| Language | Population | Country | Religion | Christian | Evangelical | NT | Engaged |
|---|---|---|---|---|---|---|---|
| German, Swiss | 5,768,000 | Switzerland | Christianity | 78% | 5% | Complete | Engaged |
| Lombard | 339,000 | Switzerland | Christianity | 96% | 1% | Incomplete | Engaged |
| Italian | 290,000 | Switzerland | Christianity | 82% | 1% | Complete | Engaged |
| German, Standard | 220,000 | Switzerland | Christianity | 64% | 2% | Complete | Engaged |
| Serbian | 192,000 | Switzerland | Christianity | 80% | 0.60% | Complete | Engaged |
| Portuguese | 189,000 | Switzerland | Christianity | 94% | 3% | Complete | Engaged |
| Albanian, Arbereshe | 99,400 | Switzerland | Islam | 30% | 0.50% | Incomplete | Engaged |
| French | 81,500 | Switzerland | Christianity | 80% | 4% | Complete | Engaged |
| Sinhala | 69,200 | Switzerland | Buddhism | 5% | 2% | Complete | Unengaged |
| Spanish | 65,200 | Switzerland | Christianity | 77% | 1% | Complete | Engaged |
| Macedonian | 59,300 | Switzerland | Christianity | 63% | 0.20% | Complete | Engaged |
| Turkish | 47,000 | Switzerland | Islam | 0.00% | 0.00% | Complete | Engaged |
| Bosnian | 40,800 | Switzerland | Islam | 0.20% | 0.04% | Complete | Unengaged |
| Romansch | 38,400 | Switzerland | Christianity | 97% | 0.50% | Complete | Engaged |
| Croatian | 37,400 | Switzerland | Christianity | 92% | 0.40% | Complete | Engaged |
| Bavarian | 35,400 | Switzerland | Christianity | 83% | 0.50% | Complete | Engaged |
| English | 31,600 | Switzerland | Christianity | 60% | 8% | Complete | Engaged |
| Romani, Sinte | 23,300 | Switzerland | Christianity | 80% | 3% | Complete | Engaged |
| Walser | 16,500 | Switzerland | Christianity | 97% | 2% | Incomplete | Engaged |
| Tagalog | 15,700 | Switzerland | Christianity | 94% | 12% | Complete | Engaged |
| Arabic, North Levantine Spoken | 15,000 | Switzerland | Islam | 32% | 0.50% | Incomplete | Engaged |
| Dutch | 12,400 | Switzerland | Secular | 47% | 4% | Complete | Engaged |
| Russian | 9,430 | Switzerland | Christianity | 67% | 1% | Complete | Engaged |
| Chinese, Mandarin | 8,670 | Switzerland | Secular | 9% | 6% | Complete | Engaged |
| Thai | 7,930 | Switzerland | Buddhism | 2% | 0.20% | Complete | Unengaged |
| Kurdish, Northern | 7,890 | Switzerland | Islam | 0.00% | 0.00% | Complete | Unengaged |
| Hungarian | 7,870 | Switzerland | Christianity | 88% | 3% | Complete | Engaged |
| Arpitan | 7,730 | Switzerland | Christianity | 62% | 1% | Incomplete | Engaged |
| Czech | 6,400 | Switzerland | Secular | 26% | 0.70% | Complete | Engaged |
| Greek | 6,290 | Switzerland | Christianity | 91% | 0.40% | Complete | Engaged |
| Swedish | 6,240 | Switzerland | Christianity | 57% | 7% | Complete | Engaged |
| Japanese | 4,720 | Switzerland | Buddhism | 2% | 0.50% | Complete | Unengaged |
| Romanian | 3,930 | Switzerland | Christianity | 97% | 5% | Complete | Engaged |
| Tibetan, Central | 320 | Switzerland | Buddhism | 0.00% | 0.00% | Complete | Unengaged |
| Iu Mien | 220 | Switzerland | Ethnic | 0.70% | 0.15% | Complete | Unengaged |