The Reality of Social Media and Tech By ahartigan Aug 5, 2012 % of U.S. adults who use Facebook; 54% Aug 5, 2012 % of U.S. adults who use Pintrest; 10% Sep 16, 2013 % of U.S. adults who use Facebook; 57% Sep 16, 2013 % of U.S. adults who use Pintrest; 17% Sep 21, 2014 % of U.S. adults who use Facebook; 58% Sep 21, 2014 % of U.S. adults who use Pintrest; 22% Apr 12, 2015 % of U.S. adults who use Facebook; 62% Apr 12, 2015 % of U.S. adults who use Pintrest; 26% Apr 4, 2016 % of U.S. adults who use Facebook; 68% Jan 10, 2018 % of U.S. adults who use Pintrest; 29% Feb 8, 2021 % of U.S. adults who use Facebook; 69% Feb 8, 2021 % of U.S. adults who use Pintrest; 31%