counted 5,028,425 inhabitants. A decade earlier, in 2011, the population was 4,579,602; it has grown by 9.8% since.
With a median age of 38.6 years, Ireland had a youth dependency ratio of 30.3 and an old-age dependency ratio of 22.7 per 100 people of working age. The near-vertical sides of the pyramid indicate a stationary age structure, with births roughly balancing the passage of cohorts into older age.
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 | 5,028,426 | 38.6 | |
| Norway | 5,408,091 | 40.3 | |
| Finland | 5,541,075 | 43.3 | |
| Denmark | 5,856,777 | 42.2 | |
| Lithuania | 2,794,488 | 44.0 |





