The latest trends in living arrangements have just been published.
There are 28 million households in the UK, two-thirds of which are just one family.
There are 19 million families, and just under half have no children.
A similar number have one or more dependent children.
Only 15% of families have children who are not dependent on their parents.
Three-quarters of families are married or in a civil partnership. 19% are cohabiting couples, and 15% are lone parents.
8.3 million people live alone, and just over half are women.