Lai Châu
Vietnam, province, population 460,196, first language Vietnamese.
Data as of 28 Oct 2026 · VN-01 · CLDR 49, Glottolog 5.3, States sheet
Language stack
The roles this state's languages play, with a share where a census gives one.
How this is measured
A label comes from the States sheet and has no share. A share comes from a census and names its basis. Both can exist for one language.
De facto · Sheet label
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Administrative · Sheet label
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National · Sheet label
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Labels from the States sheet; no census share yet.
Official-language count: 1. Diversity below is country-level.
Languages of Vietnam
Country-level shares: CLDR, with a census or survey where CLDR has none. They overlap and are never normalised.
How this is measured
Effective number of languages 1.35, Greenberg diversity 0.26, both on the raw shares and country-level.
How far lingua francas reach
Share able to hold a conversation, first or second language.
How this is measured
Each row carries its source tier. A Tier 1 census figure is this state's own; a Tier 3 figure is the country's, not this state's.
Other states in Vietnam62
An GiangVietnamese
Bà Rịa - Vũng TàuVietnamese
Bình DươngVietnamese
Bình PhướcVietnamese
Bình ThuậnVietnamese
Bình ĐịnhVietnamese
Bạc LiêuVietnamese
Bắc GiangVietnamese
Bắc KạnVietnamese
Bắc NinhVietnamese
Bến TreVietnamese
Cao BằngVietnamese
Show all 62 states
Cà MauVietnamese
Cần ThơVietnamese
Gia LaiVietnamese
HanoiVietnamese
Ho Chi Minh CityVietnamese
Hà GiangVietnamese
Hà NamVietnamese
Hà TĩnhVietnamese
Hòa BìnhVietnamese
Hưng YênVietnamese
Hải DươngVietnamese
Hải PhòngVietnamese
Hậu GiangVietnamese
Khánh HòaVietnamese
Kiên GiangVietnamese
Kon TumVietnamese
Long AnVietnamese
Lào CaiVietnamese
Lâm ĐồngVietnamese
Lạng SơnVietnamese
Nam ĐịnhVietnamese
Nghệ AnVietnamese
Ninh BìnhVietnamese
Ninh ThuậnVietnamese
Phú ThọVietnamese
Phú YênVietnamese
Quảng BìnhVietnamese
Quảng NamVietnamese
Quảng NgãiVietnamese
Quảng NinhVietnamese
Quảng TrịVietnamese
Sóc TrăngVietnamese
Sơn LaVietnamese
Thanh HóaVietnamese
Thái BìnhVietnamese
Thái NguyênVietnamese
Thừa Thiên-HuếVietnamese
Tiền GiangVietnamese
Trà VinhVietnamese
Tuyên QuangVietnamese
Tây NinhVietnamese
Vĩnh LongVietnamese
Vĩnh PhúcVietnamese
Yên BáiVietnamese
Điện BiênVietnamese
Đà NẵngVietnamese
Đắk LắkVietnamese
Đắk NôngVietnamese
Đồng NaiVietnamese
Đồng ThápVietnamese
All states · Countries · Reach
Where these numbers come from
- Unicode CLDR territoryInfo (release 49) (Unicode License v3). Country-level language shares, official status and Tier 3 reach (populationPercent is total speakers, first plus second language).
- Glottolog 5.3 (CC BY 4.0). Language names, ISO 639-3 codes, families.
- Database of International and Intranational Linguistic distances (DICL v2), USITC (CC BY 4.0). Country-pair linguistic proximity (loaded, not yet shown in release one).
- States (ISO 3166-2) sheet, MetroAreas workbook (Citizen of Nowhere, own compilation). States, populations and the four language labels per state.
- Natural Earth 1:110m Admin 0 Countries (nvkelso/natural-earth-vector) (Public domain). World outline for the language maps (world-110m.geojson, properties reduced to iso3 and name).
- Country layer of this site (countries.json workbook population, World Bank iso2 and iso3, OWID country-population) (Citizen of Nowhere, own compilation; World Bank CC BY 4.0; OWID CC BY). Country population, iso2 and /countries slug joined onto languages, countries and families (speakers = share x population).
Labels are the States sheet's. Shares marked country-level are CLDR's for the whole country, not a measurement of this state. See Method.