Top 20 Country by International Mathematical Olympiad Gold Medal (1959–2019):
This video shows the Top 20 countries with the most total cumulative International Mathematical Olympiad (IMO) gold medals since 1959. The International Mathematical Olympiad (IMO) is the World Championship Mathematics Competition for High School students and is held annually in a different country. The first IMO was held in 1959 in Romania, with 7 countries participating. It has gradually expanded to over 100 countries from 5 continents. The IMO Board ensures that the competition takes place each year and that each host country observes the regulations and traditions of the IMO.
Mangalia News, 28.12.2019.