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During the American colonial period, British colonial officials conducted censuses in some of the Thirteen Colonies that included enumerations by race. [1] In addition, tax lists and other reports provided additional data and information about the racial demographics of the Thirteen Colonies during this time period.
In 1900, when the U.S. population was 76 million, there were 66.8 million white Americans in the United States, representing 88% of the total population, [36] 8.8 million Black Americans, with about 90% of them still living in Southern states, [37] and slightly more than 500,000 Hispanics.
Statistical subregions as defined by the United Nations Statistics Division [1]. 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.
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 many years, voter turnout was reported as a percentage; the numerator being the total votes cast, or the votes cast for the highest office, and the denominator being the Voting Age Population (VAP), the Census Bureau's estimate of the number of persons 18 years old and older resident in the United States.
About 692 million people globally were in this situation in 2024. [8] The second table lists countries by the percentage of the population living below the national poverty line—the poverty line deemed appropriate for a country by its authorities. National estimates are based on population-weighted subgroup estimates from household surveys.
In statistics, a k-th percentile, also known as percentile score or centile, is a score (e.g., a data point) below which a given percentage k of arranged scores in its frequency distribution falls ("exclusive" definition) or a score at or below which a given percentage falls ("inclusive" definition); i.e. a score in the k-th percentile would be above approximately k% of all scores in its set.
In statistics, the 68–95–99.7 rule, also known as the empirical rule, and sometimes abbreviated 3sr or 3 σ, is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution: approximately 68%, 95%, and 99.7% of the values lie within one, two, and three standard deviations of the mean ...