A map highlights the proven coal reserves by country with darker being the highest. Dark green in the U S and Russia. Medium green in India, China, and Australia. Light green in Kazakhstan. Very light green in Brazil and Canada. Africa shows no data.
Class | Rank | Percent of world reserves | Class | Rank | Percent | very high (>300) | high (100–300) | medium (20–100) | low (2–20) | very low (<2) | high (100–300) | medium (20–100) | low–very low (<20) | very high–high (>100) | medium–very low (<100) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.63% | 17.7% | 9.02% | 11.0% | 16.0% | 11.5% | 10.1% | 12.7% | 26.5% | 24.8% | |||||||
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