Pew Research Center Follow Most U.S. senators appointed since 1990 have run to keep their seat – and most have won The U.S. Senate has had 43 appointed members since 1990, and 27 of them (63%) have run to keep their seat. https://www.pewresearch.org/short-reads/2026/08/06/most-us-senators-appointed-since-1990-have-run-to-keep-their-seat-and-most-have-won/ pewresearch.org
