A   Pew poll   showed that over a decade, Christian affiliation has dropped from 78% to 65%, and those without a religion rose from 16% to 26%. Of course, church attendance is also declining. A particularly interesting aspect of this survey is that: Millennials ( the youngest generation polled ) declined the most, 16%, while the older Silent Generation only dropped by 2%. By race: Whites  -12% Blacks  -11% Hispanic  -10% Education: Less than a college education  -11% College graduate  -13% Region: Northeast  -15% South  -12% Midwest  -10% West  -9% Political party: Republican  -7% Democrat  -17% More details about generation gap beliefs: Those with no religion grew by 30 million: According to  Pew , here are the least affiliated countries in the world: The map seems to indicate that the U.S. is among the most unaffiliated countries.  However, the color code is misleading, for, apparently, only 18.6% of Americans are unaffiliated, meaning that 81.4% must have a religion.  From yet ano