Labour's new welfare reforms will result in 400,000 more people declared unfit for any work, according to the government's own figures.
The changes, which are designed to get long-term sick back to work, will mean more people will be on the top level of incapacity benefit at the end of the decade than previously thought.
As part of their overhaul, Labour minister scrapped Conservative plans that would have seen more people with mobility and mental health problems looking for work.
Labour has insisted that the £1billion employment support package will help get people back to work. However, the Office for Budget Responsibility (OBR) has so far estimated that 16,000 fewer people will be in work as a result of the changes.
Liz Kendall, the work and pensions secretary, caused a stir among many Labour MPs with the welfare reform package, which she says is essential to fix a “broken” benefits system.
Read more in The Times.