<Tr> <Td_colspan="6"> Table data accurate as of 2018 - 10 - 30 04: 05 UTC </Td> </Tr> <Tr> <Td_colspan="6"> * includes those in orbit at time table was updated + TOTAL person days in orbit will not match the sum of the totals for individual nations as some individuals are dual citizens (based solely on those identified as such by spacefacts.de - see table references). </Td> </Tr> <P> Russian cosmonaut Gennady Padalka, who has spent 878 days in space over five missions, became the record holder for the most time spent in space when he surpassed, on 28 June 2015, the record of cosmonaut Sergei Krikalev, who spent 803 days, 9 hours and 39 minutes (about 2.2 years) in space over the span of six spaceflights on Soyuz, the Space Shuttle, Mir, and the International Space Station . Yuri Malenchenko is currently in second place, having spent 828 days in space on six spaceflights . </P> <P> The following is a list of the 50 space travelers with the most total time in space, as of 5 October 2018 . Travelers currently in space are ranked by total time in space of their completed missions only . </P>

Who has spent the most time in space