Dialects of Nepali: Eastern, Central, Western & Far-West Varieties

Nepali (नेपाली), historically called Khas-kura (खस कुरा, 'the speech of the Khas') and later Gorkhali, is an Indo-Aryan language of the Eastern Pahari sub-group. Like most languages spread over a wide and mountainous territory, it is not uniform: it exists as a continuum of regional varieties that shade gradually into one another from the eastern hills of Nepal to the far-western districts bordering India's Uttarakhand. In everyday and academic usage these varieties are grouped into three broad clusters — Eastern, Central and Western — with a distinctive far-western 'Khas' cluster that many linguists and Nepal's census now treat as a set of separate languages.

The three-way East–Central–West division goes back to the descriptive framework set out by George A. Grierson in the Linguistic Survey of India (1903–1928), which placed Nepali within the Eastern Pahari branch of the Northern Indo-Aryan (Pahari) languages. Ethnologue and Wikipedia list the named dialects of Nepali as Acchami, Baitadeli, Bajhangi, Bajurali (Bajura), Bheri, Dadeldhuri, Dailekhi, Darchulali, Darchuli, Gandakeli, Humli, Purbeli and Soradi. Most of these names are simply toponyms — a dialect labelled after the district (Bajhang, Baitadi, Achham, Bajura, Doti, Dailekh, Darchula, Humla) where it is spoken.

Two ISO 639 codes reflect this internal complexity. 'Nepali' is registered as a macrolanguage (ISO 639 code [nep]); the individual standard language sits under the code [npi]. In 2012 the far-western variety Dotyali (Doteli) was split off entirely and given its own ISO 639-3 code, [dty]. This page maps the clusters, explains how well speakers understand one another, and shows how the census draws the line between 'dialect of Nepali' and 'separate mother tongue'.

The Eastern group, often called Purbeli (पूर्वेली, 'eastern'), covers the hill districts of the Koshi and Mechi regions of eastern Nepal, as well as Nepali as spoken across the border in Darjeeling, Sikkim and Assam. The Central group runs through the Bagmati and Gandaki provinces, including the Kathmandu Valley, and is the variety heard most on national radio, television and in government offices. Because education, administration and publishing have long been concentrated in these central and eastern hills, their speech forms the practical basis of Standard Nepali (मानक नेपाली).

Differences between the Eastern and Central varieties are relatively minor — mostly matters of accent, a handful of vocabulary items and small grammatical habits — and speakers of the two understand each other with little difficulty. This high mutual intelligibility is one reason Nepali has worked effectively as a lingua franca (link language) binding together a country where more than 120 mother tongues are spoken. A hill farmer from Ilam in the east and a shopkeeper in Kathmandu can converse in their home dialects without switching to a formal register.

Standard Nepali itself is a codified written and spoken norm rather than any single village dialect. It is written in the Devanagari script, is the sole official language of the federal government under the Constitution of Nepal, and is reported as a first or second language by roughly nine in ten Nepalis. Its grammar and spelling are regulated through school curricula and bodies such as the Nepal Academy, which smooths over much of the regional variation found in ordinary speech.

Moving west, the Nepali of the Gandaki hills (Gorkha, Lamjung, Baglung, Pokhara) and then the Karnali and Lumbini regions grows steadily more distinct from the eastern standard. Western varieties tend to preserve older case endings and vocabulary and show contact influence from neighbouring Pahari and Dardic speech. The dialect of the upper Karnali is still known by the language's own old name, Khas Bhasa (खस भाषा) — a reminder that Nepali began as the tongue of the medieval Khas kingdoms of the far west before it spread eastward with Gorkha's expansion in the 18th century.

The gap widens enough that the Nepali spoken in Karnali Province is, according to standard reference works, not fully mutually intelligible with Standard Nepali. This is the crucial point of the dialect continuum: a speaker moving village by village from Kathmandu to Humla would rarely notice a hard break, yet the two ends of the chain are far enough apart that face-to-face understanding becomes difficult. Dialect names such as Dailekhi (from Dailekh) and Humli (from Humla) belong to this western-to-far-western transition zone.

Because the political and cultural centre of gravity has for two centuries lain in the central and eastern hills, western and far-western speech has often been dismissed informally as 'broken' or 'rustic' Nepali. Linguists reject that framing: these are conservative, historically important varieties, and in some respects they are closer to the medieval Khas source than the modern standard is. That reappraisal is part of why several far-western varieties have been surveyed in detail and, in some cases, recognised as languages in their own right.

In the nine districts of Sudurpashchim (Far-Western) Province and the western edge of Karnali, the Nepali continuum reaches its most divergent point in a cluster of Khas varieties: Doteli (Doti and the surrounding lowland districts), Baitadeli (Baitadi), Bajhangi (Bajhang), Acchami (Achham), Bajurali or Bajureli (Bajura), Darchuli/Darchulali (Darchula), together with the Karnali-side Dailekhi (Dailekh) and Humli (Humla). Collectively these are sometimes grouped as far-western Nepali or the far-western Khas dialects. Doteli, the largest, is spoken across Doti, Kailali, Kanchanpur, Dadeldhura, Achham, Baitadi, Darchula and Bajhang.

