| Sum: | 672,000 | 10 | 575 | 0.09% | ||||
| Sub-Group | Ethnic-Group | Language | Country | Population | Churches | Evangelicals | Evang % | Major Religion |
| Mordvin-Erzya | Mordvin-Erzya | Erzya | Russia | 612,000 | 10 | 575 | 0.09% | Christianity |
| Mordvinian | Mordvinian | Erzya | Azerbaijan | 800 | 0 | 0 | 0% | Christianity |
| Mordvinian | Mordvinian | Erzya | Turkmenistan | 3,200 | 0 | 0 | 0% | Christianity |
| Mordvinian | Mordvinian | Erzya | Kyrgyzstan | 5,200 | 0 | 0 | 0% | Christianity |
| Mordvinian | Mordvinian | Erzya | Tajikistan | 6,700 | 0 | 0 | 0% | Christianity |
| Mordvinian | Mordvinian | Erzya | Uzbekistan | 14,600 | 0 | 0 | 0% | Christianity |
| Mordvinian | Mordvinian | Erzya | Kazakhstan | 29,500 | 0 | 0 | 0% | Christianity |