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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 ...
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 provides data about the sex and age distribution of the population in an accessible graphical ...
The dependency ratio is the age-population ratio of people who are normally not in the labor force (the dependent population, which includes those aged 0 to 14 and 65 and older) to those who are (the productive part, ages 15 to 64). It is used to gauge the strain on the populace that is productive.
The population numbers below are computed by a combination of census reports, random surveys (in countries where religion data is not collected in census, for example United States or France), and self-reported attendance numbers, but results can vary widely depending on the way questions are phrased, the definitions of religion used and the ...
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.
The American Community Survey (ACS) is an annual demographics survey program conducted by the United States Census Bureau.It regularly gathers information previously contained only in the long form of the decennial census, including ancestry, US citizenship status, educational attainment, income, language proficiency, migration, disability, employment, and housing characteristics.
The census includes territories of the United States. [2] The United States Census Bureau is responsible for conducting the census. The most recent national census took place in 2020; the next census is scheduled for 2030. Since 2013, the Census Bureau began discussions on using technology to aid data collection starting with the 2020 census. [3]
A social media video from the Census Bureau explaining how to use data.census.gov, an online platform that enables the public to search and use data from their Bureau's surveys. Throughout the decade between censuses, the bureau conducts surveys to produce a general view and comprehensive study of the United States' social and economic conditions.