North Sumatra
Indonesia, province, population 14,936,200, first language Standard Indonesian.
Data as of 28 Oct 2026 · ID-SU · 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 Indonesia
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 1.83, Greenberg diversity 0.45, both on the raw shares and country-level.
Largest 12 of 30 languages CLDR records for Indonesia.
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 Indonesia36
AcehStandard Indonesian
BaliStandard Indonesian
Bangka-BelitungStandard Indonesian
BantenStandard Indonesian
BengkuluStandard Indonesian
Central JavaStandard Indonesian
Central KalimantanStandard Indonesian
Central PapuaStandard Indonesian
Central SulawesiStandard Indonesian
East JavaStandard Indonesian
East KalimantanStandard Indonesian
East Nusa TenggaraStandard Indonesian
Show all 36 states
GorontaloStandard Indonesian
Highland PapuaStandard Indonesian
JakartaStandard Indonesian
JambiStandard Indonesian
LampungStandard Indonesian
MalukuStandard Indonesian
North KalimantanStandard Indonesian
North MalukuStandard Indonesian
North SulawesiStandard Indonesian
PapuaStandard Indonesian
RiauStandard Indonesian
Riau IslandsStandard Indonesian
South East SulawesiStandard Indonesian
South KalimantanStandard Indonesian
South PapuaStandard Indonesian
South SulawesiStandard Indonesian
South SumatraStandard Indonesian
West JavaStandard Indonesian
West KalimantanStandard Indonesian
West Nusa TenggaraStandard Indonesian
West PapuaStandard Indonesian
West SulawesiStandard Indonesian
West SumatraStandard Indonesian
YogyakartaStandard Indonesian
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.