Average household size in Ireland
Ireland: Average household size was 2.7 Average in 2025. ▼ Falling
Latest (2025)
2.7 Average
Change on year
unchanged
World rank
7th
of 38 countries
All-time high
2.9 Average
in 2003
All-time low
2.6 Average
in 2018
Years of data
23
2003–2025
Average household size in Ireland, 2003–2025
Source: Eurostat. Measured in Average.
Analysis
Ireland recorded 2.7 Average for average household size in 2025.
Compared with earlier readings it is unchanged over ten years.
Over the whole period, average household size in Ireland peaked at 2.9 Average in 2003 and was at its lowest, 2.6 Average, in 2018.
Ireland ranks 7th of 38 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 23 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 2.81 Average | 2.7 Average | 2.9 Average | 7 |
| 2010s | 2.7 Average | 2.6 Average | 2.8 Average | 10 |
| 2020s | 2.7 Average | 2.7 Average | 2.7 Average | 6 |
Countries ranked near Ireland
More population data for Ireland
- World population growth -0.5% (2100)
- Population density 76.73 people per km² (2100)
- Number of children under 5, by world region 217,052 people (2100)
- Population growth rate, by level of development -0.5% (2100)
- Total fertility rate vs. contraceptive prevalence 1.47 births per woman (2024)
- Fertility rate vs. unmet need for contraception 1.47 births per woman (2024)
- Refugees by country of asylum 124,730 people (2024)
- Total fertility rate vs. wanted fertility rate 1.47 births per woman (2024)
- Fertility rate vs. Share of people who are religious 1.6 live births per woman (2023)
- Fertility rate accounting for survival until childbearing age 1.59 children per women (2023)
Frequently asked questions
- What is average household size in Ireland?
- Average household size in Ireland was 2.7 Average in 2025, according to Eurostat.
- What is the highest average household size recorded in Ireland?
- The highest recorded value was 2.9 Average in 2003.
- What is the lowest average household size recorded in Ireland?
- The lowest recorded value was 2.6 Average in 2018.
- How does Ireland rank for average household size?
- Ireland ranks 7th out of 38 countries with data for 2025.
- Is average household size rising or falling in Ireland?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this Ireland data come from?
- The figures come from Eurostat, published as part of Average household size. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 23 observations, free to reuse under CC BY 4.0 (Eurostat).