| Sum: | 737,128 | 113 | 44,492 | 6.04% | ||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Batak Karo | Batak Karo | Batak Karo | Indonesia | 700,000 | 100 | 40,000 | 5.71% | Christianity |
| Singkil | Singkil | Batak Karo | Indonesia | 25,000 | 0 | 0 | 0% | Islam |
| Karon Dori | Karon Dori | Karon Dori | Indonesia | 6,000 | 12 | 4,000 | 66.67% | Christianity |
| Karok | Karok | Karok | United States | 4,311 | 0% | Ethnic Religion | ||
| Karore | Karore | Karore | Papua New Guinea | 615 | 1 | 492 | 80% | Christianity |
| Kreen-Akakore | Kreen-Akakore | Kreen-akarore | Brazil | 602 | 0 | 0 | 0% | Ethnic Religion |
| Karo | Karo | Karo | Ethiopia | 600 | 0 | 0 | 0% | Islam |