One in seven MPs have never had a proper job, according to research.
And in addition to those who have absolutely no experience of working in the real world, many more have served only brief stints as lobbyists or public relations advisers before entering politics full-time.
The study by the House of Commons Library reveals a dramatic rise in the number of so-called professional politicians, whose numbers have increased almost four-fold over the past 30 years.
Ninety MPs have never held a job outside politics, against 20 in 1982.
Labour leader Ed Miliband is among those who have never had a significant job outside politics.
Instead, he served a long apprenticeship as a special adviser to Gordon Brown.