List of United States senators in the 118th Congress

This is a complete list of United States senators during the 118th United States Congress listed by seniority, from January 3, 2023, to January 3, 2025. It is a historical listing and will contain people who have not served the entire two-year Congress should anyone resign, die, or be expelled.

Order of service is based on the commencement of the senator's first term. Behind this is former service as a senator (only giving the senator seniority within his or her new incoming class), service as vice president, a House member, a cabinet secretary, or a governor of a state. The final factor is the population of the senator's state.^[1]^[2]^[3]^[4]^[5]

In this Congress, the most junior senior senator is Jon Ossoff, and Maria Cantwell is the most senior junior senator.

^ A Chronological List of United States Senators 1789–Present, via www.senate.gov
^ 1971 U.S Census Report Contains 1970 Census results.
^ 1981 U.S Census Report Contains 1980 Census results.
^ 1991 U.S Census Report Contains 1990 Census results.
^ "2000 Census State Population Rankings". Archived from the original on 2020-02-12. Retrieved 2019-01-03.

[1] A Chronological List of United States Senators 1789–Present, via www.senate.gov

[2] 1971 U.S Census Report Contains 1970 Census results.

[3] 1981 U.S Census Report Contains 1980 Census results.

[4] 1991 U.S Census Report Contains 1990 Census results.

[5] "2000 Census State Population Rankings". Archived from the original on 2020-02-12. Retrieved 2019-01-03.

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