| Rank (Country) | Name | Age | Mission | Days since last mission |
| 1.(USA 1) | James Lovell | 42 | Apollo 13 | 470 |
| 2.(USA 2) | John Young | 41 | Apollo 16 | 1,055 |
| 3.(USA 3) | Charles Conrad+ | 42 | Skylab 1 | 1,278 |
| 4.(USA 4) | Thomas Stafford | 44 | Apollo 18 | 2,241 |
| 5.(RUS 1) | Oleg Makarov | 47 | Soyuz-T 3 | 1,046 |
| 6.(RUS 2) | Gennadi Strekalov | 43 | Soyuz-T 11 | 190 |
| 7.(RUS 3) | Vladimir Dzhanibekov | 42 | Soyuz-T 12 | 746 |
| 8.(USA 5) | Robert Crippen | 47 | Challenger 6 | 175 |
| 9.(USA 6) | Vance Brand | 59 | Columbia 10 | 2,486 |
| 10.(USA 7) | Jame Buchli | 46 | Discovery 13 | 908 |
| 11.(USA 8) | F. Story Musgrave | 56 | Atlantis 10 | 727 |
| 12.(USA 9) | David Hilmers | 41 | Discovery 14 | 689 |
| 12.(USA 9) | Norman Thagard | 48 | Discovery 14 | 989 |
| 14.(USA 11) | Daniel Brandenstein | 49 | Endeavour 1 | 838 |
| 15.(USA 12) | Robert Gibson | 45 | Endeavour 2 | 1,376 |
| 16.(USA 13) | Guion Bluford | 50 | Discovery 15 | 576 |
| 17.(USA 14) | Steven Nagel | 46 | Columbia 14 | 746 |
| 17.(USA 14) | Jerry Ross | 45 | Columbia 14 | 746 |
| 19.(USA 16) | Ronald Grabe | 48 | Endeavour 4 | 445 |
| 20.(RUS 4) | Aleksander Serebrov | 49 | Soyuz-TM 17 | 1,228 |
| 21.(USA 17) | John Blaha | 51 | Columbia 15 | 799 |
| 21.(USA 17) | Shannon Lucid | 50 | Columbia 15 | 799 |
| 23.(USA 19) | Richard Covey | 47 | Endeavour 5 | 1,108 |
| 23.(USA 19) | Jeffery Hoffman | 49 | Endeavour 5 | 481 |
| 25.(USA 21) | Charles Bolden | 47 | Discovery 18 | 672 |
| 25.(USA 21) | Franklin Chang-Diaz | 43 | Discovery 18 | 544 |
| 27.(USA 23) | Richard Richards | 48 | Discovery 19 | 792 |
| 28.(RUS 5) | Aleksander Viktorenko | 47 | Soyuz-TM 20 | 785 |
| 29.(RUS 6) | Vladimir Titov | 48 | Discovery 20 | 2,601 |
| 30.(USA 24) | Bonnie Dunbar | 46 | Atlantis 14 | 1,097 |
| 30.(RUS 7) | Anatoly Solovyov | 47 | Atlantis 14 | 1,065 |
| 32.(USA 25) | David Walker | 51 | Endeavour 9 | 1,009 |
| 33.(USA 26) | Kathryn Thornton | 43 | Columbia 18 | 687 |
| 34.(USA 27) | John Casper | 52 | Endeavour 11 | 807 |
| 35.(USA 28) | Terrence Henricks | 43 | Columbia 20 | 343 |
| 36.(USA 29) | Thomas Akers | 45 | Atlantis 17 | 1,019 |
| 36.(USA 29) | Jay Apt | 47 | Atlantis 17 | 891 |
| 38.(USA 31) | Tamara Jernigan | 37 | Columbia 21 | 628 |
| 39.(USA 32) | Michael Baker | 43 | Atlantis 18 | 835 |
| 39.(USA 32) | Marsha Ivins | 45 | Atlantis 18 | 1,045 |
| 41.(USA 34) | Kenneth Bowersox | 40 | Discovery 22 | 480 |
| 41.(USA 34) | Gregory Harbaugh | 40 | Discovery 22 | 595 |
| 41.(USA 34) | Steven Hawley | 45 | Discovery 22 | 2,485 |
| 41.(USA 34) | Mark Lee | 44 | Discovery 22 | 886 |
