TIL Cuba’s biggest economic export is doctors, who they lease to foreign governments for $11 billion a year, with around 50,000 Cuban doctors serving 67 different countries at any one time

https://en.wikipedia.org/wiki/Cuban_medical_internationalism

https://www.reddit.com/r/todayilearned/comments/15k3twi/til_cubas_biggest_economic_export_is_doctors_who/