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By 1490, more than 3,000 slaves a year were transported to Portugal and Spain from Africa [1] African Americans made up almost one-fifth of the United States population in 1790, but their percentage of the total U.S. population declined in almost every U.S. census until 1930. [5]
According to statistics, the United States currently has the highest marriage rate in the developed world, as of 2008, with a marriage rate of 7.1 per 1,000 people or 2,162,000 marriages. The average age for first marriage for men is 27.4 and 25.6 years for women. [32]
Under federal law, the Immigration and Nationality Act of 1965, [41] the number of first-generation immigrants living in the United States has increased, [42] from 9.6 million in 1970 to about 38 million in 2007. [43] Around a million people legally immigrated to the United States per year in the 1990s, up from 250,000 per year in the 1950s. [44]
The United States has a racially and ethnically diverse population. [1] 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.
Title page of 1790 United States census. The 1790 United States census was the first census in the history of the United States. The population of the United States was recorded as 3,929,214 as of Census Day, August 2, 1790, as mandated by Article I, Section 2 of the US Constitution and applicable laws. [13]
This page was last edited on 20 October 2024, at 07:01 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Immigration to the United States over time by region. In 2022 there was 46,118,600 immigrant residents in the United States or 13.8% of the US population according to the American Immigration Council. The number of undocumented or illegal immigrants stood at 9,940,700 in 2022 making up 21.6% of all immigrants or 3% of the total US population. [1]
The twentieth century witnessed a great expansion of the upper bounds of the human life span. At the beginning of the century, average life expectancy in the United States was 47 years. By the century's end, the average life expectancy had risen to over 70 years, and it was not unusual for Americans to exceed 80 years of age.