Lead production by country in metric tons. Dark blue (more than 200,000): Russia, U S A, Mexico, Australia. Blue to light blue (1 to 200,000): Canada, Mongolia, Iran, India, Brazil, Congo, Pakistan. Very light blue (0 to 0.9): Most of Africa, Greenland.
Class | Rank | Metric tons | Class | Rank | Percent of world production | Class | Rank | Quadrillion BTU | Class | Rank | Percent of world reserves | Areas of serious concern | Areas of some concern | Stable terrain | Nonvegetated land | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23.0% | 35.0% | 31.0% | 10.1% | |||||||||||||
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