Population by five year age group in Ireland

Ireland: Population by five year age group was 293,493 in 2023. ▬ Flat

Latest (2023)
293,493
Change on year
down 2.0%
World rank
129th
of 236 countries
All-time high
356,031
in 2012
All-time low
251,354
in 1996
Years of data
74
1950–2023

Population by five year age group in Ireland, 1950–2023

0100.0k200.0k300.0k400.0k195019862023

Source: Our World in Data.

Analysis

The most recent figure for population by five year age group in Ireland is 293,493, measured in 2023.

The figure is down 2.0% on the previous year and down 16.4% over ten years.

Over the whole period, population by five year age group in Ireland peaked at 356,031 in 2012 and was at its lowest, 251,354, in 1996.

That places Ireland 129th out of 236 countries with data for 2023, putting it in the middle of the range.

Population by five year age group in Ireland, year by year

Annual values for Population by five year age group in Ireland, 1950 to 2023.
Year Value Change
1950 309,889 —
1951 310,280 +0.1%
1952 308,321 -0.6%
1953 305,212 -1.0%
1954 301,761 -1.1%
1955 298,750 -1.0%
1956 296,632 -0.7%
1957 295,388 -0.4%
1958 294,017 -0.5%
1959 293,421 -0.2%
1960 295,800 +0.8%
1961 298,936 +1.1%
1962 300,753 +0.6%
1963 303,711 +1.0%
1964 307,924 +1.4%
1965 312,131 +1.4%
1966 314,801 +0.9%
1967 314,535 -0.1%
1968 312,529 -0.6%
1969 311,216 -0.4%
1970 312,485 +0.4%
1971 316,904 +1.4%
1972 323,490 +2.1%
1973 330,753 +2.2%
1974 336,860 +1.8%
1975 340,149 +1.0%
1976 341,209 +0.3%
1977 341,263 +0.0%
1978 341,788 +0.2%
1979 344,034 +0.7%
1980 348,519 +1.3%
1981 353,193 +1.3%
1982 355,557 +0.7%
1983 354,120 -0.4%
1984 346,543 -2.1%
1985 334,496 -3.5%
1986 322,733 -3.5%
1987 312,075 -3.3%
1988 300,860 -3.6%
1989 289,926 -3.6%
1990 280,315 -3.3%
1991 273,207 -2.5%
1992 268,141 -1.9%
1993 263,549 -1.7%
1994 259,012 -1.7%
1995 254,625 -1.7%
1996 251,354 -1.3%
1997 251,384 +0.0%
1998 255,323 +1.6%
1999 261,175 +2.3%
2000 267,763 +2.5%
2001 273,785 +2.2%
2002 279,390 +2.0%
2003 285,642 +2.2%
2004 291,867 +2.2%
2005 297,768 +2.0%
2006 304,408 +2.2%
2007 314,130 +3.2%
2008 326,063 +3.8%
2009 337,807 +3.6%
2010 348,527 +3.2%
2011 355,502 +2.0%
2012 356,031 +0.1%
2013 351,038 -1.4%
2014 343,824 -2.1%
2015 336,677 -2.1%
2016 329,920 -2.0%
2017 323,699 -1.9%
2018 318,628 -1.6%
2019 313,801 -1.5%
2020 307,873 -1.9%
2021 303,159 -1.5%
2022 299,502 -1.2%
2023 293,493 -2.0%

Ireland compared with similar countries

  • Ireland's 293,493 is above the median for high income countries, which is 127,928, 2.3× the median. (85 countries reporting)
  • Ireland's 293,493 is below the median for Europe & Central Asia, which is 308,498, 95% of the median. (56 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1950s 301,367 293,421 310,280 10
1960s 307,234 295,800 314,801 10
1970s 332,894 312,485 344,034 10
1980s 331,802 289,926 355,557 10
1990s 261,808 251,354 280,315 10
2000s 297,862 267,763 337,807 10
2010s 337,765 313,801 356,031 10
2020s 301,007 293,493 307,873 4

Countries ranked near Ireland

  1. 126 New Zealand 298,070 compare
  2. 127 Guinea-Bissau 297,297 compare
  3. 128 Botswana 293,659 compare
  4. 130 Costa Rica 284,205 compare
  5. 131 Slovakia 283,056 compare
  6. 132 Norway 276,510 compare

See the full ranking of 236 places →

More population data for Ireland

All data for Ireland →

Frequently asked questions

What is population by five year age group in Ireland?
Population by five year age group in Ireland was 293,493 in 2023, according to Our World in Data.
What is the highest population by five year age group recorded in Ireland?
The highest recorded value was 356,031 in 2012.
What is the lowest population by five year age group recorded in Ireland?
The lowest recorded value was 251,354 in 1996.
How does Ireland rank for population by five year age group?
Ireland ranks 129th out of 236 countries with data for 2023.
Is population by five year age group rising or falling in Ireland?
Over the last ten years it is down 16.4%. The long-run trend across the full record is flat.
Where does this Ireland data come from?
The figures come from Our World in Data, published as part of Population by five year age group. Statizoid updates them automatically from the source API.

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Population by five year age group in Ireland. Statizoid, drawing on Our World in Data. Retrieved 11 November 2026, from https://population.statizoid.com/stat/population-by-five-year-age-group/ireland/

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About this data

Indicator
Population by five year age group
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed