Search results
Results from the WOW.Com Content Network
Under the law, the Immigration and Nationality Act of 1965, [128] the number of first-generation immigrants living in the United States has increased, [129] from 9.6 million in 1970 to about 38 million in 2007. [130] Around a million people legally immigrated to the United States per year in the 1990s, up from 250,000 per year in the 1950s. [131]
The US has the 2nd largest Exclusive Economic Zone of 11,351,000 km 2 (4,383,000 sq mi). By total area (water as well as land), the United States is either slightly larger or smaller than the People's Republic of China, making it the world's third or fourth-largest country.
The urbanization of the United States occurred over a period of many years, with the nation only attaining urban-majority status between 1910 and 1920. [2] Currently, over four-fifths of the U.S. population resides in urban areas, a percentage which is still increasing today. [2] The United States Census Bureau changed its classification and ...
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 ...
The first documented use of the phrase "United States of America" is a letter from January 2, 1776. Stephen Moylan, a Continental Army aide to General George Washington, wrote to Joseph Reed, Washington's aide-de-camp, seeking to go "with full and ample powers from the United States of America to Spain" to seek assistance in the Revolutionary War effort.
The statistical criteria for a standard metropolitan area were defined in 1949 and redefined as a metropolitan statistical area in 1983. [3] Due to suburbanization, the typical metropolitan area is polycentric rather than being centered around a large historic core city such as New York City or Chicago. [4]
Largely as a result of the change in criteria, the proportion of American citizens living in urban areas fell between 2010 and 2020, from 80.7% to 80.0%. [ 1 ] There were 2,644 urban areas identified by the Census Bureau for 2020. 510 had a population of 50,000 or more and are listed here.
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 ...