| Sum: | 216,971 | 59 | 10,697 | 4.93% | ||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Sikka | Sikka | Sika | Indonesia | 200,000 | 25 | 2,000 | 1% | Christianity |
| Woisika | Woisika | Woisika | Indonesia | 15,000 | 30 | 8,000 | 53.33% | Christianity |
| Sikayana | Sikayana | Sikaiana | Solomon Islands | 1,071 | 2 | 147 | 13.73% | Christianity |
| Aikwakai | Aikwakai | Sikaritai | Indonesia | 900 | 2 | 550 | 61.11% | Christianity |