This weekend, the International Space Station marks a quarter-century of continuous occupancy.
"By NASA’s count, 290 people from 26 countries have visited the space station. Seven are up there right now, representing the U.S., Russia and Japan."
https://apnews.com/article/international-space-station-nasa-b9d0e23a04c0c047887b3d7eeef65c9f