Population by age group in Ireland
Ireland: Population by age group was 806,826 people in 2023. ▲ Rising
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 806,826 people, measured in 2023. That is the highest value across all 74 years on record.
That represents a change of up 4.2% on the previous year and up 40.2% over ten years.
Over the whole period, population by age group in Ireland peaked at 806,826 people in 2023 and was at its lowest, 316,082 people, in 1959.
Ireland ranks 87th of 236 regions on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 74 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 317,296 people | 316,082 people | 319,215 people | 10 |
| 1960s | 321,671 people | 317,010 people | 327,801 people | 10 |
| 1970s | 342,641 people | 329,514 people | 363,279 people | 10 |
| 1980s | 381,194 people | 367,270 people | 397,831 people | 10 |
| 1990s | 411,130 people | 400,689 people | 422,222 people | 10 |
| 2000s | 456,704 people | 425,293 people | 501,829 people | 10 |
| 2010s | 607,243 people | 518,456 people | 702,202 people | 10 |
| 2020s | 763,010 people | 724,949 people | 806,826 people | 4 |
Countries ranked near Ireland
- 84 Guatemala 858,102 people compare
- 85 Dominican Republic 857,676 people compare
- 86 Azerbaijan 826,482 people compare
- 88 Cote d'Ivoire 800,143 people compare
- 89 Cameroon 787,243 people compare
- 90 Puerto Rico 783,335 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 806,826 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 806,826 people in 2023.
- What is the lowest population by age group recorded in Ireland?
- The lowest recorded value was 316,082 people in 1959.
- How does Ireland rank for population by age group?
- Ireland ranks 87th 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 up 40.2%. The long-run trend across the full record is rising.
- 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 65+.