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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 ...
The reasons for these shifting demographics vary among states. In Alaska, for example, low birth rates and higher rates of out-migration than in-migration also contribute to the state's older ...
Demographic statistics. 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 ...
Over 8,120,531,329 (estimated) Fertility rate. 2.27 (2021) 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 United States has a racially and ethnically diverse population. [1] 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.
As of 2017, 13.6% (44.4 million) of the population was foreign born – an increase from 4.7% in 1970 but less than the 1890 record of 14.8%. 45% of the foreign born population were naturalized US citizens. 23% (10.3 million) of the foreign born community is undocumented, accounting for 3.2% of the total population. [77]
This census acknowledged that "race categories include both racial and national-origin groups." The federal government of the United States has mandated that "in data collection and presentation, federal agencies are required to use a minimum of two ethnicities: "Hispanic or Latino" and "Not Hispanic or Latino". [32]
Demographic economics or population economics is the application of economic analysis to demography, the study of human populations, including size, growth, density, distribution, and vital statistics.