Who will feel most impact of 'immoral' benefit reforms?
11 March 2013 Last updated at 08:04 GMT
The biggest reform of the welfare state in 60 years has been described as "immoral" by Labour.
On Sunday Church of England Bishops said the changes could drive children and families into poverty.
However, the government has defended its plans for caps and cuts, saying benefits had risen twice as fast as wages.
Ahead of the introduction of some benefit changes in April, Graham Satchell reports on their likely impact.