Families and households in the UK: 2021

On 9 March 2022 the Office for National Statistics published data showing trends in living arrangements including families (with and without dependent children), people living alone and people in shared accommodation, broken down by size and type of household. The main points are:

  • In 2021, there were 19.3 million families in the UK, which represents a 6.5 per cent increase over the decade from 2011 to 2021.
  • In 2021, there were 3.0 million lone parent families, which accounts for 15.4 per cent of families in the UK; the proportions ranged from 13.1 per cent in the South East of England to 17.8 per cent in the North East of England.
  • The number of families that include a couple in a legally registered partnership in the UK has increased by 3.7 per cent in the past decade, to 12.7 million; by comparison, the number of cohabiting couple families saw an increase of 22.9 per cent over the same period, to 3.6 million.
  • There were an estimated 28.1 million households in the UK in 2021, an increase of 6.3 per cent over the last 10 years.
  • The number of people living alone in the UK has increased by 8.3 per cent over the last 10 years; in 2021, the proportion of one-person households ranged from 25.8 per cent in London to 36.0 per cent in Scotland.
  • In 2021, 3.6 million people aged 20 to 34 years were living at home with their parents; this represents 28 per cent of people in this age group, an increase from 24 per cent a decade ago.

For the full data, click here.



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