| Rank (Country) | Name | Age | Mission | Days since becomeing an astro/cosmonaut |
| 1. (RUS 1) | Yuri Gagain | 27 | Vostok 1 | 401 |
| 2. (USA 1) | Alan Shepard | 38 | Mercury 3 | 757 |
| 3. (USA 2) | Virgil Grissom | 35 | Mercury 4 | 834 |
| 4. (RUS 2) | Gherman Titov | 25 | Vostok 2 | 517 |
| 5. (USA 3) | John Glenn | 40 | Mercury 6 | 1,048 |
| 6. (USA 4) | M. Scott Carpenter | 37 | Mercury 7 | 1,141 |
| 7. (RUS 3) | Andrian Nikolayev | 32 | Vostok 3 | 887 |
| 8. (RUS 4) | Pavel Popovich | 31 | Vostok 4 | 888 |
| 9. (USA 5) | Walter Schirra | 39 | Mercury 8 | 1,273 |
| 10. (USA 6) | L. Gordon Cooper | 36 | Mercury 9 | 1,497 |
| 11. (RUS 5) | Valeri Bykovsky | 28 | Vostok 5 | 1,194 |
| 12. (RUS 6) | Valentina Tereshkova | 26 | Vostok 6 | 473 |
| 13. (RUS 7) | Konstantin Feoktistov | 38 | Voskhod | 166* |
| 13. (RUS 7) | Vladimir Komarov | 37 | Voskhod | 1,680 |
| 13. (RUS 7) | Boris Yegorov | 27 | Voskhod | 166* |
| 16. (RUS 10) | Pavel Belyayev | 39 | Voskhod 2 | 1,837 |
| 16. (RUS 10) | Alexei Leonov | 30 | Voskhod 2 | 1,837 |
| 18. (USA 7) | John Young | 34 | Gemini 3 | 918 |
| 19. (USA 8) | James McDivitt | 35 | Gemini 4 | 990 |
| 19. (USA 8) | Edward White+ | 34 | Gemini 4 | 990 |
| 21. (USA 10) | Charles Conrad+ | 35 | Gemini 5 | 1,069 |
| 22. (USA 11) | Frank Borman | 37 | Gemini 7 | 1,174 |
| 22. (USA 11) | James Lovell | 37 | Gemini 7 | 1,174 |
| 24. (USA 13) | Thomas Stafford | 35 | Gemini 6 | 1,185 |
| 25. (USA 14) | Neil Armstrong | 35 | Gemini 8 | 1,276 |
| 25. (USA 14) | David Scott | 34 | Gemini 8 | 880 |
| 27. (USA 16) | Eugene Cernan | 32 | Gemini 9 | 959 |
| 28. (USA 17) | Michael Collins | 36 | Gemini 10 | 1,004 |
| 29. (USA 18) | Richard Gordon | 37 | Gemini 11 | 1,060 |
| 30. (USA 19) | Edwin Aldrin | 36 | Gemini 12 | 1,120 |
| N/A | Roger B. Chaffee | 31 | Apollo 1 | N/A |
| 31. (USA 20) | Walter Cunningham | 36 | Apollo 7 | 1,820 |
| 31. (USA 20) | Donn Eisele | 38 | Apollo 7 | 1,820 |
| 33. (RUS 12) | Georgi Beregovoi+ | 47 | Soyuz 3 | 1,737 |
| 34. (USA 22) | William Anders | 35 | Apollo 8 | 1,891 |
| 35. (RUS 13) | Vladimir Shatalov | 42 | Soyuz 4 | 2,196 |
| 36. (RUS 14) | Yevgeni Khrunov+ | 34 | Soyuz 5 | 3,236 |
| 36. (RUS 14) | Boris Volynov | 34 | Soyuz 5 | 3,236 |
| 36. (RUS 14) | Alexei Yeliseyev | 35 | Soyuz 5 | 968 |
| 39. (USA 23) | Russell Schweickart | 33 | Apollo 9 | 1,963 |
| 40. (RUS 17) | Valeri Kubasov | 34 | Soyuz 6 | 1,237 |
| 40. (RUS 17) | Georgi Shonin | 34 | Soyuz 6 | 3,505 |
| 42. (RUS 19) | Anatoli Filipchenko | 41 | Soyuz 7 | 2,167 |
| 42. (RUS 19) | Viktor Gorbatko | 34 | Soyuz 7 | 1,238 |
| 42. (RUS 19) | Valdislav Volkov+ | 33 | Soyuz 7 | 1,238 |
| 45. (USA 24) | Alan Bean | 37 | Apollo 12 | 2,219 |
| 46. (USA 25) | Fred Haise | 36 | Apollo 13 | 1,468 |
| 46. (USA 25) | John Swigert | 39 | Apollo 13 | 1,468 |
| 48. (RUS 22) | Vitali Sevastyanov | 34 | Soyuz 9 | 1,240 |
| 49. (USA 27) | Edgar Mitchell | 40 | Apollo 14 | 1,763 |
| 49. (USA 27) | Stuart Roosa | 37 | Apollo 14 | 1,763 |
| 51. (RUS 23) | Nikolai Rukavishnikov | 38 | Soyuz 10 | 1,566 |
| 52. (RUS 24) | Georgi Dobrovolsky+ | 43 | Soyuz 11 | 3,069 |
| 52. (RUS 24) | Viktor Patsayev+ | 38 | Soyuz 11 | 1,108 |
| 54. (USA 29) | James Irwin | 41 | Apollo 15 | 1,939 |
| 54. (USA 29) | Alfred Worden | 39 | Apollo 15 | 1,939 |
| 56. (USA 31) | Charles Duke | 36 | Apollo 16 | 2,204 |
| 56. (USA 31) | Thomas Mattingly | 36 | Apollo 16 | 2,204 |
| 58. (USA 33) | Ronald Evans | 39 | Apollo 17 | 2,439 |
| 58. (USA 33) | Harrison Schmitt | 37 | Apollo 17 | 2,720 |
| 60. (USA 35) | Joseph Kerwin | 41 | Skylab 1 | 2,889 |
| 60. (USA 35) | Paul Weitz | 40 | Skylab 1 | 2,608 |
| 62. (USA 37) | Owen Garriott | 42 | Skylab 2 | 2,953 |
| 62. (USA 37) | Jack Lousma | 37 | Skylab 2 | 2,672 |
| 64. (RUS 26) | Vasili Lazarev+ | 45 | Soyuz 12 | 3,436* |
| 64. (RUS 26) | Oleg Makarov | 40 | Soyuz 12 | 2,684 |
| 66. (USA 39) | Gerald Carr | 41 | Skylab 3 | 2,783 |
| 66. (USA 39) | Edward Gibson | 37 | Skylab 3 | 3,064 |
| 66. (USA 39) | William Pogue | 43 | Skylab 3 | 2,783 |
| 69. (RUS 28) | Pyotr Klimuk | 31 | Soyuz 13 | 2,976 |
| 69. (RUS 28) | Valentin Lebedev | 31 | Soyuz 13 | 636 |
| 71. (RUS 30) | Yuri Artyukhin | 44 | Soyuz 14 | 4,192 |
| 72. (RUS 31) | Lev Demin | 48 | Soyuz 15 | 4,246 |
| 72. (RUS 31) | Gennadi Sarafanov | 32 | Soyuz 15 | 3,227 |
| 74. (RUS 33) | Alexei Gubarev | 42 | Soyuz 17 | 3,155 |
| 74. (RUS 33) | Georgi Grechko | 42 | Soyuz 17 | 4,384 |
| 76. (USA 42) | Vance Brand | 44 | Apollo 18 | 3,389 |
| 76. (USA 42) | Donald Slayton | 51 | Apollo 18 | 5,941 |
| 78. (RUS 35) | Vitali Zholobov | 39 | Soyuz 21 | 4,926 |
| 79. (RUS 36) | Vladimir Aksyonov | 41 | Soyuz 22 | 1,268 |
| 80. (RUS 37) | Valeri Rozhdestvensky | 37 | Soyuz 23 | 4,007 |
| 80. (RUS 37) | Vyacheslav Zudov | 34 | Soyuz 23 | 4,007 |
| 82. (RUS 39) | Yuri Glazkov | 37 | Soyuz 24 | 4,123 |
| 83. (RUS 40) | Vladimir Kovalyonok | 35 | Soyuz 25 | 3,808 |
| 83. (RUS 40) | Valeri Ryumin | 38 | Soyuz 25 | 1,657 |
| 85. (RUS 42) | Yuri Romanenko | 33 | Soyuz 26 | 2,784 |
| 86. (RUS 43) | Vladimir Dzhanibekov | 35 | Soyuz 27 | 2,815 |
| 87. (CZK 1) | Vladimir Remek | 29 | Soyuz 28 | 451 |
| 88. (RUS 44) | Alexander Ivanchenkov | 37 | Soyuz 29 | 1,906 |
| 89. (POL 1) | Miroslaw Hermaszewski | 36 | Soyuz 30 | 568 |
| 90. (GRM 1) | Sigmund Jahn | 41 | Soyuz 31 | 628 |
| 91. (RUS 45) | Vladimir Lyakhov | 37 | Soyuz 32 | 4,312 |
| 92. (BUL 1) | Georgi Ivanov | 38 | Soyuz 33 | 407 |
| 93. (RUS 46) | Leonid Popov | 34 | Soyuz 35 | 3,636 |
| 94. (HUN 1) | Bertalan Farkas | 30 | Soyuz 36 | 809 |
| 95. (RUS 47) | Yuri Malyshev+ | 38 | Soyuz-T 2 | 4,778 |
| 96. (VTN 1) | Pham Tuan | 33 | Soyuz 37 | 479 |
| 97. (CUB 1) | Arnaldo Mendez | 38 | Soyuz 38 | 932 |
| 98. (RUS 48) | Leonid Kizim | 39 | Soyuz-T 3 | 4,417 |
| 98. (RUS 48) | Gennadi Strekalov | 40 | Soyuz-T 3 | 2,802 |
| 100. (RUS 50) | Viktor Savinykh | 41 | Soyuz-T 4 | 832 |
| 101. (MON 1) | Jugderdemidyin Gurragcha | 33 | Soyuz 39 | 1,117 |
| 102. (USA 44) | Robert Crippen | 43 | Columbia 1 | 4,259 |
| 103. (ROM 1) | Dumitru Prunariu | 28 | Soyuz 40 | 1,172 |
| 104. (USA 45) | Joseph Engle | 49 | Columbia 2 | 5,701 |
| 104. (USA 45) | Richard Truly# | 44 | Columbia 2 | 4,595 |
| 106. (USA 47) | Charles Fullerton | 45 | Columbia 3 | 4,725 |
| 107. (RUS 51) | Anatoli Berezovoy | 40 | Soyuz-T 5 | 4,399 |
| 108. (FRA 1) | Jean-Loup Chretien | 44 | Soyuz-T 6 | 742 |
| 109. (USA 48) | Henry Hartsfield | 48 | Columbia 4 | 4,822 |
