With several deaths on both sides of the aisle, the majority party in the U.S. Senate shifted from Republicans to Democrats and back again.
| Dates | Senate majority |
|---|---|
| Jan. 3, 1953 to April 12, 1954 | Republican |
| April 12, 1954 to May 12, 1954 | Democratic |
| May 12, 1954 to Dec. 1, 1954 | Republican |
