| Sum: | 569,474 | 251 | 23,050 | 4.05% | ||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Mayo | Mayo | Yessan-mayo | Papua New Guinea | 1,395 | 3 | 1,116 | 80% | Christianity |
| Mayoyao Ifugao | Ifugao | Ifugao, Mayoyao | Philippines | 19,926 | 30 | 6,284 | 31.54% | Ethnic Religion |
| Mayo | Mayo | Mayo | Mexico | 40,000 | 2 | 800 | 2% | Christianity |
| Huamalies Quechua | Quechua | Quechua, Huanuco, Huamalies-northern Dos De Mayo | Peru | 80,000 | 105 | 4,600 | 5.75% | Ethnic Religion |
| Mayogo | Mayogo | Mayogo | Congo (Zaire) | 100,000 | 100 | 10,000 | 10% | Christianity |
| Kamayo | Kamayo | Kamayo | Philippines | 328,153 | 11 | 250 | 0.08% | Ethnic Religion |