| 110. (RUS 52) | Svetlana Savitskaya | 34 | Soyuz-T 7 | 750 |
| 110. (RUS 52) | Alexander Serebrov | 38 | Soyuz-T 7 | 1,357 |
| 112. (USA 49) | Joseph Allen | 43 | Columbia 5 | 5,578 |
| 112. (USA 49) | William Lenoir | 45 | Columbia 5 | 5,578 |
| 112. (USA 49) | Robert Overmyer+ | 46 | Columbia 5 | 4,959 |
| 115. (USA 52) | Karol Bobko | 45 | Challenger 1 | 5,103 |
| 115. (USA 52) | F. Story Musgrave | 47 | Challenger 1 | 5,722 |
| 115. (USA 52) | Donald Peterson | 49 | Challenger 1 | 5,103 |
| 118. (RUS 54) | Vladimir Titov | 36 | Soyuz-T 8 | 2,431 |
| 119. (USA 55) | John Fabian | 44 | Challenger 2 | 1,807 |
| 119. (USA 55) | Frederick Hauck | 42 | Challenger 2 | 1,807 |
| 119. (USA 55) | Sally Ride | 32 | Challenger 2 | 1,807 |
| 119. (USA 55) | Norman Thagard | 39 | Challenger 2 | 1,807 |
| 123. (RUS 55) | Alexander Aleksandrov | 40 | Soyuz-T 9 | 1,669 |
| 124. (USA 59) | Guion Bluford | 40 | Challenger 3 | 1,880 |
| 124. (USA 59) | Daniel Brandenstein | 40 | Challenger 3 | 1,880 |
| 124. (USA 59) | Dale Gardner | 34 | Challenger 3 | 1,880 |
| 124. (USA 59) | William Thornton | 54 | Challenger 3 | 5,870 |
| 128. (USA 63) | Byron Lichtenberg | 35 | Columbia 6 | 2,037* |
| 128. (GRM 2) | Ulf Merbold | 42 | Columbia 6 | 2,037* |
| 128. (USA 63) | Robert A. K. Parker | 46 | Columbia 6 | 5,960 |
| 128. (USA 63) | Brewster Shaw | 38 | Columbia 6 | 1,970 |
| 132. (USA 66) | Robert Gibson | 37 | Challenger 4 | 2,037 |
| 132. (USA 66) | Bruce McCandless II | 46 | Challenger 4 | 6,514 |
| 132. (USA 66) | Ronald McNair+ | 33 | Challenger 4 | 2,037 |
| 132. (USA 66) | Robert Stewart | 41 | Challenger 4 | 2,037 |
| 136. (RUS 56) | Oleg Atkov | 34 | Soyuz-T 10 | 336 |
| 136. (RUS 56) | Vladimir Solovyov | 37 | Soyuz-T 10 | 1,895 |
| 138. (IND 1) | Rakesh Sharma | 35 | Soyuz-T 11 | 561 |
| 139. (USA 70) | Terry Hart | 37 | Challenger 5 | 2,100 |
| 139. (USA 70) | George Nelson | 33 | Challenger 5 | 2,100 |
| 139. (USA 70) | Francis Scobee+ | 44 | Challenger 5 | 2,100 |
| 139. (USA 70) | James van Hoften | 39 | Challenger 5 | 2,100 |
| 143. (RUS 58) | Igor Volk | 47 | Soyuz-T 12 | 2,754* |
| 144. (USA 74) | Michael Coats | 38 | Discovery 1 | 2,246 |
| 144. (USA 74) | Steven Hawley | 32 | Discovery 1 | 2,246 |
| 144. (USA 74) | Richard Mullane | 38 | Discovery 1 | 2,246 |
| 144. (USA 74) | Judith Resnik+ | 35 | Discovery 1 | 2,246 |
| 144. (USA 74) | Charles Walker | 36 | Discovery 1 | 607* |
| 149. (CAN 1) | Marc Garneau | 35 | Challenger 6 | 305 |
| 149. (USA 79) | David Leestma | 35 | Challenger 6 | 1,551 |
| 149. (USA 79) | Jon McBride | 41 | Challenger 6 | 2,282 |
| 149. (USA 79) | Paul Scully-Power | 40 | Challenger 6 | 126* |
| 149. (USA 79) | Kathryn Sullivan | 33 | Challenger 6 | 2,282 |
| 154. (USA 83) | Anna Fisher | 35 | Discovery 2 | 2,316 |
| 154. (USA 83) | David Walker | 40 | Discovery 2 | 2,316 |
| 156. (USA 85) | James Buchli | 38 | Discovery 3 | 2,393 |
| 156. (USA 85) | Ellison Onizuka+ | 39 | Discovery 3 | 2,393 |
| 156. (USA 85) | Gary Payton | 36 | Discovery 3 | 2,003* |
| 156. (USA 85) | Loren Shriver | 40 | Discovery 3 | 2,393 |
| 160. (USA 89) | E. J. Jake Garn | 52 | Discovery 4 | 162* |
| 160. (USA 89) | S. David Griggs+ | 45 | Discovery 4 | 2,471 |
| 160. (USA 89) | Jeffrey Hoffman | 40 | Discovery 4 | 2,471 |
