Class I - Senators Whose Term of Service Expire in 2031
Class I terms run from the beginning of the 119th Congress on January 3, 2025, to the end of the 121st Congress on January 3, 2031. Senators in Class I were elected to office in the November 2024 general election, unless they took their seat through appointment or special election.
| Alsobrooks, Angela D. (D-MD) |
| Baldwin, Tammy (D-WI) |
| Blunt Rochester, Lisa (D-DE) |
| Cantwell, Maria (D-WA) |
| Gallego, Ruben (D-AZ) |
| Gillibrand, Kirsten E. (D-NY) |
| Heinrich, Martin (D-NM) |
| Hirono, Mazie K. (D-HI) |
| Kaine, Tim (D-VA) |
| Kim, Andy (D-NJ) |
| Klobuchar, Amy (D-MN) |
| Murphy, Christopher (D-CT) |
| Rosen, Jacky (D-NV) |
| Schiff, Adam B. (D-CA) |
| Slotkin, Elissa (D-MI) |
| Warren, Elizabeth (D-MA) |
| Whitehouse, Sheldon (D-RI) |
| Banks, Jim (R-IN) |
| Barrasso, John (R-WY) |
| Blackburn, Marsha (R-TN) |
| Cramer, Kevin (R-ND) |
| Cruz, Ted (R-TX) |
| Curtis, John R. (R-UT) |
| Fischer, Deb (R-NE) |
| Hawley, Josh (R-MO) |
| Justice, James C. (R-WV) |
| McCormick, David (R-PA) |
| Moreno, Bernie (R-OH) |
| Scott, Rick (R-FL) |
| Sheehy, Tim (R-MT) |
| Wicker, Roger F. (R-MS) |
Independents |
| King, Angus S., Jr. (I-ME) |
| Sanders, Bernard (I-VT) |
Article I, section 3 of the U.S. Constitution mandates the Senate's class structure.
Amendment XVII (1913) provides for direct election of Senators.
Class II
Senators inClass II were elected to office in the November 2020 general election, unless they took their seat through appointment or special election. Their terms run from the beginning of the 117th Congress on January 3, 2021 to the end of the 119th Congress on January 3, 2027.
Class III
Senators inClass III were elected to office in the November 2022 general election, unless they took their seat through appointment or special election. Their terms run from the beginning of the 118th Congress on January 3, 2023 to the end of the 120th Congress on January 3, 2029.
Biographical Directory
TheDirectory provides information about former and current senators.
