'Paying benefits to people of working age is a big part of what the government does.
In fact, it spends more on these benefits than it does on education or national defence and policing.
They account for roughly £1 in every £8 the government spends, or about £100bn a year. This is on top of the £120bn that is spent on benefits for pensioners.
A look at the size of the bill and who gets these benefits reveals big changes over time.