| Language | Population | Country | Religion | Christian | Evangelical | NT | Engaged |
|---|---|---|---|---|---|---|---|
| Chuvash | 1,418,000 | Russia | Christianity | 50% | 1% | Complete | Engaged |
| Chuvash | 15,100 | Uzbekistan | Christianity | 38% | 1% | Complete | Engaged |
| Chuvash | 13,000 | Kazakhstan | Christianity | 35% | 1% | Complete | Engaged |
| Chuvash | 9,800 | Ukraine | Christianity | 35% | 2% | Complete | Engaged |
| Chuvash | 4,030 | Tajikistan | Islam | 33% | 0.30% | Complete | Engaged |
| Chuvash | 3,730 | Turkmenistan | Christianity | 40% | 1% | Complete | Engaged |
| Chuvash | 3,290 | Belarus | Christianity | 35% | 0.20% | Complete | Engaged |
| Chuvash | 1,140 | Kyrgyzstan | Christianity | 35% | 0.20% | Complete | Engaged |
| Chuvash | 990 | Moldova | Christianity | 35% | 0.20% | Complete | Engaged |
| Chuvash | 820 | Latvia | Christianity | 35% | 0.20% | Complete | Engaged |
| Chuvash | 600 | Lithuania | Christianity | 35% | 0.20% | Complete | Engaged |
| Chuvash | 330 | Estonia | Christianity | 35% | 1% | Complete | Engaged |