How many countries have sent astronauts to International Space Station?
Over 280 individuals representing 23 countries have visited International Space Station (ISS) so far. The 23 countries are USA, Russia, Japan, Canada, Italy, France, Germany, Belarus, Belgium, Brazil, Denmark, Great Britain, Israel, Kazakhstan, Malaysia, Netherlands, Saudi Arabia, South Africa, South Korea, Spain, Sweden, Turkey and UAE. India, Poland and Hungary will join the list on Tuesday.