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.
The lazy thinking behind new proposals to give marriage-like rights to cohabiting couples
This month the House of Commons Women and Equalities Committee published proposals to give rights to unmarried cohabiting couples that are similar or equal to