When couples split up, families move from one to two households. Poverty is a common outcome that affects children. Six out of ten lone parents are supported by the state compared to one out of ten couple parents. That's where most of the £50bn is spent.

One in five weddings now start with a ‘prenup’
New Marriage Foundation research finds one in five UK weddings involve prenups and that they neither increase nor reduce the risk of divorce Prenuptial agreements