Explore current and historical political parties, map party control, and learn about polarization.
Are you an academic or journalist interested in using NOMINATE data? Click here to download the data and learn how to use it.
Visualize the 117th Senate and its members, and compare it with past congresses
After emotional and excoriating testimony from comedian Jon Stewart, congress re-authorizes the September 11th Victim Compensation Fund. Reps. Paul Gosar, Jody Hice, and Thomas Massie are among 12 who vote against the bill.
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator