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The human sex ratio is the ratio of males to females in a population in the context of anthropology and demography. In humans, the natural sex ratio at birth is slightly biased towards the male sex. It is estimated to be about 1.05 [1] or 1.06 [2] or within a narrow range from 1.03 to 1.06 [3] males per female.
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, [5] unless otherwise indicated. Graphs are unavailable due to technical issues.
It shows the male to female sex ratio by the Central Intelligence Agency of the United States. If there is a discrepancy between The World Factbook and a country's census data, the latter may be used instead. A ratio above 1, for example 1.1, means there are more males than females (1.1 males for every female).
A sex ratio is the ratio of males to females in a population. As explained by Fisher's principle, for evolutionary reasons this is typically about 1:1 in species which reproduce sexually. [2] [3] However, many species deviate from an even sex ratio, either periodically or permanently. Examples include parthenogenic species, periodically mating ...
As a percentage of all US adults, 3.1% identify as bisexual, 1.4% as gay, 0.7% as lesbian, and 0.6% as transgender. According to a 2021 report from the Human Rights Campaign (HRC), "at least 20 million adults in the United States could be lesbian, gay, bisexual or transgender people." and "Millions more could be another identity that is more ...
Total population. 331,449,281 ( 7.4%) Most populous state. California (39,538,223) Least populous state. Wyoming (576,851) The 2020 United States census was the 24th decennial United States census. Census Day, the reference day used for the census, was April 1, 2020. Other than a pilot study during the 2000 census, [ 1] this was the first U.S ...
The states and territories included in the United States Census Bureau 's statistics for the United States population, ethnicity, and most other categories include the 50 states and Washington, D.C. Separate statistics are maintained for the five permanently inhabited territories of the United States: Puerto Rico, Guam, the U.S. Virgin Islands ...
The 2021 mean age in the territory of Guam was 31.4 years. [1] Guam is the largest and most populated of the territories in the Mariana Islands. [2] The population density of Guam is approximately 310 people per square kilometer. The total land area is 544 km 2. [1] 94.9% of Guam's population lives in urban regions.