| Rank | Country | Estimated World Production, By Country (Metric tons) |
|---|
| 1 | China | 30,000 |  |
| 2 | Chile | 11,800 | |
| 3 | Peru | 3,500 | |
| 4 | Mexico | 1,750 | |
| 5 | Kazakhstan | 1,500 | |
| 6 | Russian Federation | 1,500 | |
| 7 | Belgium | 1,000 | |
| 8 | France | 1,000 | |
| 9 | Canada | 250 | |
| 10 | Bolivia | 200 | |
| 11 | Iran, Islamic Republic Of | 100 | |
| 12 | Portugal | 50 | |
| 13 | Japan | 40 | |
Year of Estimate: 2006
Source: United States Geological Survey (USGS) Minerals Resources Program
