Which has higher average household size, Iceland or Ireland?

Ireland, at 2.7 Average against 2.5 Average in Iceland as of 2025.

What is the difference in average household size between Iceland and Ireland?

0.2 Average, with Ireland ahead.

17 years are reported by both, from 2004 to 2020.

Eurostat, published as Average household size. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iceland

2.5 Average

in 2020

Ireland

2.7 Average

in 2025

Iceland rank

10th

Ireland rank

7th

Ireland currently reports 2.7 Average against 2.5 Average in Iceland, a difference of 0.2 Average.

That makes Ireland's figure about 1.1 times Iceland's.

Across all 17 years both countries report, Ireland has been ahead every year.

Iceland ranks 10th and Ireland ranks 7th of 38 countries.

Ireland has averaged higher in every one of the 3 decades both report.

Decade	Iceland	Ireland	Difference	Ahead
2000s	2.48 Average	2.8 Average	0.3167 Average	Ireland
2010s	2.43 Average	2.7 Average	0.27 Average	Ireland
2020s	2.5 Average	2.7 Average	0.2 Average	Ireland

Averages of every year both report within each decade.

Which has higher average household size, Iceland or Ireland?: Ireland, at 2.7 Average against 2.5 Average in Iceland as of 2025.
What is the difference in average household size between Iceland and Ireland?: 0.2 Average, with Ireland ahead.
How many years of comparable data are there for Iceland and Ireland?: 17 years are reported by both, from 2004 to 2020.
How do Iceland and Ireland rank globally for average household size?: Iceland ranks 10th and Ireland ranks 7th of 38 countries.
Where does this data come from?: Eurostat, published as Average household size. Statizoid refreshes it automatically from the source and publishes the full history for both places.