| 160. (USA 89) | M. Rhea Seddon | 37 | Discovery 4 | 2,471 |
| 160. (USA 89) | Donald Williams | 40 | Discovery 4 | 2,471 |
| 165. (USA 94) | Frederick Gregory | 44 | Challenger 7 | 2,488 |
| 165. (USA 94) | Don Lind | 54 | Challenger 7 | 6,965 |
| 165. (USA 94) | Lodewijk van den Berg | 53 | Challenger 7 | 698* |
| 165. (USA 94) | Taylor Wang | 44 | Challenger 7 | 698* |
| 169. (SAU 1) | Abdul Aziz Al-Saud | 28 | Discovery 5 | 442 |
| 169. (FRA 2) | Patrick Baudry | 39 | Discovery 5 | 1,831 |
| 169. (USA 98) | John Creighton | 42 | Discovery 5 | 2,537 |
| 169. (USA 98) | Shannon Lucid | 42 | Discovery 5 | 2,537 |
| 169. (USA 98) | Steve Nagel | 38 | Discovery 5 | 2,537 |
| 174. (USA101) | Loren Acton | 49 | Challenger 8 | 2,676* |
| 174. (USA101) | John David Bartoe | 40 | Challenger 8 | 2,676* |
| 174. (USA101) | Roy Bridges | 42 | Challenger 8 | 1,848 |
| 174. (USA101) | Anthony England | 43 | Challenger 8 | 6,569 |
| 174. (USA101) | Karl Henize+ | 58 | Challenger 8 | 6,569 |
| 179. (USA106) | Richard Covey | 39 | Discovery 6 | 2,608 |
| 179. (USA106) | William Fisher | 39 | Discovery 6 | 2,608 |
| 179. (USA106) | John Lounge | 39 | Discovery 6 | 1,877 |
| 182. (RUS 59) | Vladimir Vasyutin | 33 | Soyuz-T 14 | 3,312 |
| 182. (RUS 59) | Alexander Volkov | 37 | Soyuz-T 14 | 3,312 |
| 184. (USA109) | Ronald Grabe | 40 | Atlantis 1 | 1,914 |
| 184. (USA109) | David Hilmers | 35 | Atlantis 1 | 1,914 |
| 184. (USA109) | William Pailes | 33 | Atlantis 1 | 1,128* |
| 187. (USA112) | Bonnie Dunbar | 36 | Challenger 9 | 1,941 |
| 187. (GRM 3) | Reinhard Furrer+ | 44 | Challenger 9 | 1,064* |
| 187. (GRM 3) | Ernst Messerschmid | 40 | Challenger 9 | 1,064* |
| 187. (NTH 1) | Wubbo Ockels | 39 | Challenger 9 | 2,739* |
| 191. (USA113) | Mary Cleave | 38 | Atlantis 2 | 1,968 |
| 191. (MEX 1) | Rudolfo Neri-Vela | 33 | Atlantis 2 | 148* |
| 191. (USA113) | Bryan O'Connor | 39 | Atlantis 2 | 1,968 |
| 191. (USA113) | Jerry Ross | 37 | Atlantis 2 | 1,968 |
| 191. (USA113) | Sherwood Spring | 41 | Atlantis 2 | 1,968 |
| 196. (USA117) | Charles Bolden | 39 | Columbia 7 | 2,015 |
| 196. (USA117) | Robert Cenker | 37 | Columbia 7 | 42* |
| 196. (USA117) | Franklin Chang-Diaz | 35 | Columbia 7 | 2,015 |
| 196. (USA117) | C. William Nelson | 43 | Columbia 7 | 133 |
| N/A | Gregory Bruce Jarvis+ | 41 | Challenger 10 | N/A |
| N/A | Sharon Christa McAuliffe+ | 37 | Challenger 10 | N/A |
| N/A | Michael John Smith+ | 40 | Challenger 10 | N/A |
| 200. (RUS 61) | Aleksander Laveykin | 35 | Soyuz-TM 2 | 2,989 |
| 201. (RUS 62) | Aleksander Viktorenko | 40 | Soyuz-TM 3 | 3,347 |
| 201. (SYR 1) | Mohammed Faris | 36 | Soyuz-TM 3 | 295 |
| 203. (RUS 63) | Anatoli Levchenko+ | 46 | Soyuz-TM 4 | 4,006* |
| 203. (RUS 63) | Musa Manarov | 36 | Soyuz-TM 4 | 3,307 |
| 205. (BUL 2) | Aleksander Aleksandrov | 36 | Soyuz-TM 5 | 3,751 |
| 205. (RUS 65) | Anatoli Solovyov | 40 | Soyuz-TM 5 | 4,306 |
| 207. (AFG 1) | Adbul Ahad Mohmand | 29 | Soyuz-TM 6 | 261 |
| 207. (RUS 66) | Valeri Polyakov | 46 | Soyuz-TM 6 | 6,004 |
| 209. (RUS 67) | Sergei Krikalyov | 30 | Soyuz-TM 7 | 1,180 |
| 210. (USA121) | Guy Gardner | 40 | Atlantis 3 | 3,070 |
| 210. (USA121) | William Shepherd | 39 | Atlantis 3 | 1,615 |
