Faith and Politics, Health Gaps, Lionel Messi Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email How Religion Impacts U.S. Foreign Policy Remembering Legendary Coach Pat Summitt Your Brexit and E.U. Questions Answered Tackling the 'Health Gap' in America With Panama Expansion, East Coast Ports Struggle to Host Larger Ships How the Erie Canal Helped Create Modern America One Error: The Cost of an Amazing Sports Legacy? A Pew Research Center study finds that the number of Americans who identify as religiously unaffiliated rose from 16 percent in 2007 to 23 percent in 2014. ( Pascal Sirletti/EyeEm / Getty ) Produced by PRI and WNYC