The U.S. ranks 2nd in math olympics

According to the International Math Olympiad (IMO), in 2004 the United States ranked second in terms of high school IMO scores. China ranked first.

The U.S. ranks 9th in marijuana usage

According to the United Nations Office on Drugs and Crime, 12.2 percent of people in the United States, ages 15 to 64, state that they use marijuana, making the United States rank ninth that category. Papua New Guinea ranks first, with 29.5 percent of the population saying they use marijuana.

The U.S. ranks 7th in iron ore production

According to the British Geological Survey, the United States ranks seventh in iron ore production, with 3% of the global total. China ranks first, with 32% of the global iron ore production.