Space stations, operational and in development

NASA, Roscosmos, ESA, JAXA, CSA · International

The longest continuously crewed outpost in orbit, jointly built and operated by the US, Russian, European, Japanese and Canadian space agencies.

CASC / China Manned Space Agency · China

China's permanently crewed space station, built and launched by CASC and continuously resupplied and crew-rotated via Shenzhou and Tianzhou missions.

Axiom Space · United States

Commercial modules under development by Axiom Space, planned to dock at the ISS and later separate to operate as a free-flying station once the ISS retires.

Blue Origin & Sierra Space · United States

A commercial station concept led by Blue Origin and Sierra Space, built around Sierra Space's inflatable LIFE habitat modules.

Starlab Space (Voyager Space & Airbus) · United States / Europe

A single-module commercial station developed jointly by Voyager Space and Airbus Defence and Space.

Vast · United States

A single-module commercial station under development by Vast, designed for short-duration crewed visits.

Roscosmos · Russia

Russia's planned successor to its ISS modules, revised in December 2025 to reuse existing Russian ISS-segment hardware and fly in the same 51.6° orbit as the ISS rather than the higher-inclination orbit originally proposed.

Gravitics · United States

Standardised commercial space station modules built by Gravitics for other station operators, rather than a station Gravitics itself will run.