Mutual intelligibility within this cluster is uneven and, crucially, often low. Reference sources note that comprehension between Baitadeli, Bajhangi, Bajurali, Humli and Acchami is limited — these are neighbouring varieties whose speakers may still struggle to follow one another, let alone follow the eastern standard. Doteli, likewise, 'is not fully intelligible with standard Nepali,' even though it remains formally counted as a member of the Nepali macrolanguage. Speakers in the region generally carry a strong Khas ethnolinguistic identity distinct from the central Nepali-speaking heartland.

The most detailed evidence comes from SIL International's report 'A Sociolinguistic Study of Dotyali' by Stephanie R. Eichentopf (with Katharina Tupper), based on fieldwork carried out in February and March 2014 across Doti, Baitadi, Darchula and Bajhang districts. The survey set out to measure how well Dotyali speakers in outlying districts understand the Dotyali of Doti, and to document language attitudes, identity and vitality. Its interest in the internal dialect gradient — and in whether shared written materials could serve the whole area — grew directly out of the decision to treat Dotyali as an independent language.

The question 'is Doteli a dialect of Nepali or a language of its own?' has both a linguistic and a political answer, and they do not fully agree. Linguistically, Doteli descends from the same Khas root as Nepali and belongs to the same Eastern Pahari group, so it sits inside the Nepali dialect continuum. Politically and administratively, however, it has been given the status of a distinct language: in 2012 Ethnologue and the ISO 639-3 registry assigned Doteli its own code, [dty], separating it from Nepali, and it has since been adopted as an additional official language of Sudurpashchim Province.

The strongest argument for separate-language status is comprehension. When a variety is not readily understood by speakers of the standard — as is the case for Doteli, Baitadeli and their neighbours — the usual linguistic rule of thumb favours treating it as a language rather than a dialect. Speaker attitudes reinforce this: many far-western communities actively prefer recognition as a distinct language, and the growth of Doteli-language Wikipedia, dictionaries and radio has given the variety visible institutional support that ordinary dialects lack.

For everyday purposes, most people in Sudurpashchim are bilingual: they use their home variety (Doteli, Baitadeli, Bajhangi, and so on) at home and in the community, and switch to Standard Nepali for school, government and dealings outside the region. So the practical situation is less a hard border than a layered one — a local Khas mother tongue nested inside a national standard that everyone also learns.

Nepal's National Population and Housing Census 2021 (2078 BS), conducted by the National Statistics Office (NSO, formerly the Central Bureau of Statistics), recorded 124 mother tongues. Standard Nepali remained the country's largest mother tongue with 13,084,457 speakers, or 44.86 percent of the population. Critically for this topic, the census does not fold the far-western varieties into 'Nepali': it enumerates Doteli, Baitadeli, Bajhangi and Bajureli as separate mother-tongue categories, each with its own speaker count.

In the 2021 census Doteli was reported by 494,864 people (1.70 percent), Baitadeli by 152,666 (0.52 percent), Bajhangi by 99,631 (0.34 percent) and Bajureli (Bajura) by 56,486 (0.19 percent). These counts had fallen sharply since the 2011 census, when Doteli stood at 787,827 speakers (2.97 percent) and Baitadeli at 272,524 (1.03 percent). The drop most likely reflects shifting self-identification — respondents reporting 'Nepali' rather than a district variety — as much as any real change in who speaks what, which underlines how fluid the dialect-versus-language boundary is in practice.

Because the census relies on how respondents name their own mother tongue, its figures are best read as a snapshot of language identity, not a fixed linguistic map. Some far-western varieties (for example Acchami, Dailekhi, Humli and Darchuli) do not always appear as separate census headings and may be reported under Doteli, Bajhangi or plain Nepali depending on the year and the respondent. The takeaway is that the same speech community can be counted as 'Nepali dialect' in one framework and 'separate language' in another.

The clearest way to hold the whole picture in mind is to think of a single chain running from east to west, with the standard language anchored near the eastern end and the divergence increasing toward the far west. The eastern and central links are freely mutually intelligible; the western links diverge; and the far-western Khas links — Doteli, Baitadeli, Bajhangi, Acchami, Bajurali, Dailekhi, Darchuli and Humli — are distinct enough that several are now counted, coded and administered as separate languages.

On amarnepal.com you can explore several of these as dedicated language profiles with their own Census 2021 figures. See the entries for Nepali, Doteli and Baitadeli for speaker numbers, language family and provincial context — a reminder that a single historic Khas tongue has diversified into today's rich far-western varieties.