In 2017, a total of 29 countries produced commercial amounts of diatomite. The United States was the leader, producing an estimated 700,000 metric tons. Czechia, Denmark and China each produced over 400,000 metric tons. Argentina, Peru and Japan produced 100,000 metric tons or more. Other countries that produced at least 50,000 metric tons include Mexico, France, Russia, South Korea, Turkey, and Spain.