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Linguistic Diversity Index
Linguistic diversity index (LDI) may refer to either Greenberg's (language) Diversity Index or the related Index of Linguistic Diversity (ILD) from Terralingua, which measures changes in the underlying LDI over time. Greenberg's Diversity Index (LDI) is the probability that two people selected from the population at random will have different mother tongues; it therefore ranges from 0 (everyone has the same mother tongue) to 1 (no two people have the same mother tongue). The ILD measures how the LDI has changed over time; a global ILD of 0.8 indicates a 20% loss of diversity since 1970, but ratios above 1 are possible, and have appeared in regional indexes. The computation of the diversity index is based on the population of each language as a proportion of the total population. The index cannot fully account for the vitality of languages. Also, the distinction between a language and a dialect The term dialect (from Latin , , from the Ancient Greek word , 'discourse', from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ethnologue 18 Linguistic Diversity Index BlankMap-World6
''Ethnologue: Languages of the World'' (stylized as ''Ethnoloɠue'') is an annual reference publication in print and online that provides statistics and other information on the living languages of the world. It is the world's most comprehensive catalogue of languages. It was first issued in 1951, and is now published by SIL International, an American Christian non-profit organization. Overview and content ''Ethnologue'' has been published by SIL International (formerly known as the Summer Institute of Linguistics), a Christian linguistic service organization with an international office in Dallas Dallas () is the List of municipalities in Texas, third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the List of metropolitan statistical areas, fourth-largest metropolitan area in the United States at 7.5 ..., Texas. The organization studies numerous minority languages to facilitate language development, and to work with speakers of such ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
