International Math Olympiad (IMO)—Ranking Countries After Adjusting for Population and GDP

tl;dr… #1: South Korea, #2: Iran, #3: Bulgaria

IMO logo (drawn by author)

Each year, the top 6 high school mathematicians from each country are selected to participate in the International Mathematics Olympiad (IMO). They compete over 2 days, with 4.5 hours on each day to solve 3 very challenging math…