Census : 45.7 million Americans uninsured in seventh straight year , down from 45.7 million in seventh straight year . Decrease a surprise , number was expected to increase for seventh straight year . Meanwhile , participation in Medicaid , the government insurance program for low-income Americans , increased to 13.2 percent and 39.6 million in 2007 , up from 12.9 percent and 38.3 million in 2006 . Findings will give boost to backers of expanded government health-care plans . Real median household income increased 11 percent nationwide , the U.S. Census Bureau finds .
Census : 45.7 million Americans uninsured in seventh straight year , down from 45.7 million in seventh straight year . Decrease a surprise , number was expected to increase for seventh straight year . Findings will give boost to backers of expanded government health-care plans . Real median household income increased 11 percent nationwide , the U.S. Census Bureau finds .