| Some members | Class (year of election) |
|---|
| Jim DeMint, Tom Coburn, Barack Obama | |
| Hillary Clinton, Ben Nelson, George Allen | |
| Robert Byrd, Edmund Muskie, Hugh Scott | |
| Al Gore, John Kerry, Mitch McConnell | |
| Jim Webb, Claire McCaskill, Bob Corker | |
| Jeff Bingaman, Peter Wilson, Chic Hecht | |
| Chuck Grassley, Dan Quayle, Chris Dodd | |
| Caleb Boggs, Lee Metcalf, Claiborne Pell | |
| Heidi Heitkamp, Ted Cruz, Elizabeth Warren | |
| Thad Cochran, John Warner, Carl Levin | |
| Joe Lieberman, Herb Kohl, Trent Lott | |
| Bill Frist, Rick Santorum, Olympia Snowe | |
| Lindsey Graham, Norm Coleman, Mark Pryor | |
| Mitt Romney, Jacky Rosen, Kevin Cramer | |
| Paul Sarbanes, Daniel Patrick Moynihan, Orrin Hatch | |
| Jeff Sessions, Michael Enzi, Dick Durbin | |
| | Some members | Class (year of election) |
|---|
| Larry Craig, Hank Brown, Paul Wellstone | |
| Rand Paul, Marco Rubio, Richard Blumenthal | |
| Barbara Boxer, Russ Feingold, Judd Gregg | |
| Tommy Tuberville, John Hickenlooper, Cynthis Lummis | |
| Jesse Helms, Pete Domenici, Joe Biden | |
| Cory Gardner, Gary Peters, Joni Ernst | |
| Chuck Schumer, John Edwards, Jim Bunning | |
| Lloyd Bentsen, John Tunney, Lowell Weicker | |
| Daniel Inouye, George McGovern, Peter Dominick | |
| Howard Baker, Mark Hatfield, William Spong | |
| Mark Udall, Tom Udall, Mike Johanns | |
| Harry Reid, Tom Daschle, John McCain | |
| Patrick Leahy, Gary Hart, Paul Laxalt | |
| Alan Cranston, Mike Gravel, Bob Dole | |
| Kamala Harris, Todd Young, Tammy Duckworth | |
| Robert F. Kennedy, Joseph Tydings, Paul Fannin | |
|
