Democrats voting on 1998-23 | ||
| Daniel Akaka | YES | HI Democrat Jr Senator |
| Max Baucus | YES | MT Democrat Sr Senator |
| Evan Bayh | Unrecorded | IN Democrat Jr Senator |
| Joe Biden | YES | DE Democrat Jr Senator |
| Jeff Bingaman | YES | NM Democrat Jr Senator |
| Alan Blinken | Unrecorded | ID Democrat Challenger |
| Erskine Bowles | Unrecorded | NC Democratic Candidate |
| Barbara Boxer | YES | CA Democrat Jr Senator |
| Bill Bradbury | Unrecorded | OR Democrat Challenger |
| Bill Bradley | Unrecorded | NJ Democrat Senator (Former) |
| John Breaux | YES | LA Democrat Sr Senator |
| Richard Bryan | YES | NV Democrat Jr Senator |
| Dale Bumpers | YES | AR Democrat Senator (Former) |
| Robert Byrd | YES | WV Democrat Sr Senator |
| Maria Cantwell | Unrecorded | WA Democrat Jr Senator |
| Jean Carnahan | Unrecorded | MO Democrat Jr Senator |
| Mel Carnahan | Unrecorded | MO Democrat Senator (Former) |
| Tom Carper | Unrecorded | DE Democrat Jr Senator |
| Max Cleland | YES | GA Democrat Sr Senator |
| Bob Clement | Unrecorded | TN Democratic Nominee |
| Hillary Clinton | Unrecorded | NY Democrat Jr Senator |
| Burt Cohen | Unrecorded | NH Democrat Challenger |
| Kent Conrad | YES | ND Democrat Sr Senator |
| Joyce Jansa Corcoran | Unrecorded | WY Democrat Challenger |
| Jon Corzine | Unrecorded | NJ Democrat Jr Senator |
| Tom Daschle | YES | SD Democrat Sr Senator |
| Mark Dayton | Unrecorded | MN Democrat Jr Senator |
| Chris Dodd | YES | CT Democrat Sr Senator |
| Byron Dorgan | YES | ND Democrat Jr Senator |
| Richard Durbin | YES | IL Democrat Sr Senator |
| John Edwards | Unrecorded | NC Democrat Jr Senator, retiring to run for President, 2004 |
| Jim Exon | Unrecorded | NE Democrat Senator (Former) |
| Russell Feingold | YES | WI Democrat Jr Senator |
| Dianne Feinstein | YES | CA Democrat Sr Senator |
| Wendell Ford | YES | KY Democrat Senator (Former) |
| John Glenn | Unknown | OH Democrat Senator (Former) |
| Tipper Gore | Unrecorded | TN Democratic Candidate |
| Bob Graham | YES | FL Democrat Sr Senator, retiring 2004, ran for President 2004 |
| Tom Harkin | YES | IA Democrat Jr Senator |
| Fritz Hollings | NO | SC Democrat Jr Senator |
| Daniel Inouye | YES | HI Democrat Sr Senator |
| Tim Johnson | YES | SD Democrat Jr Senator |
| Bennett Johnston | Unrecorded | LA Democrat Senator (Former) |
| Ted Kennedy | YES | MA Democrat Sr Senator |
| Bob Kerrey | YES | NE Democrat Sr Senator |
| John Kerry | YES | MA Democrat Jr Senator, ran for President 2004 |
| Ron Kirk | Unrecorded | TX Democrat Candidate |
| Herbert Kohl | YES | WI Democrat Sr Senator |
| Mary Landrieu | YES | LA Democrat Jr Senator |
| Frank Lautenberg | YES | NJ Democrat Challenger |
| Patrick Leahy | YES | VT Democrat Sr Senator |
| Carl Levin | YES | MI Democrat Senator (Former) |
| Joseph Lieberman | YES | CT Democratic Jr Senator; ran for V.P. 2000; ran for Pres. 2004 |
| Blanche Lambert Lincoln | Unrecorded | AR Democrat Jr Senator |
| Tom Martin | Unrecorded | PA Democratic Senate Candidate |
| Charlie Matulka | Unrecorded | NE Democrat Challenger |
| Barbara Mikulski | YES | MD Democrat Jr Senator |
| Zell Miller | Unrecorded | GA Democrat Jr Senator, retiring 2004 |
| Walter Mondale | Unrecorded | MN Democrat for Senate |
