Senate
Days	Member
159	Reid, Harry [D-NV]
132	McConnell, Mitch [R-KY]
105	Durbin, Richard [D-IL]
95	Kyl, Jon [R-AZ]
92	Alexander, Lamar [R-TN]
89	McCain, John [R-AZ]
77	Sessions, Jeff [R-AL]
75	Brown, Sherrod [D-OH]
67	Coburn, Tom [R-OK]
66	Dorgan, Byron [D-ND]
60	Inhofe, James [R-OK]
55	Kaufman, Edward [D-DE]
55	Grassley, Charles [R-IA]
51	Dodd, Christopher [D-CT]
50	Thune, John [R-SD]
50	Whitehouse, Sheldon [D-RI]
46	Nelson, Bill [D-FL]
45	Murray, Patty [D-WA]
44	Brownback, Sam [R-KS]
43	Cardin, Benjamin [D-MD]
43	Boxer, Barbara [D-CA]
42	Sanders, Bernard [I-VT]
42	Chambliss, Saxby [R-GA]
41	Burris, Roland [D-IL]
41	Bond, Christopher [R-MO]
40	Ensign, John [R-NV]
40	Leahy, Patrick [D-VT]
40	DeMint, Jim [R-SC]
40	Reed, John [D-RI]
39	Vitter, David [R-LA]
38	Johanns, Mike [R-NE]
38	Hatch, Orrin [R-UT]
37	Casey, Robert [D-PA]
37	Cornyn, John [R-TX]
36	Levin, Carl [D-MI]
36	Stabenow, Debbie [D-MI]
36	Klobuchar, Amy [D-MN]
35	Schumer, Charles [D-NY]
35	Specter, Arlen [R-PA]
35	Gregg, Judd [R-NH]
34	Inouye, Daniel [D-HI]
34	Shaheen, Jeanne [D-NH]
33	Merkley, Jeff [D-OR]
32	Isakson, Johnny [R-GA]
31	Barrasso, John [R-WY]
31	Lieberman, Joseph [I-CT]
31	Hutchison, Kay [R-TX]
29	Menendez, Robert [D-NJ]
28	Udall, Tom [D-NM]
28	Kerry, John [D-MA]
28	Baucus, Max [D-MT]
27	Harkin, Thomas [D-IA]
26	Enzi, Michael [R-WY]
25	Feinstein, Dianne [D-CA]
24	Bingaman, Jeff [D-NM]
24	Mikulski, Barbara [D-MD]
24	Murkowski, Lisa [R-AK]
23	Wyden, Ronald [D-OR]
23	Graham, Lindsey [R-SC]
23	Landrieu, Mary [D-LA]
22	Bennett, Robert [R-UT]
21	Carper, Thomas [D-DE]
21	Udall, Mark [D-CO]
20	Lincoln, Blanche [D-AR]
20	Martinez, Mel [R-FL]
19	Roberts, Pat [R-KS]
19	Webb, James [D-VA]
18	Cochran, Thad [R-MS]
18	Bennet, Michael [D-CO]
17	Lautenberg, Frank [D-NJ]
17	Warner, Mark [D-VA]
17	Corker, Bob [R-TN]
17	Feingold, Russell [D-WI]
17	Wicker, Roger [R-MS]
16	McCaskill, Claire [D-MO]
15	Tester, Jon [D-MT]
15	Begich, Mark [D-AK]
15	Bunning, Jim [R-KY]
15	Collins, Susan [R-ME]
15	Voinovich, George [R-OH]
15	Akaka, Daniel [D-HI]
15	Crapo, Mike [R-ID]
14	Burr, Richard [R-NC]
14	Hagan, Kay [D-NC]
14	Shelby, Richard [R-AL]
13	Conrad, Kent [D-ND]
13	Nelson, Benjamin [D-NE]
13	Gillibrand, Kirsten [D-NY]
9	Rockefeller, John [D-WV]
9	Cantwell, Maria [D-WA]
9	Johnson, Tim [D-SD]
9	Kohl, Herbert [D-WI]
8	Byrd, Robert [D-WV]
8	Pryor, Mark [D-AR]
7	Snowe, Olympia [R-ME]
7	LeMieux, George [R-FL]
6	Lugar, Richard [R-IN]
6	Franken, Al [D-MN]
5	Kirk, Paul [D-MA]
4	Risch, James [R-ID]
3	Bayh, Evan [D-IN]
1	Salazar, Ken [D-CO]
1	Biden, Joseph [D-DE]
1	Clinton, Hillary [D-NY]
0	Kennedy, Edward [D-MA]