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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') is the statistical study of human populations: their size, composition (e.g., ethnic group, age), and how they change through the interplay ...
Census Bureau–designated regions and divisions U.S. Census Bureau regions and divisions. Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. The Census Bureau region definition is "widely used ... for data collection and analysis", and is the most commonly used classification system.
According to the 2010 census, Latin America and the Caribbean is the largest region-of-birth group, accounting for 53% of the foreign born population. As of 2018 this region is still the largest source of immigrants to the United States In 2018, there were almost 90 million immigrants and U.S. born children of immigrants (second-generation ...
Population geography. Satellite image of Earth at night. Population geography relates to variations in the distribution, composition, migration, and growth of populations. Population geography involves demography in a geographical perspective. [a] It focuses on the characteristics of population distributions that change in a spatial context.
Population. Population is the term typically used to refer to the number of people in a single area. Governments conduct a census to quantify the size of a resident population within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and plants, and has specific uses within such fields as ecology and genetics .
Geodemography. Geodemography is the study of people based on where they live [citation needed]; it links the sciences of demography, the study of human population dynamics, and geography, the study of the locational and spatial variation of both physical and human phenomena on Earth, [1] along with sociology.
At the federal level, race and ethnicity have been categorized separately. The most recent United States census recognized five racial categories ( White, Black, Native American / Alaska Native, Asian, and Native Hawaiian / Other Pacific Islander ), as well as people who belong to two or more of the racial categories.
Region. In geography, regions, otherwise referred to as areas, zones, lands or territories, are portions of the Earth's surface that are broadly divided by physical characteristics ( physical geography ), human impact characteristics ( human geography ), and the interaction of humanity and the environment ( environmental geography ).