# List of space stations by country

This list of space stations is grouped by countries responsible for their operations. The space stations where multiple countries are responsible for their operations are listed separately. Planned and canceled space stations are excluded from this list.
| | Never crewed, prototype |
| $^‡$ | Never crewed, non-prototype |

## Chinese space stations

| Name | Entity | Program | Crew size | Launch date | Reentry date | Days in orbit | Days occu- pied | Total crew and visitors | Number of crewed visits | Number of robotic visits | Mass (* = at launch) | Pressurized volume |
| Tiangong-1 | CMSA | Tiangong | 3 | 29 September 2011 | 2 April 2018 | 2377 | 25 | 6 | 2 | 1 | 8,506 kg (18,753 lb) | 15 m$^3$ (530 cu ft) |
| Tiangong-2 | CMSA | Tiangong | 2 | 15 September 2016 | 19 July 2019 | 1037 | 26 | 2 | 1 | 1 | 8,506 kg (18,753 lb) | 15 m$^3$ (530 cu ft) |
| Tiangong space station | CMSA | Tiangong | 3 | 29 April 2021 | in orbit | 1308 | 1178 | 24 | 8 | 8 | 22,600 kg (49,800 lb) | 110 m$^3$ (3,880 cu ft) (planned) |

## Soviet/Russian space stations

| Name | Entity | Program | Crew size | Launch date | Reentry date | Days in orbit | Days occu- pied | Total crew and visitors | Number of crewed visits | Number of robotic visits | Mass (* = at launch) | Pressurized volume |
| Salyut 1 | USSR | DOS | 3 | 19 April 1971 | 11 October 1971 | 175 | 24 | 6 | 2 | 0 | 18,425 kg (40,620 lb) | 100 m$^3$ (3,500 cu ft) |
| DOS-2$^‡$ | USSR | DOS | — | 29 July 1972 | 29 July 1972 | failed to reach orbit | — | — | — | — | 18,000 kg (40,000 lb) | — |
| Salyut 2$^‡$ | USSR | Almaz | — | 3 April 1973 | 16 April 1973 | 13 | — | — | — | — | 18,500 kg (40,800 lb) | — |
| Kosmos 557$^‡$ | USSR | DOS | — | 11 May 1973 | 22 May 1973 | 11 | — | — | — | — | 19,400 kg (42,800 lb) | — |
| Salyut 3 | USSR | Almaz | 2 | 25 May 1974 | 24 January 1975 | 213 | 15 | 2 | 1 | 0 | 18,900 kg (41,700 lb)* | 90 m$^3$ (3,200 cu ft) |
| Salyut 4 | USSR | DOS | 2 | 26 December 1974 | 3 February 1977 | 770 | 92 | 4 | 2 | 1 | 18,900 kg (41,700 lb)* | 90 m$^3$ (3,200 cu ft) |
| Salyut 5 | USSR | Almaz | 2 | 22 June 1976 | 8 August 1977 | 412 | 67 | 4 | 3 | 0 | 19,000 kg (42,000 lb)* | 100 m$^3$ (3,500 cu ft) |
| Salyut 6 | USSR | DOS | 2 | 29 September 1977 | 29 July 1982 | 1764 | 683 | 33 | 16 | 14 | 19,000 kg (42,000 lb) | 90 m$^3$ (3,200 cu ft) |
| Salyut 7 | USSR | DOS | 3 | 19 April 1982 | 7 February 1991 | 3216 | 861 | 22 | 10 | 15 | 19,000 kg (42,000 lb) | 90 m$^3$ (3,200 cu ft) |
| Mir | USSR Roscosmos | DOS | 3 | 19 February 1986 | 23 March 2001 | 5511 | 4594 | 125 | 39 | 68 | 129,700 kg (285,900 lb) | 350 m$^3$ (12,400 cu ft) |

## United States space stations

| Name | Entity | Program | Crew size | Launch date | Reentry date | Days in orbit | Days occu- pied | Total crew and visitors | Number of crewed visits | Number of robotic visits | Mass (* = at launch) | Pressurized volume |
| OPS 0855 | USAF | MOL | — | 3 November 1966 | 9 January 1967 | 67 | — | — | — | — | 9,680 kg (21,340 lb) | 11.3 m$^3$ (400 cu ft) |
| Skylab | NASA | Skylab | 3 | 14 May 1973 | 11 July 1979 | 2249 | 171 | 9 | 3 | 0 | 77,088 kg (169,950 lb) | 360 m$^3$ (12,700 cu ft) |
| Genesis I | Bigelow Aerospace | | — | 12 July 2006 | (In Orbit) | 6713 | — | — | — | — | 1,360 kg (3,000 lb) | 11.5 m$^3$ (410 cu ft) |
| Genesis II | Bigelow Aerospace | | — | 28 June 2007 | (In Orbit) | 6362 | — | — | — | — | 1,360 kg (3,000 lb) | 11.5 m$^3$ (406 cu ft) |