| Composition of morphometric groups |
| ||||
| Countries groups | Guinea Conakry | Senegal | Ghana | Mali | |
| Gr_1 (2.5%) | 100% | ----- | ----- | ----- | |
| Gr_2 (2.5%) | ----- | 100% | ----- | ----- | |
| Gr_3 (20%) | 12.5% | ----- | 87.5% | ----- | |
| Gr_4 (52.5%) | 23.8% | 23.8% | 14.4% | 38% | |
| Gr_5 (27%) | 33.3% | 44.5% | ----- | 22.2% | |
| Distribution of individuals in the groups | |||||
| Groups Countries | Gr_1 | Gr_2 | Gr_3 | Gr_4 | Gr_5 |
| Guinée Conakry | 10% | ----- | 10% | 50% | 30% |
| Senegal | ----- | 10% | ----- | 50% | 40% |
| Ghana | ----- | ----- | 70% | 30% | ----- |
| Mali | ----- | ----- | ----- | 80% | 20% |