An endangered language is a language that is at risk of falling out of use as its speakers die out or shift to speaking another language. Language loss occurs when the language has no more native speakers and becomes a "dead language". If eventually no one speaks the language at all, it becomes an "extinct language". A dead language may still be observed and studied through recordings or written text, but it is still dead or extinct unless there are fluent speakers. Although languages have always become extinct throughout human history, they are currently disappearing at an accelerated rate by the processes of globalization and neocolonialism, and the economically powerful languages dominate other languages.
More-commonly spoken languages dominate the less-commonly spoken languages and so the latter eventually disappear. The total number of languages in the world is not known. Estimates vary depending on many factors. The general consensus is that there are between 6000 and 7000 languages currently spoken, and that between 50 and 90% of them will have become extinct by 2100. The 20 most common languages, spoken by more than 50 million speakers each, are spoken by 50% of the world's population, but many of the other languages are spoken by small communities, most of them with fewer than 10,000 speakers.
To recognize an endangered languages, the stages of language extinction follow five steps. The first step is potential endangerment. This is when a language faces endangerment, but there are still a few speakers who are keeping the language current and alive. The second stage is endangerment. Once a language has reached the endangerment stage, there are only a few speakers left, risking the chances of the language surviving much longer. The third stage of language extinction is seriously endangered. During this stage, a language is unlikely to survive another generation and will soon be extinct. The fourth stage is moribund, followed by the fifth stage extinction.
UNESCO operates with four levels of language endangerment beyond "safe" (not endangered), based on intergenerational transfer: "vulnerable" (not spoken by children outside the home), "definitely endangered" (children not speaking), "severely endangered" (only spoken by the oldest generations), and "critically endangered" (spoken by few members of the oldest generation, often semi-speakers). Using an alternative scheme of classification, linguist Michael E. Krauss defines languages as "safe" if it is considered that children will probably be speaking them in 100 years; "endangered" if children will probably not be speaking them in 100 years (approximately 60–80% of languages fall into this category) and "moribund" if children are not speaking them now.
There is a general consensus that the loss of languages harms the cultural diversity of the world. Many projects are under way aimed at preventing or slowing this loss by revitalizing endangered languages and promoting education and literacy in minority languages. Across the world, many countries have enacted specific legislation aimed at protecting and stabilizing the language of indigenous speech communities. A few linguists have argued that language loss is a natural process that should not be counteracted and that recording endangered languages for posterity is sufficient.
Almost all speakers of endangered languages consider the loss of their language to be a vital break with their cultural identity and tradition, and many work actively to counteract the impending language loss, often working closely with linguists in revitalization projects. Recognizing that most of the world's endangered languages are unlikely to be revitalized, many linguists are working on documenting the thousands of languages of the world about which little or nothing is known. Their work may prove helpful both for the science of linguistics and in the future for the descendants of the speech communities if they wish to learn about their ancestral language after it has become extinct.
- 1 Number of languages
- 2 Defining and measuring endangerment
- 3 Causes
- 4 Effects
- 5 Response
- 6 See also
- 7 References
- 8 Further reading
- 9 External links
Number of languages
The total number of contemporary languages in the world is not known, and it is not well defined what constitutes a separate language as opposed to a dialect. Estimates vary depending on the extent and means of the research undertaken, and the definition of a distinct language and the current state of knowledge of remote and isolated language communities. The number of known languages varies over time as some of them become extinct and others are newly discovered. An accurate amount of languages in the world was not yet known until the use of universal, systematic surveys in the later half of the twentieth century. The majority of linguists in the early twentieth century refrained from making estimates. Before then, estimates were frequently the product of guesswork and very low.
Ethnologue's 2005 count of languages in its database, excluding duplicates in different countries, was 6,912, of which 32.8% (2,269) were in Asia, and 30.3% (2,092) in Africa. This contemporary tally must be regarded as a variable number within a range. Areas with a particularly large number of languages that are nearing extinction include: Eastern Siberia, Central Siberia, Northern Australia, Central America, and the Northwest Pacific Plateau. Other hotspots are Oklahoma and the Southern Cone of South America.
Endangered sign languages
Almost all of the study of language endangerment has been with spoken languages. A UNESCO study of endangered languages does not mention sign languages. However, some sign languages are also endangered, such as Alipur Village Sign Language (AVSL) of India, Adamorobe Sign Language of Ghana, Ban Khor Sign Language of Thailand, and Plains Indian Sign Language. Many sign languages are used by small communities; small changes in their environment (such as contact with a larger sign language or dispersal of the deaf community) can lead to the endangerment and loss of their traditional sign language. Methods are being developed to assess the vitality of sign languages.
