| Sum: | 1,741,000 | 81 | 85,039 | 4.88% | ||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Kisii (Gusii) | Kisii (Gusii) | Gusii | Kenya | 1,700,000 | 80 | 85,000 | 5% | Christianity |
| Kisii (Gusii) | Kisii (Gusii) | Gusii | Tanzania | 41,000 | 1 | 39 | 0.1% | Christianity |