Russian cosmonaut Oleg Kononenko surpassed 1,111 cumulative days in space across five missions to the International Space Station by the end of his fifth flight in September 2024 — the most time any human has ever spent in space, more than three full years total.
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Russian cosmonaut Oleg Kononenko surpassed 1,111 cumulative days in space across five missions to the International Space Station by the end of his fifth flight in September 2024 — the most time any human has ever spent in space, more than three full years total.
The greatest total cumulative time spent in space by a single individual, summed across all of their spaceflights.
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1 accepted Claim, with 1 linked evidence records.
Permanent ID limitsregistry.com/limits/LR-MOST-TIME-IN-SPACE
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Limits Registry. LR-MOST-TIME-IN-SPACE. Most cumulative time in space. 2026.