Average household size by country
Countries reporting
49
Highest
3.1
Albania
Lowest
1.8
Lithuania
Median
2.3
Years covered
23
2003–2025
Data points
1,028
What the numbers show
Average household size is currently reported for 49 countries. The highest value is 3.1 in Albania; the lowest is 1.8 in Lithuania.
The median across all reporting countries is 2.3, and the mean is 2.39.
The gap between the highest and lowest reporting country is a factor of about 2.
Over the past decade 3 countries rose and 36 fell. The largest increase was in Slovakia (up 10.7%), and the largest decrease in Lithuania (down 21.7%).
Average household size: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Albania | 3.1 | 2025 | down 16.2% | falling |
| 1 | Slovakia | 3.1 | 2025 | up 10.7% | rising |
| 1 | Türkiye | 3.1 | 2025 | down 11.4% | falling |
| 1 | Slovakia | 3.1 | 2025 | up 10.7% | rising |
| 5 | North Macedonia | 3 | 2024 | down 18.9% | falling |
| 5 | North Macedonia | 3 | 2024 | down 18.9% | falling |
| 7 | Poland | 2.8 | 2025 | unchanged | flat |
| 7 | Poland | 2.8 | 2025 | unchanged | flat |
| 7 | Montenegro | 2.8 | 2024 | down 15.2% | falling |
| 10 | Ireland | 2.7 | 2025 | unchanged | falling |
| 11 | Serbia | 2.6 | 2025 | down 10.3% | falling |
| 11 | Croatia | 2.6 | 2025 | down 7.1% | falling |
| 11 | Serbia | 2.6 | 2025 | down 10.3% | falling |
| 11 | Croatia | 2.6 | 2025 | down 7.1% | falling |
| 15 | Spain | 2.5 | 2025 | unchanged | falling |
| 15 | Romania | 2.5 | 2025 | down 7.4% | falling |
| 15 | Cyprus | 2.5 | 2025 | down 7.4% | falling |
| 15 | Iceland | 2.5 | 2020 | up 4.2% | flat |
| 19 | Malta | 2.4 | 2025 | down 7.7% | falling |
| 19 | Portugal | 2.4 | 2025 | down 4.0% | falling |
| 19 | Greece | 2.4 | 2025 | down 7.7% | falling |
| 19 | Slovenia | 2.4 | 2025 | down 4.0% | falling |
| 19 | Slovenia | 2.4 | 2025 | down 4.0% | falling |
| 24 | Luxembourg | 2.3 | 2025 | down 4.2% | falling |
| 24 | Czechia | 2.3 | 2025 | down 4.2% | falling |
| 24 | Hungary | 2.3 | 2025 | unchanged | falling |
| 24 | United Kingdom | 2.3 | 2018 | down 4.2% | flat |
| 24 | United Kingdom | 2.3 | 2018 | down 4.2% | flat |
| 24 | European Union (EU6-1958, EU9-1973, EU10-1981, EU12-1986, EU15-1995, EU25-2004, EU27-2007, EU28-2013, EU27-2020) | 2.3 | 2019 | down 4.2% | falling |
| 30 | Euro area (EA11-1999, EA12-2001, EA13-2007, EA15-2008, EA16-2009, EA17-2011, EA18-2014, EA19-2015, EA20-2023, EA21-2026) | 2.2 | 2021 | down 4.3% | flat |
| 30 | Latvia | 2.2 | 2025 | down 8.3% | falling |
| 30 | Austria | 2.2 | 2025 | unchanged | falling |
| 30 | Belgium | 2.2 | 2025 | down 4.3% | flat |
| 30 | Bulgaria | 2.2 | 2025 | down 12.0% | falling |
| 30 | Latvia | 2.2 | 2025 | down 8.3% | falling |
| 30 | Switzerland | 2.2 | 2024 | unchanged | falling |
| 30 | Italy | 2.2 | 2025 | down 8.3% | falling |
| 38 | France | 2.1 | 2025 | down 4.5% | falling |
| 38 | Estonia | 2.1 | 2025 | down 4.5% | falling |
| 38 | Estonia | 2.1 | 2025 | down 4.5% | falling |
| 38 | Netherlands | 2.1 | 2025 | down 4.5% | falling |
| 38 | Netherlands | 2.1 | 2025 | down 4.5% | falling |
| 43 | Sweden | 2 | 2025 | unchanged | falling |
| 43 | Germany | 2 | 2025 | unchanged | flat |
| 43 | Norway | 2 | 2025 | unchanged | falling |
| 46 | Finland | 1.9 | 2025 | down 5.0% | falling |
| 46 | Denmark | 1.9 | 2025 | down 5.0% | flat |
| 48 | Lithuania | 1.8 | 2025 | down 21.7% | falling |
| 48 | Lithuania | 1.8 | 2025 | down 21.7% | falling |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.