| 212. (USA123) | James Bagian | 47 | Discovery 8 | 3,171 |
| 212. (USA123) | John Blaha | 46 | Discovery 8 | 3,171 |
| 212. (USA123) | Robert Springer | 46 | Discovery 8 | 3,171 |
| 215. (USA126) | Mark Lee | 36 | Atlantis 4 | 1,768 |
| 216. (USA127) | James Adamson | 43 | Columbia 8 | 1,864 |
| 216. (USA127) | Mark Brown | 47 | Columbia 8 | 1,864 |
| 216. (USA127) | Richard Richards | 42 | Columbia 8 | 3,319 |
| 219. (USA130) | Michael McCulley | 46 | Atlantis 5 | 1,935 |
| 219. (USA130) | Ellen Shulman-Baker | 36 | Atlantis 5 | 1,935 |
| 221. (USA132) | Manley Carter+ | 42 | Discovery 9 | 1,970 |
| 221. (USA132) | Kathryn Thornton | 37 | Discovery 9 | 1,970 |
| 223. (USA134) | Marsha Ivins | 38 | Columbia 9 | 2,018 |
| 223. (USA134) | G. David Low | 33 | Columbia 9 | 2,018 |
| 223. (USA134) | James Wetherbee | 37 | Columbia 9 | 2,018 |
| 226. (RUS 68) | Aleksander Balandin | 36 | Soyuz-TM 9 | 4,090 |
| 227. (USA137) | John Casper | 46 | Atlantis 6 | 2,068 |
| 227. (USA137) | Pierre Thuot | 34 | Atlantis 6 | 1,730 |
| 229. (RUS 69) | Gennadi Manakov | 40 | Soyuz-TM 10 | 1,714 |
| 230. (USA139) | Thomas Akers | 39 | Discovery 11 | 1,223 |
| 230. (USA139) | Robert Cabana | 41 | Discovery 11 | 1,950 |
| 230. (USA139) | Bruce Melnick | 40 | Discovery 11 | 1,223 |
| 233. (USA142) | Frank Culbertson | 35 | Atlantis 7 | 2,328 |
| 233. (USA142) | Charles Gemar | 35 | Atlantis 7 | 1,990 |
| 233. (USA142) | Carl Meade | 39 | Atlantis 7 | 1,990 |
| 236. (USA145) | Samuel Durrance | 47 | Columbia 10 | 2,375* |
| 236. (USA145) | Ronald Parise | 39 | Columbia 10 | 2,375* |
| 238. (RUS 70) | Viktor Afanasyev | 41 | Soyuz-TM 11 | 1,837 |
| 238. (JAP 1) | Toyohiro Akiyama | 48 | Soyuz-TM 11 | 472 |
| 240. (USA147) | Jay Apt | 41 | Atlantis 8 | 2,131 |
| 240. (USA147) | Kenneth Cameron | 41 | Atlantis 8 | 2,469 |
| 240. (USA147) | Linda Godwin | 38 | Atlantis 8 | 2,131 |
| 243. (USA150) | L. Blaine Hammond | 39 | Discovery 12 | 2,492 |
| 243. (USA150) | Gregory Harbaugh | 39 | Discovery 12 | 1,427 |
| 243. (USA150) | Richard Hieb | 35 | Discovery 12 | 2,154 |
| 243. (USA150) | Donald McMonagle | 38 | Discovery 12 | 1,427 |
| 243. (USA150) | Charles Veach | 46 | Discovery 12 | 2,492 |
| 248. (RUS 71) | Anatoli Artsebarsky | 35 | Soyuz-TM 12 | 2,004 |
| 248. (UNK 1) | Helen Sharman | 27 | Soyuz-TM 12 | 539 |
| 250. (USA155) | Francis Gaffney | 44 | Columbia 11 | 2,712* |
| 250. (USA155) | Sidney Gutierrez | 39 | Columbia 11 | 2,530 |
| 250. (USA155) | Millie Hughes-Fulford | 44 | Columbia 11 | 2,712* |
| 250. (USA155) | Tamara Jernigan | 32 | Columbia 11 | 2,192 |
| 254. (USA159) | Michael Baker | 37 | Atlantis 9 | 2,250 |
| 255. (USA160) | Kenneth Reightler | 40 | Discovery 13 | 1,564 |
| 256. (KHZ 1) | Tokbur Aurbakirov | 46 | Soyuz-TM 13 | 254 |
| 256. (AUS 1) | Franz Viehbock | 31 | Soyuz-TM 13 | 726 |
| 258. (USA161) | Thomas Hennen | 39 | Atlantis 10 | 1,180* |
| 258. (USA161) | Terrence Henricks | 49 | Atlantis 10 | 2,364 |
| 258. (USA161) | Mario Runco | 48 | Atlantis 10 | 1,637 |
| 258. (USA161) | James Voss | 42 | Atlantis 10 | 1,637 |
| 262. (CAN 2) | Roberta Bondar | 46 | Discovery 14 | 2,970 |
| 262. (USA165) | Stephen Oswald | 40 | Discovery 14 | 2,423 |
| 262. (USA165) | William Readdy | 39 | Discovery 14 | 1,696 |
