| 1987 | 1988 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | |||
| Austria | 1 cosmonaut 8 days |
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| Afghanistan | 1 cosmonaut 9 days |
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| Bulgaria | 1 cosmonaut 10 days |
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| Great Britain | 1 cosmonaut 8 days |
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| Germany | 2 cosmonauts 28 days |
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| ESA | 2 cosmonauts 209 days |
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| Kazakhstan | 2 cosmonauts 340 days |
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| Syria | 1 cosmonaut 8 days |
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| Slovakia | 1 cosmonaut 8 days |
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USA |
53 cosmonauts, |
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| France | 5 cosmonauts 264 days |
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| Japan | 1 cosmonaut 9 days |
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71 persons from 12 countries worked on Mir station.
27
International reseach programs were implemented for 2028 days.