Average household size in United Kingdom

United Kingdom: Average household size was 2.3 in 2018. ▬ Flat

Latest (2018)
2.3
Change on year
unchanged
World rank
24th
of 49 countries
All-time high
2.4
in 2007
All-time low
2.3
in 2005
Years of data
14
2005–2018

Average household size in United Kingdom, 2005–2018

00.511.522.52005201120182005: 2.32006: 2.32007: 2.42008: 2.42009: 2.42010: 2.32011: 2.32012: 2.32013: 2.32014: 2.32015: 2.32016: 2.32017: 2.32018: 2.3

Source: Eurostat.

Analysis

In 2018, average household size in United Kingdom stood at 2.3. That is the lowest value across all 14 years on record.

That represents a change of down 4.2% over ten years.

Over the whole period, average household size in United Kingdom peaked at 2.4 in 2007 and was at its lowest, 2.3, in 2005.

That places United Kingdom 24th out of 49 countries with data for 2018, putting it in the middle of the range.

Average household size in United Kingdom, year by year

Annual values for Average household size in United Kingdom, 2005 to 2018.
Year Value Change
2005 2.3 —
2006 2.3 +0.0%
2007 2.4 +4.3%
2008 2.4 +0.0%
2009 2.4 +0.0%
2010 2.3 -4.2%
2011 2.3 +0.0%
2012 2.3 +0.0%
2013 2.3 +0.0%
2014 2.3 +0.0%
2015 2.3 +0.0%
2016 2.3 +0.0%
2017 2.3 +0.0%
2018 2.3 +0.0%

United Kingdom compared with similar countries

  • United Kingdom's 2.3 is above the median for Europe & Central Asia, which is 2.3, 1.0× the median. (34 countries reporting)
  • United Kingdom's 2.3 is above the median for high income countries, which is 2.3, 1.0× the median. (31 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 2.36 2.3 2.4 5
2010s 2.3 2.3 2.3 9

Countries ranked near United Kingdom

  1. 24 Czechia 2.3 compare
  2. 24 European Union (EU6-1958, EU9-1973, EU10-1981, EU12-1986, EU15-1995, EU25-2004, EU27-2007, EU28-2013, EU27-2020) 2.3 compare
  3. 24 Hungary 2.3 compare
  4. 24 Luxembourg 2.3 compare
  5. 24 United Kingdom 2.3 compare

See the full ranking of 55 places →

More population data for United Kingdom

All data for United Kingdom →

Frequently asked questions

What is average household size in United Kingdom?
Average household size in United Kingdom was 2.3 in 2018, according to Eurostat.
What is the highest average household size recorded in United Kingdom?
The highest recorded value was 2.4 in 2007.
What is the lowest average household size recorded in United Kingdom?
The lowest recorded value was 2.3 in 2005.
How does United Kingdom rank for average household size?
United Kingdom ranks 24th out of 49 countries with data for 2018.
Is average household size rising or falling in United Kingdom?
Over the last ten years it is down 4.2%. The long-run trend across the full record is flat.
Where does this United Kingdom 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 — 14 observations, free to reuse under CC BY 4.0 (Eurostat).

Share, cite or embed this page

Cite this page

Average household size in United Kingdom. Statizoid, drawing on Eurostat. Retrieved 12 November 2026, from https://population.statizoid.com/stat/average-household-size/united-kingdom/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Eurostat); please keep the attribution.

<a href="https://population.statizoid.com/stat/average-household-size/united-kingdom/">Average household size in United Kingdom</a> — Statizoid

About this data

Indicator
Average household size
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
55 places, 1,028 data points, 2003–2025
Last refreshed