Bureau official : `` Between '07 and '08 There were about 21.6 million noncitizens in 2008 , down from 21.9 million in 2007 . there really was n't '' much immigration change . Notable increase in naturalized citizens , Grieco Michelle Mittelstadt says . Mexican -born population in Florida dropped by about 300,000 '08 .
Bureau official : `` Between '07 and '08 there really was n't '' much immigration change . Notable increase in naturalized citizens , Grieco Michelle Mittelstadt says . Mexican -born population in Florida dropped by about 300,000 '08 .