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Luxembourg (LU)

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ECRML
Signed
1992
Ratified
2005
In Force
2005
FCNM
Signed
1995
Ratified
(PENDING)
In Force
(PENDING)
Country Description
As Luxembourgish is not an official language of the EU, the European Union treats Luxembourgish as a minority language. Luxembourg regularly conducts national language censuses, with the last one taking place in 2021. Intentionally avoiding the term “mother tongue” and opting for “main language” (because main languages can change throughout a lifetime and children in mixed families can have more than one mother tongue), the census showed that Luxembourgish was the main language of 48.9% of the population of Luxembourg, with Portuguese (15.4%) and French (14.9%) coming in second and third. It is unknown how many people use German Sign Language (DGS) in Luxembourg, which has been the subject of discussion at the Parliament of Luxembourg. It is, however, known that between 2008 and 2018, 77 children in Luxembourg were born either deaf or hard-of-hearing. 63 of them wear a hearing aid.
Pan-National Official Language(s)
This category only includes languages that are official throughout the whole country (with the exception of Belgium) - languages that are e.g. regionally 'co-official' are not listed here but can be identified in the categories below wherever a relevant legal document is listed. A future update could include lists of co-official languages, as well. To increase their visibility, recognised Sign Languages are always listed as official languages even if they are not yet technically official. The data on legal recognition was aggregated from legal documents and official sources. Wherever possible, the national number was taken from a national census or recent study/official estimate – sources are listed. The endangerment level is adopted from Ethnologue and further estimates of endangerment can be found on the individual language profile (e.g. by clicking on 'Italian').
Language Endonym Geographic Area Source Legal Recognition Legal Document Source National Number Bases for Calculation Estimation Date Source Endangerment Level
French
Romance
Français Whole country / 1986 (furthered in 2023) Law on Language Regime / Constitution of Luxembourg / 242 534 (given) Language usually spoken 2021 1 (National)
German
Germanic
Deutsch Whole country / 1985 (furthered in 2023) Law on Language Regime / Constitution of Luxembourg / 107 115 (given) Language usually spoken 2021 1 (National)
German Sign Language (DGS)
Sign Language
Deutsche Gebärdensprache Whole country 2018 Draft Law No. 7142 / Gesetzesvorentwurf N°7142 / Unknown Sign Language Users 2018 6a* (Vigorous)
Luxembourgish
Germanic
Lëtzebuergesch Whole country / 1984 (furthered in 2023) Law on Language Regime / Constitution of Luxembourg / 292 025 (given) Language usually spoken 2021 / 4 (Educational)
ECRML-Recognised Languages
This includes languages recognised under the European Charter of Regional and Minority Languages (ECRML). The data on legal recognition was aggregated from legal documents and official sources. Wherever possible, the national number was taken from a national census or recent study/official estimate – sources are listed. The endangerment level is adopted from Ethnologue and further estimates of endangerment can be found on the individual language profile (e.g. by clicking on 'Czech').
Language Endonym Geographic Area Source Legal Recognition Legal Document Source National Number Bases for Calculation Estimation Date Source Endangerment Level ECRML level
/
Non-ECRML Languages – Source Overview
Languages marked with appear in that source. Languages listed in multiple sources may have differing data – see the detail tables below.
Language Ethnologue ELP
English
Portuguese
Walloon
Non-ECRML Languages (Ethnologue)
Languages listed with an 'established status' in Ethnologue. The data on legal recognition, national number, and endangerment level was taken from Ethnologue, reflecting its current state and gaps of knowledge.
Language Endonym Geographic Area Source Legal Recognition Legal Document Source National Number Bases for Calculation Estimation Date Source Endangerment Level
English
Germanic
English Widespread / / / 373 300 Users 2021 4 (Educational)
Portuguese
Romance
Português Diekirch district: Diekirch canton; Luxembourg district: Esch-sur-Alzette canton, Luxembourg canton / / / 86 600 Users 2021 5* (Dispersed)
Non-ECRML Languages (Endangered Languages Project)
Languages listed in the Endangered Languages Project (ELP). The data on legal recognition, national number, and endangerment level was taken from ELP, reflecting its current state and gaps of knowledge.
Language Endonym Geographic Area Source Legal Recognition Legal Document Source National Number Bases for Calculation Estimation Date Source Endangerment Level
Walloon
Romance
Walon / / / / 1 120 000 (international) Speakers 2026 (Website accessed) Threatened
Recognised Minorities
FCNM Status Religious Groups Ethnic / National Groups Linguistic Groups Comments Source for Groups and Comments (Name) Source for Groups and Comments (Link) National Reservations & Declarations Source for Reservations & Declarations
Signed (1995), not ratified / / / / Magazzini, T. (2024). When ethnicity is “national”: mapping ethnic minorities in Europe’s framework convention for the protection of national minorities. Ethnic and Racial Studies, 47(9), 1812–1833. https://doi.org/10.1080/01419870.2024.2328338 "Declaration contained in a letter from the Permanent Representative of Luxembourg, dated 18 July 1995, handed to the Secretary General at the time of signature, on 20 July 1995 - Or. Fr. The Grand Duchy of Luxembourg understands by "national minority" in the meaning of the Framework Convention, a group of people settled for numerous generations on its territory, having the Luxembourg nationality and having kept distinctive characteristics in an ethnic and linguistic way. On the basis of this definition, the Grand Duchy of Luxembourg is induced to establish that there is no "national minority" on its territory."

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