U.S. has changed in key ways in the past decade, from tech use to demographics

The past decade in the United States has seen technological advancements, demographic shifts and major changes in public opinion. Pew Research Center has tracked these developments through surveys, demographic analyses and other research. As the 2010s draw to a close, here are key ways the country looks different from 10 years ago:

From smartphones to social media, tech use has become the norm. As of 2019, nine-in-ten U.S. adults say they go online, 81% say they own a smartphone and 72% say they use social media. Growth in adoption of...