facts

• 22% of the world's marijuana (8,900 tons) is produced in Africa. The leading producers are South Africa, Nigeria and Morocco. • The four leading countries that export marijuana to the U.S. are Canada, Colombia, Jamaica and Mexico. • Cannabis grows wild in Kazakhstan and Kyrgyzstan. *U.S. produces 4,700 tons of marijuana per year, compared to Mexico's 7,400 and Canada's 3,500.