Richard Darlington, from the Institute for Public Policy Research, commented on the organisation's survey suggesting 41,000 extra under-25s will be out of work this year.
"I'm afraid that the signs for the economy according to the Office for Budget Responsibility is that the slowdown is going to continue." he said.
"Unfortunately, unemployment tends to lag the rest of the economy and we're not going to see unemployment fall in Wales until about 2013."
More top news
Adrian Masters hits the road, discussing the key election topics with voters from across Wales.
A largely fine and bright day with plenty of long sunny spells. Out of the wind in the longer spells of sunshine it will feel warm.
As the anniversary of VE day approaches, relatives of those imprisoned in Colditz have recently returned to see the notorious prison camp.