Defining and measuring endangerment
While there is no definite threshold for identifying a language as endangered, UNESCO's 2003 document entitled Language vitality and endangerment outlines nine factors for determining language vitality:
- Intergenerational language transmission
- Absolute number of speakers
- Proportion of speakers existing within the total (global) population
- Language use within existing contexts and domains
- Response to language use in new domains and media
- Availability of materials for language education and literacy
- Government and institutional language policies
- Community attitudes toward their language
- Amount and quality of documentation
Many languages, for example some in Indonesia, have tens of thousands of speakers but are endangered because children are no longer learning them, and speakers are shifting to using the national language (e.g. Indonesian) in place of local languages. In contrast, a language with only 500 speakers might be considered very much alive if it is the primary language of a community, and is the first (or only) spoken language of all children in that community.
Asserting that "Language diversity is essential to the human heritage", UNESCO's Ad Hoc Expert Group on Endangered Languages offers this definition of an endangered language: "... when its speakers cease to use it, use it in an increasingly reduced number of communicative domains, and cease to pass it on from one generation to the next. That is, there are no new speakers, adults or children."
UNESCO's Atlas of the World's Languages in Danger categorises 2,473 languages into five levels of endangerment: vulnerable, definitely endangered, severely endangered, critically endangered and extinct. More than 200 languages have become extinct around the world over the last three generations.
Many scholars have devised techniques for determining whether languages are endangered. One of the earliest is GIDS (Graded Intergenerational Disruption Scale) proposed by Joshua Fishman in 1991. In 2011 an entire issue of Journal of Multilingual and Multicultural Development was devoted to the study of ethnolinguistic vitality, Vol. 32.2, 2011, with several authors presenting their own tools for measuring language vitality. A number of other published works on measuring language vitality have been published, prepared by authors with varying situations and applications in mind.
According to the Cambridge Handbook of Endangered Languages, there are four main types of causes of language endangerment.
There are those causes that put the populations that speak the languages in physical danger, such as:
- Natural disasters, famine, disease. Any natural disaster severe enough to wipe out an entire population of native language speakers has the capability of endangering a language. An example of this is the languages spoken by the people of the Andaman Islands, who were seriously affected by the 2004 Indian Ocean earthquake and tsunami.
- War and genocide. Examples of this are the language(s) of the indigenous population of Tasmania who were wiped out by colonists, and many extinct and endangered languages of the Americas where indigenous peoples have been subjected to genocidal violence, or in the cases of the Miskito language in Nicaragua and the Mayan languages of Guatemala have been affected by civil war.
And there are those causes which prevent or discourage speakers from using a language, such as:
- Political repression. This has frequently happened when nation-states working to promote a single national culture limit the opportunities for using minority languages in the public sphere, schools, the media, and elsewhere, sometimes even prohibiting them altogether. Sometimes ethnic groups are forcibly resettled, or children may be removed to be schooled away from home, or otherwise have their chances of cultural and linguistic continuity disrupted. This has happened in the case of many Native American and Australian languages, as well as European and Asian minority languages such as Breton or Alsatian in France and Kurdish in Turkey.
- Cultural/political/economic marginalization/hegemony. Cultural imperialism occurs when political and economical power is closely tied to a particular language and culture so that there is a strong incentive for individuals to abandon their language (on behalf of themselves and their children) in favor of another more prestigious one. One example of this is assimilatory education. This frequently happens when indigenous populations, in order to achieve a higher social status, have better chance to get employment, or are forced to it in school, adopt the cultural and linguistic traits of a people who have come to dominate them through colonisation, conquest, or invasion; examples of this kind of endangerment are the Welsh and Scots Language in Great Britain, the Ainu language in Japan, and the Chamorro language in Guam. This is the most common cause of language endangerment.  Ever since Indian government adopted Hindi as the official language of the union government, Hindi has taken over many languages in India. Another form of economic factors is the presence of language policies. This occurs when a government forces its citizens to speak a certain language and forbids another. When this happens, speakers of the forbidden native language will be punished and must learn the dominant language in order to survive. As a result, the older language will be forcibly removed from the environment where the language policy is in effect, resulting in the loss of another language. Other forms of cultural imperialism is religion and technology. When a religious group is firm in their beliefs, some groups will require its followers to speak one language that is the approved language of the religion.
Sometimes more than one of these causes act at the same time, as poverty, disease and disasters often affect minority groups disproportionally, for example causing the dispersal of speaker populations and decreased survival rates for those who stay behind.
In addition, cultural hegemony may often arise not from domination or conquest but simply from increasing contact with a larger and more influential language community through better communications compared with the relative isolation of past centuries.
Another form of language endangerment is social causes. Languages can be at threat when urbanization is involved. The movement of people into urban areas can force people to learn the language of their new environment. Eventually, later generations will lose the ability to speak their native language, leading to endangerment. Once urbanization takes place, the new dominant language that is spoken will begin to impose on the new families who live there and are under pressure to speak the language that is most commonly spoken. Additionally, intermarriage can also be a social cause of language endangerment. It is difficult to speak a native language when it is not commonly spoken at home. If there is an intermarried couple, there will always be pressure to speak one language to each other. This will eventually lead to teaching later generations to speak one language at home, most likely the more common language spoken between the married couple. As a result, languages can be lost over time due to the domination of languages in society, slowly endangering the language to the point of extinction.
