Programme 01

NepSwor: regional languages preservation

Documenting and preserving the linguistic diversity of Nepal's Terai and hills through community collaboration and computational linguistics.

Our approach

Parallel corpus

1k verified sentences per language, scaling to 4 lakh.

Voice data

High-quality studio and field recordings from native speakers.

Benchmark data

Held-out ASR and translation evaluation sets.

Future vision

Production-grade models for every language of Nepal.

Featured languages

Nine languages, six scripts, one shared pipeline

Nepali

Active

नेपाली भाषा

The official language of Nepal and the anchor of our parallel corpora.

Script
Devanagari
Speakers
13,084,457 (44.86%)

Maithili

Vulnerable

मैथिली

An Indo-Aryan language of the eastern Terai with a distinct historical script.

Script
Tirhuta
Speakers
3,222,389 (11.05%)

Bhojpuri

Vulnerable

भोजपुरी

A vibrant cross-border language with a deep oral song tradition.

Script
Devanagari
Speakers
1,820,795 (6.24%)

Tharu

Endangered

थारु

A cluster of Indigenous Terai varieties with little digital presence.

Script
Devanagari
Speakers
1,714,091 (5.88%)

Tamang

Vulnerable

तामाङ

A Tibeto-Burman language with several dialects across central Nepal.

Script
Devanagari
Speakers
1,423,075 (4.88%)

Bajjika

Vulnerable

बज्जिका

Spoken across the central Terai, rarely represented in NLP datasets.

Script
Devanagari
Speakers
1,133,764 (3.89%)

Awadhi

Vulnerable

अवधी

A western Terai language carrying a rich devotional literary corpus.

Script
Devanagari
Speakers
864,276 (2.96%)

Nepal Bhasha (Newari)

Endangered

𑐣𑐾𑐥𑐵𑑅

A Tibeto-Burman language of the Kathmandu Valley with its own script family.

Script
Newari
Speakers
863,380 (2.96%)

Magar Dhut

Vulnerable

मगर ढुट

A Tibeto-Burman language with rich cultural heritage across the mid-hills.

Script
Devanagari
Speakers
Documenting

Project impact

9+

Languages

Nepali languages supported

1000+

Audio hours

High-quality recordings

10+

Bilingual resources

Educational materials

2+

Partnerships

Active collaborations

Contribute to NepSwor

Help us advance Nepali language technology through recording, transcription review, or research collaboration.

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