. >> reporter: the great recsion has torn through the amerin workrce at an alarming rate. 6.5 milliojobs lost so far. but economist heidi shierhz says the pain es even deeper. >> over those months of the recession, we shouldave added 2.3 miion jobs to keep up with population growth. sohen you sum those two together, 3 million we should have added, plus the 6 million we lost, we're 8.8 milon jobs in the hole. and we are still diggi. >> reporr: by the end of the year, shierholz figures th economy will bshort ten milliojobs. and the united states wot see robust jobrowth until the end ofext year. >> and that's when pple in the real economy will start to fl like, okay, we've enred recovery. >> reporter: so whenill we recover thjobs we've lost? just do the ma. the private adp forecast sws thu.s. economy lost 371,000 jobs last month. to keep upith population growth, economistsigure the u.s. nee to create 130,000 jobs a month. in a recovy, the u.s. should create somhing like 300,000 to 400,00a month, enough to begin reducing unemployment significantly. that means t country won't recor the jobs l