For Pew Research’s 10-year anniversary, here’s a list of 10 big research questions we’ve answered over the years that speak to broad ways that America and the world is changing.
For the first time in 15 years of Pew Research Center polling, fewer than half oppose same-sex marriage, though, support (42%) remains below opposition (48%). The shift in favor of gay marriage has been broad-based, occurring across many demographic, political and religious groups.