| Rank | Country | World Production, By Country (Metric tons) |
|---|
| 1 | United States | 110,000 |  |
| 2 | Russian Federation | 100,000 | |
| 3 | Korea, Republic Of | 37,000 | |
| 4 | Norway | 26,000 | |
| 5 | Canada | 17,500 | |
| 6 | France | 10,000 | |
| 7 | Spain | 8,000 | |
| 8 | Taiwan, Province Of China | 8,000 | |
| 9 | Iran, Islamic Republic Of | 7,000 | |
| 10 | Argentina | 4,000 | |
| 11 | Brazil | 4,000 | |
| 12 | Malaysia | 4,000 | |
| 13 | India | 3,900 | |
| 14 | Sri Lanka | 1,800 | |
| 15 | South Africa | 880 | |
| 16 | Mexico | 125 | |
| 17 | Serbia and Montenegro | 100 | |
| 18 | Madagascar | 70 | |
Year of Estimate: 2006
Source: United States Geological Survey (USGS) Minerals Resources Program
