Who spent the most days in space?
Based on the data as of Nov 2025
An illustrative graphic of a futuristic spaceship is used to represent the theme of long-duration space exploration and record-breaking human endurance. | Illustration: Ashrafun Naher Ananna/TBS Creative
On 4 February 2024, Oleg Kononenko broke Gennady Padalka's record for the most cumulative days in space. He then became the first person to reach 900, 1,000, and 1,100 cumulative days in space over five missions, with his last mission ending on 23 September 2024. All of the top six astronauts are Russian.
This infographic displays the top six astronauts with the most cumulative days in space, led by Russian cosmonaut Oleg Kononenko with 1,110 days.
Source: Spacefacts.de
