Population by age group in Ireland
Ireland: Population by age group was 293,493 people in 2023. ▬ Flat
Population by age group in Ireland, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in people.
Analysis
The most recent figure for population by age group in Ireland is 293,493 people, 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 age group in Ireland peaked at 356,031 people in 2012 and was at its lowest, 251,354 people, in 1996.
That places Ireland 129th out of 236 regions with data for 2023, putting it in the middle of the range.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 301,367 people | 293,421 people | 310,280 people | 10 |
| 1960s | 307,234 people | 295,800 people | 314,801 people | 10 |
| 1970s | 332,894 people | 312,485 people | 344,034 people | 10 |
| 1980s | 331,802 people | 289,926 people | 355,557 people | 10 |
| 1990s | 261,808 people | 251,354 people | 280,315 people | 10 |
| 2000s | 297,862 people | 267,763 people | 337,807 people | 10 |
| 2010s | 337,765 people | 313,801 people | 356,031 people | 10 |
| 2020s | 301,007 people | 293,493 people | 307,873 people | 4 |
Countries ranked near Ireland
- 126 New Zealand 298,070 people compare
- 127 Guinea-Bissau 297,297 people compare
- 128 Botswana 293,659 people compare
- 130 Costa Rica 284,205 people compare
- 131 Slovakia 283,056 people compare
- 132 Norway 276,510 people compare
More population data for Ireland
- Population growth rate, by level of development -0.5% (2100)
- Number of children under 5, by world region 217,052 people (2100)
- Population density 76.73 people per km² (2100)
- World population growth -0.5% (2100)
- Total fertility rate vs. wanted fertility rate 1.47 births per woman (2024)
- Refugees by country of asylum 124,730 people (2024)
- Fertility rate vs. unmet need for contraception 1.47 births per woman (2024)
- Total fertility rate vs. contraceptive prevalence 1.47 births per woman (2024)
- Natural population growth rate 0.3% (2023)
- Fertility rate: births per woman 1.6 live births per woman (2023)
Frequently asked questions
- What is population by age group in Ireland?
- Population by age group in Ireland was 293,493 people in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest population by age group recorded in Ireland?
- The highest recorded value was 356,031 people in 2012.
- What is the lowest population by age group recorded in Ireland?
- The lowest recorded value was 251,354 people in 1996.
- How does Ireland rank for population by age group?
- Ireland ranks 129th out of 236 regions with data for 2023.
- Is population by 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 UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Population by age group. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The total population, measured on 1 July of the year shown. This only includes people aged 0-4.