| 265. (GRM 5) | Klaus-Dietrich Flade | 39 | Soyuz-TM 14 | 526 |
| 265. (RUS 72) | Aleksander Kaleri | 35 | Soyuz-TM 14 | 2,953 |
| 267. (USA167) | Brian Duffy | 38 | Atlantis 11 | 2,485 |
| 267. (USA167) | C. Michael Foale | 35 | Atlantis 11 | 2,485 |
| 267. (BEL 1) | Dirk Frimout | 51 | Atlantis 11 | 2,639* |
| 270. (USA169) | Kevin Chilton | 37 | Endeavour 1 | 1,798 |
| 271. (USA170) | Kenneth Bowersox | 35 | Columbia 12 | 2,578 |
| 271. (USA170) | Lawrence DeLucas | 35 | Columbia 12 | 694* |
| 271. (USA170) | Eugene Trihn | 41 | Columbia 12 | 3,312* |
| 274. (RUS 73) | Sergei Avdeyev | 36 | Soyuz-TM 15 | 1,950 |
| 274. (FRA 3) | Michel Tognini | 43 | Soyuz-TM 15 | 2,513 |
| 276. (USA173) | Andrew Allen | 36 | Atlantis 12 | 2,614 |
| 276. (ITL 1) | Franco Malerba | 45 | Atlantis 12 | 1,276* |
| 276. (SWS 1) | Claude Nicollier | 47 | Atlantis 12 | 5,205* |
| 279. (USA174) | Curtis Brown | 46 | Endeavour 2 | 2,657 |
| 279. (USA174) | N. Jan Davis | 38 | Endeavour 2 | 2,657 |
| 279. (USA174) | Mae Jemison | 36 | Endeavour 2 | 2,657 |
| 279. (JAP 2) | Mamoru Mohri | 44 | Endeavour 2 | 2,599* |
| 283. (CAN 3) | Steven MacLean | 37 | Columbia 13 | 3,244 |
| 284. (USA177) | Mike R. U. Clifford | 40 | Discovery 15 | 885 |
| 285. (USA178) | Susan Helms | 34 | Endeavour 3 | 927 |
| 286. (RUS 74) | Aleksander Poleshchuk | 39 | Soyuz-TM 16 | 1,460 |
| 287. (USA179) | Kenneth Cockrell | 42 | Discovery 16 | 1,012 |
| 287. (USA179) | Ellen Ochoa | 34 | Discovery 16 | 1,012 |
| 289. (USA181) | Bernard Harris | 36 | Columbia 14 | 1,030 |
| 289. (USA181) | Charles Precourt | 37 | Columbia 14 | 1,030 |
| 289. (GRM 6) | Hans Schlegel | 41 | Columbia 14 | 2,092 |
| 289. (GRM 6) | Ulrich Walter | 39 | Columbia 14 | 2,092 |
| 293. (USA183) | Nancy Sherlock | 34 | Endeavour 4 | 1,086 |
| 293. (USA183) | Janice Voss-Ford | 36 | Endeavour 4 | 1,086 |
| 293. (USA183) | Peter J. K. Wisoff | 34 | Endeavour 4 | 1,086 |
| 296. (FRA 4) | Jean-Pierre Haignere | 45 | Soyuz-TM 17 | 2,852 |
| 296. (RUS 75) | Vasili Tsibliyev | 39 | Soyuz-TM 17 | 2,289 |
| 298. (USA186) | Daniel Bursch | 36 | Discovery 17 | 1,169 |
| 298. (USA186) | James Newman | 36 | Discovery 17 | 1,169 |
| 298. (USA186) | Carl Walz | 38 | Discovery 17 | 1,169 |
| 301. (USA189) | Martin Fettman | 36 | Columbia 15 | 687* |
| 301. (USA189) | William McArthur | 42 | Columbia 15 | 1,205 |
| 301. (USA189) | Richard Searfoss | 37 | Columbia 15 | 1,205 |
| 301. (USA189) | David Wolf | 37 | Columbia 15 | 1,205 |
| 305. (RUS 76) | Yuri Usachyov | 36 | Soyuz-TM 18 | 1,809 |
| 306. (USA193) | Ronald Sega | 41 | Discovery 18 | 1,313 |
| 307. (USA194) | Thomas Jones | 39 | Endeavour 6 | 1,378 |
| 308. (RUS 77) | Yuri Malenchenko | 32 | Soyuz-TM 19 | 2,654 |
| 308. (KZH 2) | Talgut Musabayev | 43 | Soyuz-TM 19 | 1,512 |
| 310. (USA195) | Leroy Chiao | 33 | Columbia 17 | 1,468 |
| 310. (USA195) | James Halsell | 37 | Columbia 17 | 1,468 |
| 310. (JAP 3) | Chiaki Mukai | 41 | Columbia 17 | 3,263* |
| 310. (USA195) | Donald Thomas | 39 | Columbia 17 | 1,468 |
| 314. (USA198) | Jerry Linenger | 39 | Discovery 19 | 892 |
| 315. (USA199) | Steven Smith | 35 | Endeavour 7 | 913 |
| 315. (USA199) | Terrence Wilcutt | 44 | Endeavour 7 | 913 |
