Top 20 Country by International Physics Olympiad Gold Medal (1967-2019)

This video shows the Top 20 countries with the most total cumulative International Physics Olympiad (IPhO) gold medals since 1967. The International Physics Olympiad (IPhO) is an annual physics competition for high school students. It is one of the International Science Olympiads. The first IPhO was held in Warsaw, Poland in 1967. Each national delegation is made up of at most five student competitors plus two leaders, selected on a national level. Observers may also accompany a national team. The student