| Rank | Country | Production (MT) | Share % | Notes |
|---|---|---|---|---|
| 1 | Nigeria | 2,660,000 | 28 | |
| 1 | Nigeria | 8,267,306 | 47.7 | |
| 2 | Egypt | 1,710,000 | 18 | |
| 2 | Cameroon | 1,919,861 | 11.1 | |
| 3 | China | 1,140,000 | 12 | |
| 3 | China | 1,895,278 | 10.9 | |
| 4 | Papua New Guinea | 760,000 | 8 | |
| 4 | Ghana | 1,713,440 | 9.9 | |
| 5 | Ethiopia | 1,427,716 | 8.2 |