| Carol Moseley-Braun | YES | IL Democrat Senator (Former) |
| Pat Moynihan | YES | NY Democrat Senator (Former) |
| Patty Murray | YES | WA Democrat Jr Senator |
| Ben Nelson | Unrecorded | NE Democrat Jr Senator |
| Bill Nelson | Unrecorded | FL Democrat Jr Senator |
| Sam Nunn | Unrecorded | GA Democrat Senator (Former) |
| Susan Parker | Unrecorded | AL Democrat Challenger |
| Claiborne Pell | Unrecorded | RI Democrat Senator (Former) |
| Chellie Pingree | Unrecorded | ME Democrat Challenger |
| David Pryor | Unrecorded | AR Democrat Senator (Former) |
| Mark Pryor | Unrecorded | AR Democrat Challenger |
| Jack Reed | YES | RI Democrat Sr Senator |
| Harry Reid | YES | NV Democrat Sr Senator |
| Charles Robb | YES | VA Democrat Senator (Former) |
| John Rockefeller | YES | WV Democrat Senator (Former) |
| Alex Sanders | Unrecorded | SC Democratic Candidate |
| Paul Sarbanes | YES | MD Democrat Sr Senator |
| Charles Schumer | Unrecorded | NY Democrat Sr Senator |
| Jeanne Shaheen | Unrecorded | NH Democratic Nominee |
| Paul Simon | Unrecorded | IL Democrat Senator (Former) |
| Debbie Stabenow | Unrecorded | MI Democrat Jr Senator |
| Tom Strickland | Unrecorded | CO Democrat Challenger |
| Bob Torricelli | YES | NJ Democrat Jr Senator |
| Gloria Tristani | Unrecorded | NM Democrat Challenger |
| Frank Vondersaar | Unrecorded | AK Democrat Challenger |
| David Walters | Unrecorded | OK Democrat Challenger |
| Lois Combs Weinberg | Unrecorded | KY Democrat Challenger |
| Paul Wellstone | YES | MN Democrat Senator (Former) |
| Ron Wyden | YES | OR Democrat Sr Senator |
Republicans voting on 1998-23 | ||
| Spencer Abraham | NO | MI Republican Senator (Former) |
| Lamar Alexander | Unrecorded | TN Republican Candidate |
| Wayne Allard | NO | CO Republican Jr Senator |
| George Allen | Unrecorded | VA Republican Jr Senator |
| John Ashcroft | NO | MO Republican Senator (Former) |
| Michael Benjamin | Unrecorded | NY Republican Challenger |
| Robert Bennett | Unknown | UT Republican Jr Senator |
| Kit Bond | YES | MO Republican Sr Senator |
| Hank Brown | Unrecorded | CO Republican Senator (Former) |
| Sam Brownback | NO | KS Republican Sr Senator |
| Jim Bunning | Unrecorded | KY Republican Jr Senator |
| Conrad Burns | NO | MT Republican Jr Senator |
| Ben Nighthorse Campbell | YES | CO Republican Sr Senator |
| John Chafee | YES | RI Republican Senator (Former) |
| Lincoln Chafee | Unrecorded | RI Republican Jr Senator |
| Saxby Chambliss | Unrecorded | GA Republican Jr Senator |
| Ray Clatworthy | Unrecorded | DE Republican Challenger |
| Daniel Coats | Unknown | IN Republican Senator (Former) |
| Thad Cochran | NO | MS Republican Sr Senator |
| William Cohen | Unrecorded | ME Republican Senator (Former) |
| Norm Coleman | Unrecorded | MN Republican Challenger |
| Susan Collins | YES | ME Republican Jr Senator |
| John Cooksey | Unrecorded | LA Republican Nominee |
| John Cornyn | Unrecorded | TX Republican Challenger |
| Paul Coverdell | NO | GA Republican Senator (Former) |
| Larry Craig | NO | ID Republican Sr Senator |
| Michael Crapo | Unrecorded | ID Republican Jr Senator |
| Al D'Amato | YES | NY Republican Jr Senator |
| Mike DeWine | NO | OH Republican Sr Senator |
| Bob Dole | Unrecorded | KS Republican Senator (Former) |
| Elizabeth Dole | Unrecorded | NC Republican Candidate |
