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The current world population growth is approximately 1.09%. [5] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [5] The world's literacy rate has increased dramatically in the last 40 years, from 66.7% in 1979 to 86.3% today. [13]
For greater detail, see Distribution of languages in the world. This is a list of languages by total number of speakers. It is difficult to define what constitutes a language as opposed to a dialect. For example, Arabic is sometimes considered a single language centred on Modern Standard Arabic, other authors consider its mutually ...
World map of linguistic diversity index (linearly proportional to the shading intensity). Data is from the 18th edition of Ethnologue: Languages of the World.. Linguistic diversity index (LDI) may refer to either Greenberg's (language) Diversity Index [1] or the related Index of Linguistic Diversity (ILD) from Terralingua, which measures changes in the underlying LDI over time.
This is the list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2024 revision of World Population Prospects. It presents population estimates from 1950 to the present.
This is a list of countries by number of languages according to the 22nd edition of Ethnologue (2019). [ 1 ] Papua New Guinea has the largest number of languages in the world.
Population geographyis the study of the distribution, composition, migration, and growth of human populations in relation to the geographic characteristics of specific area. It focuses on how populations are distributed across space, the factors influencing these distributions, and the implications for resources, environment, and societal ...
It is spoken as first language by about 60% of the population. Portuguese is spoken by about 30%, and about 10% speak other languages such as Quechua, Mayan languages, Guaraní, Aymara, Nahuatl, English, French, Dutch and Italian. Portuguese is spoken mostly in Brazil, the largest and most populous country in the region.
The second difficulty is multilingualism, complicating the definition of "native language". Finally, in many countries, insufficient census data add to the difficulties. Demolinguistics is a branch of Sociology of language observing linguistic trends as affected by population distribution and redistribution and by the status of societies.