Polarization Research Lab – America’s Political Pulse – Resources and data to understand and halt the growth of partisan animosity. What Elected Officials Say and Do – Explore data on the speech, effectiveness, and campaign support for elected U.S. legislators.

• Using AI to assess the rhetoric of all 535 legislators in the House and Senate.
• Pulling data from speeches, newsletters, tweets, and public statements.
• 1,531,223 data points processed and tagged so far; updated daily.

What Voters Think about Partisan Animosity – Explore weekly survey data on partisan hatred, support for democratic norm violations, and support for partisan violence.

• Ongoing since September 2022.
• 96 consecutive weeks of data.
• 109,000 total responses from 67,588 unique survey takers.
• Complete dataset open to the public. Download >