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After having decreased by 2.27% by 2018, the total population of Portugal started to grow again, mainly sustained by growing immigration and slightly increasing birth rates. [5] [6] By 2023, the total population had already surpassed the 2009 peak. Portugal is a fairly linguistically and religiously homogeneous country.
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]
Below are two tables which report the average adult human height by country or geographical region. With regard to the first table, original studies and sources should be consulted for details on methodology and the exact populations measured, surveyed, or considered.
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]
Before 1970, Alaska and Hawaii had different choices for race on their censuses in contrast to the continental United States. [177] The United States has also used language as a way to classify people by race or ethnicity. [183] From 1910 to 1940, the Census recorded the mother tongue of the foreign-born population and their children. [184]
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.
The lists are commonly used in economics literature to compare the levels of ethnic, cultural, linguistic and religious fractionalization in different countries. [1] [2] Fractionalization is the probability that two individuals drawn randomly from the country's groups are not from the same group (ethnic, religious, or whatever the criterion is).
While some countries make classifications based on broad ancestry groups or characteristics such as skin color (e.g., the white ethnic category in the United States and some other countries), other countries use various ethnic, cultural, linguistic, or religious factors for classification. Ethnic groups may be subdivided into subgroups, which ...