Today in the UK, there is also a trend of falling numbers of marriages. But, marriage still remains the most common type of family in the UK. In 2013, of the 18.2 million families in the UK, about 2/3rds i.e. 12.3 million people are married with or without children.

But cohabitation is the fastest growing family type in the UK today with approximately 6 million couples cohabiting in 2013.

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