Among the changes: Smartphones and social media became the norm, church attendance fell, and same-sex marriage and legalizing marijuana gained support.
Every year, we publish hundreds of reports, blog posts, digital essays and other studies. Here are some of our most noteworthy findings from the past year.
Majorities of police officers say that recent high-profile encounters between black citizens and police have made their jobs riskier and left many officers reluctant to fully carry out some of their duties.