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The Demography of the World Population from 1950 to 2100. Data source: United Nations — World Population Prospects 2017. Demography (from Ancient Greek δῆμος (dêmos) 'people, society' and -γραφία (-graphía) 'writing, drawing, description') [1] is the statistical study of human populations: their size, composition (e.g., ethnic group, age), and how they change through the ...
Demographic statistics are measures of the characteristics of, or changes to, a population. Records of births, deaths, marriages, immigration and emigration and a regular census of population provide information that is key to making sound decisions about national policy. [1] [2] A useful summary of such data is the population pyramid. It ...
Earth has a human population of over 8 billion as of 2024, with an overall population density of 50 people per km 2 (130 per sq. mile). Nearly 60% of the world's population lives in Asia, with more than 2.8 billion in the countries of India and China combined. The percentage shares of China, India and rest of South Asia of the world population ...
A demographic profile is a form of demographic analysis in which information is gathered about a group to better understand the group's composition or behaviors for the purpose of providing more relevant services. In business, a demographic profile is usually used to increase marketing efficiency.
Population growth is fastest among minorities as a whole, and according to a 2020 U.S. Census Bureau analysis, 50% of U.S. children under the age of 18 are now members of ethnic minority groups. [28] As of 2020, white Americans numbered 235,411,507 or 71% of the population, including people who identified as white in combination with another race.
A census taker visits a family of Indigenous Dutch Travellers living in a caravan in the Netherlands in 1925. A census (from Latin censere, 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given population, usually displayed in the form of statistics.
The way in which places in turn react to population phenomena, e.g. immigration; Research topics of other geographic sub-disciplines, such as settlement geography, also have a population geography dimension: The grouping of people within settlements; The way from the geographical of places, e.g. settlement patterns
Population density (people per km 2) by country. This is a list of countries and dependencies ranked by population density, sorted by inhabitants per square kilometre or square mile. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1.