Population on 1 January by age group, sex and citizenship in Ireland
Ireland: Population on 1 January by age group, sex and citizenship was 5.44 million Number in 2025. ▲ Rising
Latest (2025)
5.44 million Number
Change on year
up 1.7%
World rank
25th
of 42 countries
All-time high
5.44 million Number
in 2025
All-time low
3.69 million Number
in 1998
Years of data
28
1998–2025
Population on 1 January by age group, sex and citizenship in Ireland, 1998–2025
Source: Eurostat. Measured in Number.
Analysis
Ireland recorded 5.44 million Number for population on 1 january by age group, sex and citizenship in 2025. That is the highest value across all 28 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 group, sex and citizenship in Ireland peaked at 5.44 million Number in 2025 and was at its lowest, 3.69 million Number, in 1998.
Ireland ranks 25th of 42 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 28 years of available data.
Population on 1 January by age group, sex and citizenship in Ireland, year by year
| Year | Number | Change |
|---|---|---|
| 1998 | 3.69 million Number | — |
| 1999 | 3.73 million Number | +1.0% |
| 2000 | 3.78 million Number | +1.2% |
| 2001 | 3.83 million Number | +1.5% |
| 2002 | 3.90 million Number | +1.7% |
| 2003 | 3.96 million Number | +1.7% |
| 2004 | 4.03 million Number | +1.6% |
| 2005 | 4.11 million Number | +2.1% |
| 2006 | 4.21 million Number | +2.3% |
| 2007 | 4.34 million Number | +3.1% |
| 2008 | 4.46 million Number | +2.7% |
| 2009 | 4.52 million Number | +1.4% |
| 2010 | 4.55 million Number | +0.6% |
| 2011 | 4.57 million Number | +0.5% |
| 2012 | 4.59 million Number | +0.4% |
| 2013 | 4.61 million Number | +0.4% |
| 2014 | 4.64 million Number | +0.6% |
| 2015 | 4.68 million Number | +0.9% |
| 2016 | 4.73 million Number | +1.0% |
| 2017 | 4.80 million Number | +1.5% |
| 2018 | 4.86 million Number | +1.2% |
| 2019 | 4.94 million Number | +1.7% |
| 2020 | 5.01 million Number | +1.5% |
| 2021 | 5.07 million Number | +1.1% |
| 2022 | 5.15 million Number | +1.7% |
| 2023 | 5.27 million Number | +2.3% |
| 2024 | 5.35 million Number | +1.5% |
| 2025 | 5.44 million Number | +1.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 3.71 million Number | 3.69 million Number | 3.73 million Number | 2 |
| 2000s | 4.11 million Number | 3.78 million Number | 4.52 million Number | 10 |
| 2010s | 4.70 million Number | 4.55 million Number | 4.94 million Number | 10 |
| 2020s | 5.22 million Number | 5.01 million Number | 5.44 million Number | 6 |
Countries ranked near Ireland
More population data for Ireland
- Un population 2024 vs 2022, annual growth rate -0.1157 % change on previous year (2100)
- Population long run 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 regions with projections, annual growth rate -0.4488 % change on previous year (2100)
- 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)
- Projected population under age 5, annual growth rate -0.1844 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population 0.5372 Percent per annum (2030)
Frequently asked questions
- What is population on 1 january by age group, sex and citizenship in Ireland?
- Population on 1 january by age group, sex and citizenship in Ireland was 5.44 million Number in 2025, according to Eurostat.
- What is the highest population on 1 january by age group, sex and citizenship recorded in Ireland?
- The highest recorded value was 5.44 million Number in 2025.
- What is the lowest population on 1 january by age group, sex and citizenship recorded in Ireland?
- The lowest recorded value was 3.69 million Number in 1998.
- How does Ireland rank for population on 1 january by age group, sex and citizenship?
- Ireland ranks 25th out of 42 countries with data for 2025.
- Is population on 1 january by age group, sex and citizenship 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 group, sex and citizenship. Statizoid updates them automatically from the source API.
Download this data
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