Longest solo filibusters
Below is a table of the ten longest single-person filibusters to take place in the United States Senate since 1900.
Longest filibusters in the U.S. Senate since 1900[113][114]
Senator
Party
Date (began)
Measure
Hours &
minutes
1
Strom Thurmond (SC)
Democratic
August 28, 1957
Civil Rights Act of 1957 (filibuster)
24:18
2
Alfonse D'Amato (NY)
Republican
October 17, 1986
Defense Authorization Act (1987), amendment
23:30
3
Wayne Morse (OR)
Independent
April 24, 1953
Submerged Lands Act (1953)
22:26
4
Cory Booker (NJ)[a]
Democratic
March 31, 2025
Protest against Trump Administration (filibuster)
Ongoing
5
Ted Cruz (TX)[a]
Republican
September 24, 2013
Continuing Appropriations Act (2014) (filibuster)
21:18
6
Robert M. La Follette, Sr. (WI)
Republican
May 29, 1908
Aldrich–Vreeland Act (1908)
18:23
7
William Proxmire (WI)
Democratic
September 28, 1981
Debt ceiling increase (1981)
16:12
8
Huey Long (LA)
Democratic
June 12, 1935
National Industrial Recovery Act (1933), amendment
15:30
9
Jeff Merkley (OR)
Democratic
April 4, 2017
Supreme Court confirmation of Neil Gorsuch (filibuster)
15:28
10
Alfonse D'Amato (NY)
Republican
October 5, 1992
Revenue Act (1992), amendment
15:14