| Language | Population | Country | Religion | Christian | Evangelical | NT | Engaged |
|---|---|---|---|---|---|---|---|
| Mewati | 5,679,394 | India | Hinduism | 0.10% | 0.10% | Incomplete | Engaged |
| Spanish | 5,573,000 | Nicaragua | Christianity | 97% | 29% | Complete | Engaged |
| Wolof | 5,517,000 | Senegal | Islam | 1% | 0.00% | Complete | Engaged |
| Kabyle | 5,498,000 | Algeria | Islam | 6% | 6% | Complete | Engaged |
| Oromo, Eastern | 5,456,000 | Ethiopia | Islam | 0.50% | 0.01% | Complete | Engaged |
| Oromo, Borana-Arsi-Guji | 5,452,000 | Ethiopia | Islam | 7% | 3% | Complete | Engaged |
| Ibibio | 5,356,000 | Nigeria | Christianity | 100% | 34% | Incomplete | Engaged |
| Napoletano-Calabrese | 5,356,000 | Italy | Christianity | 83% | 2% | Incomplete | Engaged |
| Betawi | 5,347,000 | Indonesia | Islam | 9% | 2% | Incomplete | Engaged |
| Tatar | 5,245,000 | Russia | Islam | 3% | 0.40% | Complete | Engaged |
| Chinese, Huizhou | 5,212,000 | China | Ethnic | 7% | 5% | Incomplete | Engaged |
| Rajbanshi | 5,025,150 | India | Hinduism | 0.09% | 0.00% | Complete | Engaged |
| Pular | 4,963,000 | Guinea | Islam | 0.01% | 0.00% | Complete | Engaged |
| Danish | 4,940,000 | Denmark | Christianity | 88% | 4% | Complete | Engaged |
| Thai, Southern | 4,934,000 | Thailand | Buddhism | 0.90% | 0.19% | Incomplete | Engaged |
| Afrikaans | 4,898,000 | South Africa | Christianity | 82% | 22% | Complete | Engaged |
| Mainfrankisch | 4,862,000 | Germany | Christianity | 75% | 2% | Incomplete | Engaged |
| Tamil | 4,836,000 | Sri Lanka | Hinduism | 0.00% | 0.00% | Complete | Unengaged |
| Indonesian | 4,811,000 | Indonesia | Islam | 17% | 10% | Complete | Engaged |
| Finnish | 4,795,000 | Finland | Christianity | 84% | 13% | Complete | Engaged |
| Sotho, Southern | 4,723,000 | South Africa | Christianity | 82% | 19% | Complete | Engaged |
| Slovak | 4,675,000 | Slovakia | Christianity | 94% | 1% | Complete | Engaged |
| Bhojpuri | 4,656,540 | India | Hinduism | 0.66% | 0.19% | Complete | Engaged |
| Spanish | 4,625,000 | Bolivia | Christianity | 94% | 15% | Complete | Engaged |
| Makhuwa | 4,602,000 | Mozambique | Christianity | 52% | 13% | Complete | Engaged |
| Shan | 4,555,000 | Myanmar | Buddhism | 0.90% | 0.70% | Complete | Engaged |
| Dholuo | 4,517,000 | Kenya | Christianity | 98% | 53% | Complete | Engaged |
| Chinese, Mandarin | 4,514,000 | Taiwan | Ethnic | 5% | 3% | Complete | Engaged |
| Kimbundu | 4,477,000 | Angola | Christianity | 97% | 20% | Complete | Engaged |
| Louisiana Creole French | 4,462,000 | United States | Christianity | 90% | 4% | Incomplete | Engaged |
| Kurux | 4,421,350 | India | Hinduism | 19% | 0.01% | Complete | Engaged |
| Aceh | 4,419,000 | Indonesia | Islam | 0.02% | 0.00% | Complete | Engaged |
| Sicilian | 4,417,000 | Italy | Christianity | 81% | 2% | Incomplete | Engaged |
| Banjar | 4,413,000 | Indonesia | Islam | 0.01% | 0.00% | Incomplete | Engaged |
| Hebrew | 4,401,000 | Israel | Ethnic | 0.05% | 0.04% | Complete | Engaged |
| Arabic, Sudanese Spoken | 4,357,000 | Egypt | Islam | 1% | 0.20% | Complete | Engaged |
| Kamba | 4,348,000 | Kenya | Christianity | 98% | 56% | Complete | Engaged |
| Norwegian | 4,329,000 | Norway | Christianity | 95% | 9% | Complete | Engaged |
| Mina | 4,246,840 | India | Hinduism | 0.30% | 0.30% | Incomplete | Engaged |
| Mazanderani | 4,246,000 | Iran | Islam | 0.00% | 0.00% | Incomplete | Engaged |
| Gilaki | 4,244,000 | Iran | Islam | 0.00% | 0.00% | Incomplete | Engaged |
| Chinese, Hakka | 4,235,000 | Taiwan | Ethnic | 2% | 0.35% | Complete | Engaged |
| Bamanankan | 4,210,000 | Mali | Islam | 4% | 2% | Complete | Engaged |
| Turkmen | 4,204,000 | Turkmenistan | Islam | 0.05% | 0.00% | Complete | Engaged |
| Bikol, Central | 4,168,000 | Philippines | Christianity | 99% | 12% | Complete | Engaged |
| Sidamo | 4,066,000 | Ethiopia | Christianity | 91% | 86% | Complete | Engaged |
| Arabic, South Levantine Spoken | 4,039,000 | West Bank / Gaza | Islam | 1% | 0.05% | Incomplete | Engaged |
| Kyrgyz | 4,031,000 | Kyrgyzstan | Islam | 0.10% | 0.09% | Complete | Engaged |
| Baoule | 4,017,000 | Cote d'Ivoire | Christianity | 55% | 18% | Complete | Engaged |
| Sotho, Northern | 4,013,000 | South Africa | Christianity | 82% | 20% | Complete | Engaged |