Robert Oxley from the Taxpayers' Alliance has told ITV Daybreak that "the benefits system has to be that safety net for people who have fallen on tough times.
"But it can't be a long-term alternative to being in work and work needs to pay more than getting into welfare."
George Osborne has accused the Government's welfare reform critics of talking "ill-informed rubbish."
Find out more about the raft of changes to the welfare benefits system that began to come into force from the 1 April.
The government has been forced to defend its changes to the benefits system after prominent church leaders claimed they were 'unjust'.