| Rank | Country | World Production, By Country (Metric tons) |
|---|
| 1 | United States | 2,540,000 |  |
| 2 | Senegal | 200,000 | |
| 3 | United Kingdom | 140,000 | |
| 4 | Mexico | 110,000 | |
| 5 | South Africa | 49,225 | |
| 6 | Italy | 30,000 | |
| 7 | Pakistan | 18,000 | |
| 8 | Morocco | 15,000 | |
| 9 | Australia | 10,000 | |
| 10 | Guatemala | 19 | |
Year of Estimate: 2006
Source: United States Geological Survey (USGS) Minerals Resources Program
