The 119th United States Congress began on January 3, 2025. There were nine new senators (four Democrats, five Republicans) and 63 new representatives (33 Democrats, 30 Republicans), as well as two new delegates (a Democrat and a Republican), at the start of its first session. Additionally, four senators (all Republicans) and three representatives (one Democrat, two Republicans) have taken office in order to fill vacancies during the 119th Congress.
The president of the House Democratic freshman class is Yassamin Ansari of Arizona, while the president of the House Republican freshman class is Brandon Gill of Texas. Additionally, the Democratic freshmen leadership representative is Kristen McDonald Rivet of Michigan, and the Republican's freshmen liaison is Riley Moore of West Virginia.