Marginalization and endangerment
Among the causes of language endangerment cultural, political and economic marginalization accounts for most of the world's language endangerment. Scholars distinguish between several types of marginalization: Economic dominance negatively affects minority languages when poverty leads people to migrate towards the cities or to other countries, thus dispersing the speakers. Cultural dominance occurs when literature and higher education is only accessible in the majority language. Political dominance occurs when education and political activity is carried out exclusively in a majority language.
Historically, in colonies, and elsewhere where speakers of different languages have come into contact, some languages have been considered superior to others: often one language has attained a dominant position in a country. Speakers of endangered languages may themselves come to associate their language with negative values such as poverty, illiteracy and social stigma, causing them to wish to adopt the dominant language which is associated with social and economical progress and modernity. Immigrants moving into an area may lead to the endangerment of the autochthonous language.
Language endangerment affects both the languages themselves and the people that speak them.
Effects on communities
As communities lose their language they often also lose parts of their cultural traditions which are tied to that language, such as songs, myths and poetry that are not easily transferred to another language. This may in turn affect their sense of identity, producing a weakened social cohesion as their values and traditions are replaced with new ones. This is sometimes characterized as anomie. Losing a language may also have political consequences as some countries confer different political statuses or privileges on minority ethnic groups, often defining ethnicity in terms of language. That means that communities that lose their language may also lose political legitimacy as a community with special collective rights. Language can also be considered as scientific knowledge in topics such as medicine, philosophy, botany, and many more. It reflects a communities practices when dealing with the environment and each other. When a language is lost, this knowledge is lost as well.
Effects on languages
During language loss — sometimes referred to as obsolescence in the linguistic literature — the language that is being lost generally undergoes changes as speakers make their language more similar to the language that they are shifting to. For example, gradually losing grammatical or phonological complexities that are not found in the dominant language.
Generally the accelerated pace of language endangerment is considered to be a problem by linguists and by the speakers. However, some linguists, such as the late phonetician Peter Ladefoged, have argued that language death is a natural part of the process of human cultural development, and that languages die because communities stop speaking them for their own reasons. Ladefoged argued that linguists should simply document and describe languages scientifically, but not seek to interfere with the processes of language loss. A similar view has been argued at length by linguist Salikoko Mufwene, who sees the cycles of language death and emergence of new languages through creolization as a continuous ongoing process. 
A majority of linguists do consider that language loss is an ethical problem, as they consider that most communities would prefer to maintain their languages if given a real choice, as well as a scientific problem, because language loss on the scale currently taking place will mean that future linguists will only have access to a fraction of the world's linguistic diversity, and will therefore have a skewed picture of what human language is and can be.
Linguists, members of endangered language communities, governments, nongovernmental organizations, and international organizations such as UNESCO and the European Union are actively working to save and stabilize endangered languages. Once a language is determined to be endangered, there are three steps that can be taken in order to stabilize or rescue the language. The first is language documentation, the second is language revitalization and the third is language maintenance.
Language documentation is the documentation in writing and audio-visual recording of grammar, vocabulary, and oral traditions (e.g. stories, songs, religious texts) of endangered languages. It entails producing descriptive grammars, collections of texts and dictionaries of the languages, and it requires the establishment of a secure archive where the material can be stored once it is produced so that it can be accessed by future generations of speakers or scientists.
Language revitalization is the process by which a language community through political, community, and educational means attempts to increase the number of active speakers of the endangered language. This process is also sometimes referred to as language revival or reversing language shift. Vocabulary and courses are available online for a number of endangered languages.
Language maintenance refers to the support given to languages that need for their survival to be protected from outsiders who can ultimately affect the number of speakers of a language. UNESCO's strides towards preventing language extinction involves promoting and supporting the language in aspects such as education, culture, communication and information, and science.
Another option is "post-vernacular maintenance": the teaching of some words and concepts of the lost language, rather than revival proper.
As of June 2012 the United States has a "J-1 specialist visa, which allows indigenous language experts who do not have academic training to enter the U.S. as experts aiming to share their knowledge and expand their skills."
- Language ideology
- Language death
- Language Documentation & Conservation (peer-reviewed open-access academic journal)
- Language policy
- Language revitalization
- List of endangered languages with mobile apps
- Lists of endangered languages
- Lists of extinct languages
- List of revived languages
- Native American Languages Act of 1990
- Red Book of Endangered Languages
- The Linguists (documentary film)
- Universal Declaration of Linguistic Rights
- Crystal, David (2002). Language Death. Cambridge University Press. p. 11. ISBN 0521012716.
A language is said to be dead when no one speaks it any more. It may continue to have existence in a recorded form, of course traditionally in writing, more recently as part of a sound or video archive (and it does in a sense 'live on' in this way) but unless it has fluent speakers one would not talk of it as a 'living language'.
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- "Endangered Language Resources at the LSA".
- Resource Network for Linguistic Diversity
- Endangered Languages Project
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