In the 118th Congress, ** members of the Senate had already served between seven and 12 years. A further ** members had served 19 years or more. The number of new Senators - those who had served six years or less - has been declining since the 114th Congress in 2015.
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Brookings Institution. (November 24, 2024). Number of members in the United States Senate from 1967 to 2023, by term length [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 16, 2026, from /statistics/1361973/senate-term-length-us/
Brookings Institution. "Number of members in the United States Senate from 1967 to 2023, by term length." Chart. November 24, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 16, 2026. /statistics/1361973/senate-term-length-us/
Brookings Institution. (2024). Number of members in the United States Senate from 1967 to 2023, by term length. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 16, 2026. /statistics/1361973/senate-term-length-us/
Brookings Institution. "Number of Members in The United States Senate from 1967 to 2023, by Term Length." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Nov 2024, /statistics/1361973/senate-term-length-us/
Brookings Institution, Number of members in the United States Senate from 1967 to 2023, by term length ÌÇÐÄÆƽâ°æ, /statistics/1361973/senate-term-length-us/ (last visited July 16, 2026)
Number of members in the United States Senate from 1967 to 2023, by term length [Graph], Brookings Institution, November 24, 2024. [Online]. Available: /statistics/1361973/senate-term-length-us/
