More than 1.2 million Arizona residents - about 20 percent of the population - were without health insurance in 2007, the U.S. Census Bureau reported Aug. 26.

The Census Bureau says national data showed the number of people lacking health insurance fell by more than 1 million, the first annual decline since 2001. Nationally, it said 45.7 million people - over 15 percent of the population - were without the insurance, down from 47 million in 2006.