Population on 1 January by age, sex and group of country of birth in Ireland

Ireland: Population on 1 January by age, sex and group of country of birth was 5.44 million in 2025. ▲ Rising

Latest (2025)
5.44 million
Change on year
up 1.7%
World rank
25th
of 43 countries
All-time high
5.44 million
in 2025
All-time low
3.69 million
in 1998
Years of data
23
1998–2025

Population on 1 January by age, sex and group of country of birth in Ireland, 1998–2025

02.0M4.0M6.0M1998201120251998: 3.7M1999: 3.7M2000: 3.8M2001: 3.8M2007: 4.3M2008: 4.5M2009: 4.5M2010: 4.5M2011: 4.6M2012: 4.6M2013: 4.6M2014: 4.6M2015: 4.7M2016: 4.7M2017: 4.8M2018: 4.9M2019: 4.9M2020: 5.0M2021: 5.1M2022: 5.2M2023: 5.3M2024: 5.4M2025: 5.4M

Source: Eurostat.

Analysis

Ireland recorded 5.44 million for population on 1 january by age, sex and group of country of birth in 2025. That is the highest value across all 23 years on record.

That represents a change of up 1.7% on the previous year and up 16.3% over ten years.

Over the whole period, population on 1 january by age, sex and group of country of birth in Ireland peaked at 5.44 million in 2025 and was at its lowest, 3.69 million, in 1998.

Ireland ranks 25th of 43 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 23 years of available data.

Population on 1 January by age, sex and group of country of birth in Ireland, year by year

Annual values for Population on 1 January by age, sex and group of country of birth in Ireland, 1998 to 2025.
Year Value Change
1998 3.69 million —
1999 3.73 million +1.0%
2000 3.78 million +1.2%
2001 3.83 million +1.5%
2007 4.34 million +13.2%
2008 4.46 million +2.7%
2009 4.52 million +1.4%
2010 4.55 million +0.6%
2011 4.57 million +0.5%
2012 4.59 million +0.4%
2013 4.61 million +0.4%
2014 4.64 million +0.6%
2015 4.68 million +0.9%
2016 4.73 million +1.0%
2017 4.80 million +1.5%
2018 4.86 million +1.2%
2019 4.94 million +1.7%
2020 5.01 million +1.5%
2021 5.07 million +1.1%
2022 5.15 million +1.7%
2023 5.27 million +2.3%
2024 5.35 million +1.5%
2025 5.44 million +1.7%

Ireland compared with similar countries

  • Ireland's 5.44 million is below the median for Europe & Central Asia, which is 9.05 million, 60% of the median. (31 countries reporting)
  • Ireland's 5.44 million is below the median for high income countries, which is 7.74 million, 70% of the median. (32 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 3.71 million 3.69 million 3.73 million 2
2000s 4.19 million 3.78 million 4.52 million 5
2010s 4.70 million 4.55 million 4.94 million 10
2020s 5.22 million 5.01 million 5.44 million 6

Countries ranked near Ireland

  1. 22 Denmark 5.99 million compare
  2. 23 Finland 5.64 million compare
  3. 24 Norway 5.59 million compare
  4. 26 Slovakia 5.42 million compare
  5. 26 Slovakia 5.42 million compare
  6. 28 Croatia 3.87 million compare
  7. 28 Croatia 3.87 million compare

See the full ranking of 44 places →

More population data for Ireland

All data for Ireland →

Frequently asked questions

What is population on 1 january by age, sex and group of country of birth in Ireland?
Population on 1 january by age, sex and group of country of birth in Ireland was 5.44 million in 2025, according to Eurostat.
What is the highest population on 1 january by age, sex and group of country of birth recorded in Ireland?
The highest recorded value was 5.44 million in 2025.
What is the lowest population on 1 january by age, sex and group of country of birth recorded in Ireland?
The lowest recorded value was 3.69 million in 1998.
How does Ireland rank for population on 1 january by age, sex and group of country of birth?
Ireland ranks 25th out of 43 countries with data for 2025.
Is population on 1 january by age, sex and group of country of birth rising or falling in Ireland?
Over the last ten years it is up 16.3%. The long-run trend across the full record is rising.
Where does this Ireland data come from?
The figures come from Eurostat, published as part of Population on 1 January by age, sex and group of country of birth. Statizoid updates them automatically from the source API.

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Population on 1 January by age, sex and group of country of birth in Ireland. Statizoid, drawing on Eurostat. Retrieved 12 November 2026, from https://population.statizoid.com/stat/population-on-1-january-by-age-sex-and-group-of-country-of-birth/ireland/

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About this data

Indicator
Population on 1 January by age, sex and group of country of birth
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
44 places, 1,040 data points, 1998–2025
Last refreshed