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Survey: U.S. grows less religious, less Christian: Self-identified Christians down 10 percent

The nation has grown less religious in the last two decades, a new study shows, with a 10 percent drop in the number of people who call themselves Christians and increases in all 50 states among those who are not aligned with any faith.

Between 1990 and 2008, the percentage of Americans who identified themselves as Christian dropped from 86 percent to 76 percent, reports the new American Religious Identification Sur vey, a wide-ranging report released March 9.