Based on a comparison of 18 countries in 2019, China ranked the highest in Hard Coal Production (Btu) with 1.99 Quadrillion Btu followed by Vietnam and Russia. On the other end of the scale was Colombia with < 0.001 Quadrillion Btu, Zimbabwe with < 0.001 Quadrillion Btu and Mozambique with < 0.001 Quadrillion Btu.
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