| Language[14] | ISO 639-3 | Scripts | No. of speakers[12] | Geographical distribution |
|---|
| Angika | anp | Devanagari; previouslyKaithi;Anga Lipi | 743,600[15] | EasternBihar, North-easternJharkhand and EasternMadhesh ofNepal |
| Bajjika | – | Devanagari; previouslyTirhuta;Kaithi | 8,738,000[citation needed] | North-CentralBihar and EasternMadhesh of Nepal |
| Bhojpuri | bho | Devanagari; previouslyKaithi | 52,245,300[16] | Recognized language in Nepal, Official language inFiji (as theFiji Hindi) andJharkhand (additional) InIndia : WesternBihar, EasternUttar Pradesh, WesternJharkhand, NorthernChhattisgarh, NortheasternMadhya Pradesh Terai region of Central Nepal |
| Khortha | _(sometimes counted under Magahi) | Devanagari; previouslyTirhuta | 8,040,000[17] | SouthBihar, North-eastern and North centralJharkhand |
| Kudmali (Panchpargania) | kyw, tdb | Devanagari; sometimesBengali,Kaithi | 556,809[17] | South-EasternJharkhand, SouthernWest Bengal,[18] northernOdisha,Assam |
| Magahi | mag | Devanagari; previouslyTirhuta;Kaithi,Siddham script | 14,035,600[19] | SouthBihar, NorthJharkhand and EasternMadhesh of Nepal |
| Maithili | mai | Devanagari; previouslyTirhuta,Kaithi | 33,890,000[19] | Northern and easternBihar,Jharkhand[20] and EasternMadhesh of Nepal |
| Nagpuri (Sadri) | sck | Devanagari; previouslyKaithi | 5,100,000[17] | West-centralJharkhand, North-easternChhattisgarh, NorthwesternOdisha |
| Tharu | thl, tkt, thr, the, thq, tkb, soi | Devanagari | 1,900,000[17][21] | Terai regions ofNepal and some parts of border side areas ofUttar Pradesh,Uttrakhand andBihar |
| Danuwar | dhw | Devanagari | 46,000[17][21] | Nepal |
| Bote-Darai | bmj, dry | Devanagari | 30,000[17][21] | Nepal |
| Kumhali | kra | Devanagari | 12,000[17][21] | Nepal |
| Majhi | mjz | Devanagari | 24,000[17][21] | Nepal |