How Changes in Turnout and Vote Choice Powered Trump’s Victory in 2024
In this interactive feature, explore how changes between the 2020 and 2024 elections in how – and whether – people voted helped to return President Trump to office.
Numbers, Facts and Trends Shaping Your World
Senior Researcher
Hannah Hartig is a senior researcher at Pew Research Center, where she primarily studies U.S. political attitudes and voting behavior. She has authored analyses on topics including domestic opinions of the U.S., voter turnout in 2020 and views of abortion. Prior to joining the Center, she was director of research at the Penn Program on Opinion Research and Election Studies at the University of Pennsylvania. She regularly discusses the Center’s political research with the news media and has served as an election night exit poll analyst for NBC News since 2014. Hartig received her bachelor’s in foreign affairs from the University of Virginia and master’s degree in quantitative politics from the University of Pennsylvania.