The Asia Pacific region has the largest proved coal reserves, with 42.8 percent of the global reserves in 2020. Europe and the Commonwealth of Independent States accounted with the second largest coal reserves, at 30.6 percent. By comparison, Central and South America's reserves accounted with 1.3 percent of the world's total coal reserve. According to the source, proved reserves of coal are taken to be those quantities that geological and engineering information indicates with reasonable certainty can be recovered in the future from known deposits under existing economic and operating conditions.
