In 2003, 56% of Americans said same-sex marriage undermined the traditional family, but that number has dropped 10 points since then.

A key factor in rising support for same-sex marriage is that 14% of all Americans say they’ve changed their minds on the issue.

The already considerable amount of time devoted to sports, weather and traffic on local newscasts rose from 32% 2005 to 40% in 2012.

The number of Christians in the world has nearly quadrupled in the last 100 years, but they comprise about the same share (32%) of the population.

Young adults shrunk the amount of debt they were carrying by 29% between 2007 and 2010.

More than two-thirds of second-generation Latinos consider it very important for future generations to be able to speak Spanish.

In a 2011 survey of veterans of the post -9/11 wars, 44% said Iraq was worth fighting while 50% said it was not.

More than half of teachers say students have good access to digital technology at school, but access at home is harder to come by.

Kim Parker, associate director of the Pew Research Center's Social & Demographic Trends Project, and Wendy Wang, research associate, answer questions from readers on the Modern Parenthood survey,

In 2011, 3 million recent movers who were previously homeowners became renters, with the change concentrated among the young.