Lao is the principal language for national administration, legislation and public education. The Law on Making Legislation requires legislation to be written in Lao. State and local authorities may disseminate legislation in ethnic languages, but the Official Gazette currently publishes Lao versions only; foreign-language translations are informational and do not replace responsibility for the Lao text. Laos does not use a uniform legal majority-and-minority language classification. Khmu, Hmong, Katang and many other ethnic languages remain important in homes and communities, especially in remote and highland areas. Their written standardization and availability in public services vary by language and locality. Lao also has regional and social varieties, but no comprehensive current public map or uniform official dialect status has been established; ethnic languages should not simply be treated as Lao dialects. Many households use an ethnic or community language at home and Lao for school, national administration and communication across language groups. Lao is the official language of instruction, including primary reading and mathematics from grades 1 to 5. The Ministry of Education and Sports and the Research Institute for Educational Sciences revised the Spoken Lao Programme in 2023 for learners who do not speak Lao at home. The extended pilot covered 21 districts in 10 provinces, but support is targeted and does not establish nationwide mother-tongue-based multilingual education as the default. Lao dominates national media. Government and public radio has also broadcast in Hmong and Khmu, while community-radio projects have used around 11 languages or dialects. Earlier UNESCO records describe ethnic-language radio windows, but current station numbers and language quotas are not established by the available evidence. The Constitution protects the ability of ethnic groups to preserve and promote their traditions, customs and cultures, while language support is mainly provided through practical education, media and public-information measures. Language ability affects access to schools, legal information, health messages and civic participation. Ethnic-language radio and local dissemination can reduce the gap, but Laos has no evidenced nationwide language-access standard or general statutory entitlement to an interpreter for public services. Access depends on the locality, institution and specific programme. The National Assembly, Government and Ministry of Justice handle legislation and publication; the Ministry of Education and Sports and the Research Institute for Educational Sciences handle school-language support; and the Ministry of Information, Culture and Tourism together with National Radio handles relevant media functions.
Language in Laos
Lao is the nationwide official language of Laos and the Lao script is used in national administration, legislation and public education. More than 50 languages are spoken among 49 officially recognized ethnic groups, including Lao-Tai, Mon-Khmer, Hmong-Mien and Sino-Tibetan communities. About 40% of the population has a mother tongue other than Lao, so Lao often connects home and community languages with education, public services and participation.
Tip
Use Lao for national administration, legislation and schooling unless the responsible institution confirms another supported pathway. When Lao is not fully understood, arrange local language support through the specific school, authority, provider or available broadcast instead of assuming that an interpreter or translated document is guaranteed.

