Divorce rates have plummeted over the past 3 decades, but the number of lone parents has doubled in the same period. Why?… Because unmarried parents make up only one in five cohabiting parents but are responsible for one half of all family breakdown.
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.