| Language | Population | Country | Religion | Christian | Evangelical | NT | Engaged |
|---|---|---|---|---|---|---|---|
| Vietnamese | 78,757,000 | Vietnam | Buddhism | 9% | 1% | Complete | Engaged |
| Tay | 1,771,000 | Vietnam | Ethnic | 1% | 0.01% | Incomplete | Engaged |
| Muong | 1,364,000 | Vietnam | Ethnic | 1% | 0.05% | Incomplete | Engaged |
| Khmer, Central | 1,265,000 | Vietnam | Buddhism | 3% | 2% | Complete | Engaged |
| Nung | 1,054,000 | Vietnam | Ethnic | 1% | 0.13% | Incomplete | Engaged |
| Chinese, Yue | 1,034,000 | Vietnam | Secular | 8% | 5% | Complete | Engaged |
| Tai Dam | 804,000 | Vietnam | Ethnic | 1% | 0.06% | Complete | Engaged |
| Hmong Daw | 684,000 | Vietnam | Ethnic | 20% | 16% | Complete | Engaged |
| French | 460,000 | Vietnam | Christianity | 59% | 2% | Complete | Engaged |
| Zhuang, Zuojiang | 408,000 | Vietnam | Ethnic | 0.20% | 0.14% | Incomplete | Unengaged |
| Tai Don | 322,000 | Vietnam | Ethnic | 1% | 0.25% | Incomplete | Engaged |
| Iu Mien | 264,000 | Vietnam | Ethnic | 8% | 3% | Complete | Engaged |
| Jarai | 254,000 | Vietnam | Ethnic | 30% | 26% | Complete | Engaged |
| Phu Thai | 240,000 | Vietnam | Ethnic | 5% | 3% | Incomplete | Engaged |
| Miao, Western Xiangxi | 233,000 | Vietnam | Ethnic | 5% | 0.50% | Incomplete | Unengaged |
| Kim Mun | 204,000 | Vietnam | Ethnic | 1% | 0.00% | Incomplete | Engaged |
| Rade | 191,000 | Vietnam | Christianity | 80% | 49% | Complete | Engaged |
| Bahnar | 189,000 | Vietnam | Ethnic | 14% | 10% | Complete | Engaged |
| Lao | 184,000 | Vietnam | Buddhism | 3% | 3% | Complete | Engaged |
| Cao Lan | 184,000 | Vietnam | Ethnic | 10% | 6% | Incomplete | Engaged |
| Koho | 181,000 | Vietnam | Christianity | 75% | 40% | Complete | Engaged |
| Tai Daeng | 161,000 | Vietnam | Ethnic | 2% | 0.35% | Incomplete | Engaged |
| Hmong Njua | 156,000 | Vietnam | Ethnic | 20% | 16% | Complete | Engaged |
| Sedang | 121,000 | Vietnam | Ethnic | 15% | 2% | Incomplete | Engaged |
| Hre | 98,500 | Vietnam | Ethnic | 10% | 6% | Incomplete | Engaged |
| Cham, Eastern | 83,900 | Vietnam | Hinduism | 5% | 1% | Incomplete | Engaged |
| Tho | 82,000 | Vietnam | Ethnic | 0.00% | 0.00% | Incomplete | Engaged |
| Tai Nua | 74,600 | Vietnam | Buddhism | 0.00% | 0.00% | Incomplete | Unengaged |
| Khmu | 67,800 | Vietnam | Ethnic | 1% | 0.16% | Incomplete | Engaged |
| Roglai, Northern | 60,900 | Vietnam | Ethnic | 28% | 9% | Incomplete | Engaged |
| Katu, Eastern | 60,500 | Vietnam | Ethnic | 1% | 0.85% | Complete | Engaged |
| Bouyei | 58,900 | Vietnam | Ethnic | 0.50% | 0.02% | Incomplete | Engaged |
| Bru, Eastern | 57,300 | Vietnam | Ethnic | 10% | 10% | Complete | Engaged |
| Roglai, Southern | 49,100 | Vietnam | Ethnic | 30% | 9% | Incomplete | Engaged |
| Stieng, Bulo | 44,400 | Vietnam | Christianity | 80% | 48% | Incomplete | Engaged |
| Haroi | 42,500 | Vietnam | Ethnic | 2% | 1% | Incomplete | Engaged |
| Maa | 40,000 | Vietnam | Christianity | 65% | 45% | Incomplete | Engaged |
| Mnong, Central | 37,300 | Vietnam | Christianity | 75% | 49% | Complete | Engaged |
| Stieng, Budeh | 36,300 | Vietnam | Christianity | 70% | 48% | Incomplete | Engaged |
| Mnong, Eastern | 34,500 | Vietnam | Ethnic | 25% | 21% | Incomplete | Engaged |
| Mnong, Southern | 34,500 | Vietnam | Christianity | 70% | 48% | Incomplete | Engaged |
| Cham, Western | 30,000 | Vietnam | Islam | 0.02% | 0.00% | Incomplete | Engaged |
| Kayong | 26,200 | Vietnam | Ethnic | 25% | 0.50% | Incomplete | Engaged |
| Miao, Chuanqiandian Cluster | 24,200 | Vietnam | Ethnic | 4% | 3% | Incomplete | Engaged |
| Tai Thanh | 23,000 | Vietnam | Ethnic | 1% | 0.10% | Incomplete | Engaged |
| Ta'oih, Upper | 21,900 | Vietnam | Ethnic | 2% | 0.75% | Incomplete | Engaged |
| Puoc | 21,600 | Vietnam | Ethnic | 0.00% | 0.00% | Incomplete | Engaged |
| Chru | 21,000 | Vietnam | Ethnic | 35% | 28% | Incomplete | Engaged |
| Hani | 21,000 | Vietnam | Ethnic | 0.50% | 0.01% | Incomplete | Engaged |
| Rengao | 18,900 | Vietnam | Ethnic | 25% | 1% | Incomplete | Engaged |