Number of Astronauts

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How many astronauts are there?

505.

As of September 2009, there are a total of 505 people from 38 different countries that have flown in space. This is according to data from the Astronautic Records Commission of the Fédération Aéronautique Internationale (FAI), a worldwide governing body for astronautics, among other air sports. The FAI defines an astronaut as someone who has flown to an altitude of 100 km and beyond.

 

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