Population on 1 January by age, sex and legal marital status in Ireland
Ireland: Population on 1 January by age, sex and legal marital status was 5.44 million in 2025. ▲ Rising
Latest (2025)
5.44 million
Change on year
up 3.2%
World rank
19th
of 36 countries
All-time high
5.44 million
in 2025
All-time low
4.80 million
in 2017
Years of data
8
2017–2025
Population on 1 January by age, sex and legal marital status in Ireland, 2017–2025
Source: Eurostat.
Analysis
The most recent figure for population on 1 january by age, sex and legal marital status in Ireland is 5.44 million, measured in 2025. That is the highest value across all 8 years on record.
The figure is up 3.2% on the previous year and up 13.4% over ten years.
Over the whole period, population on 1 january by age, sex and legal marital status in Ireland peaked at 5.44 million in 2025 and was at its lowest, 4.80 million, in 2017.
Ireland ranks 19th of 36 countries on this measure, in the middle of the range.
Population on 1 January by age, sex and legal marital status in Ireland, year by year
| Year | Value | Change |
|---|---|---|
| 2017 | 4.80 million | — |
| 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% |
| 2025 | 5.44 million | +3.2% |
Ireland compared with similar countries
- Ireland's 5.44 million is below the median for Europe & Central Asia, which is 5.99 million, 91% of the median. (25 countries reporting)
- Ireland's 5.44 million is below the median for high income countries, which is 5.64 million, 97% of the median. (25 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 4.87 million | 4.80 million | 4.94 million | 3 |
| 2020s | 5.19 million | 5.01 million | 5.44 million | 5 |
Countries ranked near Ireland
More population data for Ireland
- Population regions with projections, annual growth rate -0.4488 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate -1.68 % change on previous year (2050)
- Population long run with projections, annual growth rate -0.4488 % change on previous year (2100)
- Un population 2024 vs 2022, annual growth rate -0.1157 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 5,725 Persons (2050)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population 0.5372 Percent per annum (2030)
- Projected population under age 5, annual growth rate -0.1844 % change on previous year (2100)
- Population growth rate -0.455 (2100)
- Population density 76.73 (2100)
- Projected population under age 5 217,052 (2100)
Frequently asked questions
- What is population on 1 january by age, sex and legal marital status in Ireland?
- Population on 1 january by age, sex and legal marital status in Ireland was 5.44 million in 2025, according to Eurostat.
- What is the highest population on 1 january by age, sex and legal marital status 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 legal marital status recorded in Ireland?
- The lowest recorded value was 4.80 million in 2017.
- How does Ireland rank for population on 1 january by age, sex and legal marital status?
- Ireland ranks 19th out of 36 countries with data for 2025.
- Is population on 1 january by age, sex and legal marital status rising or falling in Ireland?
- Over the last ten years it is up 13.4%. 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 legal marital status. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 8 observations, free to reuse under CC BY 4.0 (Eurostat).