| 317. (RUS 78) | Yelena Kondakova | 37 | Soyuz-TM 20 | 2,077 |
| 318. (FRA 5) | Jean-Francois Clervoy | 35 | Atlantis 13 | 947 |
| 318. (USA201) | Scott Parazynski | 33 | Atlantis 13 | 947 |
| 318. (USA201) | Joseph Tanner | 44 | Atlantis 13 | 947 |
| 321. (USA203) | Eileen Collins | 38 | Discovery 20 | 1,678 |
| 322. (USA204) | William Gregory | 37 | Endeavour 8 | 1,705 |
| 322. (USA204) | John Grunsfeld | 36 | Endeavour 8 | 1,066 |
| 322. (USA204) | Wendy Lawrence | 35 | Endeavour 8 | 1,066 |
| 325. (RUS 79) | Vladimir Dezhurov | 32 | Soyuz-TM 21 | 2,910 |
| 326. (RUS 80) | Nikolai Budarin | 42 | Atlantis 14 | 2,344 |
| 327. (USA207) | Kevin Kregel | 38 | Discovery 21 | 1,199 |
| 327. (USA207) | Mary Weber | 32 | Discovery 21 | 1,199 |
| 329. (RUS 81) | Yuri Gidzenko | 33 | Soyuz-TM 22 | 3,083 |
| 329. (GRM 8) | Thomas Reiter | 37 | Soyuz-TM 22 | 1,206 |
| 331. (USA209) | Michael Gernhardt | 39 | Endeavour 9 | 1,255 |
| 332. (USA210) | Catherine Coleman | 34 | Columbia 18 | 1,298 |
| 332. (USA210) | Fred Leslie | 44 | Columbia 18 | 657* |
| 332. (USA210) | Michael Lopez-Algeria | 37 | Columbia 18 | 1,298 |
| 332. (USA210) | Kent Rominger | 39 | Columbia 18 | 1,298 |
| 332. (USA210) | Albert Sacco | 45 | Columbia 18 | 1,906* |
| 337. (CAN 4) | Chris Hadfield | 36 | Atlantis 15 | 1,321 |
| 338. (USA215) | Daniel Barry | 42 | Endeavour 10 | 1,381 |
| 338. (USA215) | Brent Jett | 37 | Endeavour 10 | 1,381 |
| 338. (USA215) | Winston Scott | 45 | Endeavour 10 | 1,381 |
| 338. (JAP 4) | Koichi Wakata | 32 | Endeavour 10 | 1,381 |
| 342. (RUS 82) | Yuri Onufriyenko | 35 | Soyuz-TM 23 | 2,583 |
| 343. (ITL 2) | Maurizo Cheli | 36 | Columbia 19 | 1,378* |
| 343. (ITL 2) | Umberto Guido | 41 | Columbia 19 | 2,577 |
| 343. (USA218) | Scott Horowitz | 38 | Columbia 19 | 1,423 |
| 346. (USA219) | Andrew S. W. Thomas | 44 | Endeavour 11 | 1,510 |
| 347. (USA220) | Charles Brady | 44 | Columbia 20 | 1,541 |
| 347. (FRA 6) | Jean-Jacques Favier | 47 | Columbia 20 | 3,937 |
| 347. (USA220) | Richard Linnehan | 38 | Columbia 20 | 1,541 |
| 347. (CAN 5) | Robert Thirsk | 42 | Columbia 20 | 4,581 |
| 351. (FRA 7) | Claudie Andre-Deshays | 39 | Soyuz-TM 24 | 3,995 |
| 351. (RUS 83) | Valeri Korzun | 43 | Soyuz-TM 24 | 3,432 |
| 353. (GRM 9) | Reinhold Ewald | 40 | Soyuz-TM 25 | 2,317 |
| 353. (RUS 84) | Aleksander Lazutkin | 39 | Soyuz-TM 25 | 1,805 |
| 355. (USA222) | Roger Crouch | 56 | Columbia 22 | 3,015* |
| 355. (USA222) | Gregory Linteris | 39 | Columbia 22 | 459* |
| 355. (USA222) | Susan Still | 35 | Columbia 22 | 848 |
| 358. (USA225) | Edward Lu | 33 | Atlantis 19 | 889 |
| 358. (USA225) | Carlos Noriega | 37 | Atlantis 19 | 889 |
| 360. (RUS 85) | Pavel Vinogradov | 43 | Soyuz-TM 26 | 2,006 |
| 361. (USA227) | Robert Curbeam | 35 | Discovery 23 | 973 |
| 361. (USA227) | Stephen Robinson | 41 | Discovery 23 | 973 |
| 361. (CAN 9) | Bjarni Tryggvason | 51 | Discovery 23 | 4,994 |
| 364. (USA229) | Mike Bloomfield | 38 | Atlantis 20 | 1,022 |
| 365. (USA230) | Kalpana Chawla | 36 | Columbia 24 | 1,077 |
| 365. (JAP 5) | Takao Doi | 43 | Columbia 24 | 1,077 |
| 365. (UKR 1) | Leonid Kadenyuk | 46 | Columbia 24 | 7,758 |
| 365. (USA230) | Steven Lindsey | 37 | Columbia 24 | 1,077 |
| 369. (USA232) | Michael Anderson | 38 | Endeavour 12 | 1,141 |