| Pete Domenici | YES | NM Republican Sr Senator |
| James Durkin | Unrecorded | IL Republican Challenger |
| John Ensign | Unrecorded | NV Republican Jr Senator |
| Michael Enzi | NO | WY Republican Jr Senator |
| Lauch Faircloth | NO | NC Republican Senator (Former) |
| Peter Fitzgerald | Unrecorded | IL Republican Jr Senator |
| Douglas Forrester | Unrecorded | NJ Republican Challenger |
| Sheila Frahm | Unrecorded | KS Republican Senate Appointee (Former) |
| Bill Frist | NO | TN Republican Jr Senator |
| Greg Ganske | Unrecorded | IA Republican Nominee |
| Slade Gorton | NO | WA Republican Senator (Former) |
| Lindsey Graham | Unrecorded | SC Republican Jr Senator |
| Phil Gramm | NO | TX Republican Sr Senator |
| Rod Grams | NO | MN Republican Senator (Former) |
| Chuck Grassley | NO | IA Republican Sr Senator |
| Judd Gregg | NO | NH Republican Jr Senator |
| Chuck Hagel | NO | NE Republican Jr Senator |
| Orrin Hatch | NO | UT Republican Sr Senator |
| Mark Hatfield | Unrecorded | OR Republican Senator (Former) |
| Jesse Helms | Unknown | NC Republican Sr Senator |
| Tim Hutchinson | NO | AR Republican Sr Senator |
| Kay Bailey Hutchison | Unknown | TX Republican Jr Senator |
| James Inhofe | NO | OK Republican Jr Senator |
| Jim Jeffords | YES | VT Republican Jr Senator |
| Nancy Kassebaum | Unrecorded | KS Republican Senator (Former) |
| Dirk Kempthorne | YES | ID Republican Governor |
| Jon Kyl | NO | AZ Republican Jr Senator |
| Trent Lott | NO | MS Republican Jr Senator |
| Richard Lugar | NO | IN Republican Sr Senator |
| Connie Mack | NO | FL Republican Jr Senator |
| John McCain | YES | AZ Republican Sr Senator |
| Mitch McConnell | NO | KY Republican Sr Senator |
| Frank Murkowski | YES | AK Republican Senator (Former; now Governor) |
| Lisa Murkowski | Unrecorded | AK Republican Jr Senator |
| Don Nickles | NO | OK Republican Sr Senator |
| Bob Packwood | Unrecorded | OR Republican Senator (Former) |
| Larry Pressler | Unrecorded | SD Republican Senator (Former) |
| Rocky Raczkowski | Unrecorded | MI Republican Challenger |
| Pat Roberts | NO | KS Republican Jr Senator |
| William Roth | YES | DE Republican Senator (Former) |
| Rick Santorum | NO | PA Republican Jr Senator |
| Jeff Sessions | NO | AL Republican Senator (Former) |
| Richard Shelby | NO | AL Republican Sr Senator |
| Alan Simpson | Unrecorded | WY Republican Senator (Former) |
| Bob Smith | NO | NH Republican Sr Senator |
| Gordon Harold Smith | NO | OR Republican Jr Senator |
| Olympia Snowe | YES | ME Republican Sr Senator |
| Arlen Specter | YES | PA Republican Sr Senator |
| Ted Stevens | YES | AK Republican Sr Senator |
| John Sununu | Unrecorded | NH Republican Jr Senator |
| Jim Talent | Unrecorded | MO Republican Jr Senator |
| Mike Taylor | Unrecorded | MT Republican Challenger |
| Craig Thomas | NO | WY Republican Sr Senator |
| Fred Thompson | NO | TN Republican Sr Senator |
| Strom Thurmond | NO | SC Republican Sr Senator |
| Bob Tingle | Unrecorded | RI Republican Challenger |
| George Voinovich | Unrecorded | OH Republican Jr Senator |
| John Warner | YES | VA Republican Sr Senator |
| Jay Wolfe | Unrecorded | WV Republican Challenger |
Independents voting on 1998-23 | ||
| Howell Heflin | Unrecorded | AL Former Senator |