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On April 1, 2020, the United States had a population of 331,449,281, according to the 2020 United States census. [ 31 ] The following demographic statistics are from the CIA World Factbook estimated as of 2018 [update], [ 5 ] unless otherwise indicated. Graphs are unavailable due to technical issues.
A population pyramid (age structure diagram) or " age-sex pyramid " is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1] Males are usually shown on the left and females on the right ...
The United States is a country primarily located in North America. Demographics of the United States concern matters of population density, ethnicity, education level, health of the populace, economic status, religious affiliations, and other aspects regarding the population. American population 1790–1860.
Most Asian Americans [5] historically lived in the Western United States. [11] [12] The Hispanic and Asian population of the United States has rapidly increased in the late 20th and 21st centuries, and the African American percentage of the U.S. population is slowly increasing as well since reaching a low point of less than ten percent in 1930. [5]
Data unavailable. In demography and population dynamics, the rate of natural increase (RNI), also known as natural population change, is defined as the birth rate minus the death rate of a particular population, over a particular time period. [1] It is typically expressed either as a number per 1,000 individuals in the population [2] or as a ...
The concept of the center of population as used by the U.S. Census Bureau is that of a balance point. The center of population is the point at which an imaginary, weightless, rigid, and flat (no elevation effects) surface representation of the 50 states (or 48 conterminous states for calculations made prior to 1960) and the District of Columbia ...
In 2020, the median age of the United States is 38.8, up from 37.2 in 2010, [ 42 ] 35 in 2000, and 30 in 1980. [ 55 ] An increase in median age is seen among all ethnic groups, though European Americans are currently the oldest by that measure, followed by African Americans and Asian Americans (including Amerindians and Native Alaskans); [ 39 ...
In demography, demographic transition is a phenomenon and theory which refers to the historical shift from high birth rates and high death rates to low birth rates and low death rates, as societies attain more technology, education (especially of women) and economic development. [1] The demographic transition has occurred in most of the world ...