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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.
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 ...
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.
v. t. e. Social class in the United States refers to the idea of grouping Americans by some measure of social status, typically by economic status. However, it could also refer to social status and/or location. [1] The idea that American society can be divided into social classes is disputed, and there are many competing class systems.
Population pyramid of the United States in 2023 In recent decades, the fertility rate of the United States has declined below replacement level, prompting projections of an aging population and workforce, [1] [2] as is already happening elsewhere in the developed world and some developing countries . [3]
In a 2007 study, Gonçalves et al. reported sub-Saharan and Amerindian mtDNA lineages at a frequency of 3.1% (respectively 0.9% and 2.2%) in a sample of 1387 American Caucasians as compared to 62% in white Brazilians (respectively 29% and 33%), 98% for white Colombians (respectively 8% and 90%) and similarly high levels for Argentines, Chileans ...
African Americans, Hispanic Americans, Métis Americans, Louisiana Creoles, Hapas, Melungeons. Multiracial Americans or mixed-race Americans are Americans who have mixed ancestry of two or more races. The term may also include Americans of mixed-race ancestry who self-identify with just one group culturally and socially (cf. the one-drop rule ).
Pan-American countries by population, 2020. This is a list of countries and dependent territories in the Americas by population, which is sorted by the 2015 mid-year normalized demographic projections.