| 369. (USA232) | Joe Edwards | 39 | Endeavour 12 | 1,141 |
| 369. (USA232) | James Reilly | 43 | Endeavour 12 | 1,141 |
| 369. (RUS 86) | Salizhan Sharipov | 33 | Endeavour 12 | 2,725 |
| 373. (FRA 8) | Leopold Eyarts | 40 | Soyuz-TM 27 | 2,769 |
| 374. (USA235) | Scott Altman | 39 | Columbia 25 | 1,226 |
| 374. (USA235) | Jay Buckey | 41 | Columbia 25 | 2,329 |
| 374. (USA235) | Kathryn Hire | 38 | Columbia 25 | 1,226 |
| 374. (USA235) | James Pawelczyk | 37 | Columbia 25 | 837 |
| 374. (USA235) | David Williams | 43 | Columbia 25 | 1,226 |
| 379. (USA240) | Dominic Gorie | 41 | Discovery 24 | 1,272 |
| 379. (USA240) | Janet Kavandi | 38 | Discovery 24 | 1,272 |
| 381. (RUS 87) | Yuri Baturin | 49 | Soyuz-TM 28 | 331 |
| 381. (RUS 87) | Gennadi Padalka | 40 | Soyuz-TM 28 | 3,400 |
| 383. (SPN 1) | Pedro Duque | 35 | Discovery 25 | 911 |
| 384. (USA242) | Frederick Sturckow | 37 | Endeavour 13 | 1,457 |
| 385. (SLO 1) | Ivan Bella | 34 | Soyuz-TM 29 | 355 |
| 386. (USA243) | Richard Husband | 41 | Discovery 26 | 1,631 |
| 386. (CAN 8) | Julie Payette | 35 | Discovery 26 | 1,121 |
| 386. (RUS 89) | Valeri Tokarev | 46 | Discovery 26 | 3,774 |
| 389. (USA244) | Jeffrey Ashby | 45 | Columbia 26 | 1,692 |
| 390. (USA245) | Scott Kelly | 35 | Discovery 27 | 1,327 |
| 391. (GRM 10) | Gerhard Thiele | 46 | Endeavour 14 | 1,381 |
| 392. (RUS 90) | Sergei Zalyotin | 37 | Soyuz-TM 30 | 3,527 |
| 393. (USA246) | Jeff Williams | 42 | Atlantis 21 | 1,479 | 394. (USA247) | Daniel Burbank | 39 | Atlantis 22 | 1,591 |
| 394. (USA247) | Richard Mastracchio | 40 | Atlantis 22 | 1,591 |
| 394. (RUS 91) | Boris Morukov | 49 | Atlantis 22 | 4,245 |
| 397. (USA249) | Pamela Melroy | 39 | Discovery 28 | 2,134 |
| + - deceased | * - approximately | # - launched on Birthday |
| Country | Shortest | Longest | Average |
| USA (249) | 42* | 6,965 | 2,052.305 (5.619) |
| RUS (91) | 166* | 4,926 | 2,455.857 (6.724) |
| Rest Of World (57) | 148* | 7,758 | 1,431.035 (3.918) |
| Total (397) | 42* | 7,758 | 2,055.607 (5.628) |
| Karl Henize - USA | 58 | Challenger 8 |
| Shannon Lucid - USA | 42 | Discovery 5 |
| Lev Dyomin | 48 | Soyuz 15 |
| Yelena Kondakova | 37 | Soyuz-TM 20 |
| Dirk Frimout - Belgium | 51 | Atlantis 11 |
| Roberta Bondar - Canada | 46 | Discovery 14 |
| Gherman Titov - Rus | 25 | Vostok 2 |
| Valentina Tereshkova - Rus | 26 | Vostok 5 |
| Eugene Cernan | 32 | Gemini 9 |
| Sally Ride | 32 | Challenger 2 |
| Abdul Aziz Al-Saud - Saudia Arabia | 28 | Discovery 5 |
| Helen Sharman - UK | 27 | Soyuz-TM 12 |
| Leonid Kadenyuk - Ukraine | 7,758 (21.241) | Columbia 24 |
| Shannon Lucid - USA | 2,537 (6.946) | Discovery 5 |
| Don Lind - USA | 6,965 (19.070) | Challenger 7 |
| Vitali Zholobov - Rus | 4,926 (13.487) | Soyuz 21 |
| Yelena Kondakova - Rus | 2,077 (5.687) | Soyuz-TM 20 |
| Claudie Andre-Deshays - France | 3,995 (10.938) | Soyuz-TM 24 |
| Robert Cenker - USA | 42* | Columbia 7 |
| Valentina Tereshkova - Rus | 473 (1.295) | Vostok 4 |
| Konstantin Feoktistov - Rus | 166* | Voskhod |
| Boris Yegorov - Rus | 166* | Voskhod |
| Sally Ride - USA | 1,807 (4.947) | Challenger 2 |
| Rudolfo Neri-Vela - Mexico | 148* | Atlantis 2 |
| Helen Sharman - UK | 539 (1.476) | Soyuz-TM 12 |