| 45.(USA 38) | C. Michael Foale | 40 | Atlantis 19 | 832 |
| 46.(USA 39) | James Halsell | 40 | Columbia 23 | 88 |
| 46.(USA 39) | Donald Thomas | 42 | Columbia 23 | 88 |
| 46.(USA 39) | Janice Voss-Ford | 40 | Columbia 23 | 88 |
| 48.(USA 41) | Curtis Brown | 41 | Discovery 23 | 445 |
| 49.(USA 42) | James Wetherbee | 44 | Atlantis 20 | 966 |
| 50.(USA 43) | Charles Precourt | 42 | Discovery 24 | 383 |
| 50.(RUS 8) | Valeri Ryumin | 58 | Discovery 24 | 6,628 |
| 52.(USA 44) | Robert Cabana | 49 | Endeavour 13 | 1,610 |
| 52.(RUS 9) | Sergei Krikalyov | 40 | Endeavour 13 | 1,765 |
| 54.(USA 45) | Kent Rominger | 42 | Discovery 26 | 658 |
| 55.(SWS 1) | Claude Nicollier | 55 | Discovery 27 | 1,396 |
| 56.(USA 46) | Kevin Kregel | 43 | Endeavour 14 | 814 |
| 57.(USA 47) | Susan Helms | 42 | Atlantis 21 | 1,429 |
| 57.(USA 47) | James Voss | 51 | Atlantis 21 | 1,716 |
| 59. (USA 49) | Terrence Wilcutt | 50 | Atlantis 22 | 960 |
| 60. (USA 50) | Brian Duffy | 47 | Discovery 28 | 1,735 |
| 60. (USA 50) | Peter J. K. Wisoff | 42 | Discovery 28 | 1,368 |
| 62. (USA 52) | William Shepherd | 51 | Soyuz-TM 31 | 2,931 |
| Country | Shortest | Longest | Average |
| USA (52) | 88 | 2,486 | 940.346 (2.575) |
| RUS (9) | 1,396 | 6,628 | 1,783.778 (4.884) |
| ROW (1) | 1,396 | 1,396 | 1,396.000 (3.822) |
| Total (62) | 88 | 6,628 | 1,070.129 (2.930) |
| Vance Brand - USA | 59 | Columbia 10 |
| Shannon Lucid - USA | 50 | Columbia 15 |
| Valeri Ryumin | 58 | Discovery 24 |
| None Yet | Not Applicable | Not Applicable |
| Claude Nicollier - Switzerland | 55 | Discovery 27 |
| None Yet | Not Applicable | Not Applicable |
| John Young - USA | 41 | Apollo 16 |
| Tamara Jernigan - USA | 37 | Columbia 21 |
| Vladimir Dzhanibekov | 42 | Soyuz-T 12 |
| None Yet | Not Applicable | Not Applicable |
| Claude Nicollier - Switzerland | 55 | Discovery 27 |
| None Yet | Not Applicable | Not Applicable |
| Valeri Ryumin - Russia | 6,628 days (18.147 years) | Discovery 24 |
| Bonnie Dunbar - USA | 1,097 days (3.003 years) | Atlantis 14 |
| Vance Brand | 2,486 days (6.806 years) | Columbia 10 |
| None Yet | Not Applicable | Not Applicable |
| Claude Nicollier - Switzerland | 1,396 days (3.822 years) | Discovery 27 |
| None Yet | Not Applicable | Not Applicable |
| James Halsell - USA | 88 days | Columbia 23 |
| Donald Thomas - USA | 88 days | Columbia 23 |
| Janice Voss-Ford - USA | 88 days | Columbia 23 |
| Gennadi Strekalov | 190 days | Soyuz-T 11 |
| None Yet | Not Applicable | Not Applicable |
| Claude Nicollier - Switzerland | 1,396 days (3.822 years) | Discovery 27 |
| None Yet | Not Applicable | Not Applicable |