Daniel Cox is a research fellow in polling and public opinion at the American Enterprise Institute (AEI), where he specializes in survey research, politics, youth culture and identity, and religion. Before joining AEI, he was the research director at PRRI (Public Religion Research Institute), which he cofounded and where he led the organization’s qualitative and quantitative research program.

He is also the coauthor of numerous academic book chapters, journal articles, and conference papers on topics relating to religious polarization, anti-Muslim attitudes in the US, religious tolerance of atheists, and new methods for measuring social class and religious belief.

Dr. Cox’s work is frequently featured in the popular press, including in The Atlantic, CNN, and The Washington Post. He is a contributor to FiveThirtyEight and a regular guest on Hill.TV.

Dr. Cox holds an M.A. and a Ph.D. in American government from Georgetown University, where he focused on public opinion, political behavior, and religion and politics.


  • FiveThirtyEight: Contributor, 2016–present
  • PRRI: Cofounder; Research Director, 2009–18
  • Pew Research Center: Research Associate, 2007–08


Ph.D., M.A., American government, Georgetown University
B.A, political science, Union College