United States of America has a population of about 326,806,279. This is three hundred million, two hundred and sixty-eight thousand, six thousand two-hundred and seventy-nine individuals. That accounts for about 4.34% of the total world’s population. The population in the USA is third largest in the world after China with 1,379,302,771 persons and India with 1,281,935,911 persons.
The population of the United States has been rising slowly, at between 0.7 and 1 percent between 2000 and 2017. Seven years ago, in 2010, it was 308,745,538 persons, which means it has so far grown by 4.7 percent only in seven years. It is expected to reach 333,545,530 persons in 2020.
With a total land of area of 9,155,898 square kilometers, the country has a population density of 36 people per square kilometer. Most of the population, or about 82.9 percent, in the United States live in urban centers.
Where does the Majority of the Population Live?
37 percent of Americans live in the South, 23 percent live in the West, 21 percent in the Midwest, and 17 percent in the northeast as per 2016 data. The most populated state is California, with 39,250,017, followed by Texas with 27,862,596 and Florida with 20,612,439 as per 2016 population data.
However, the most densely populated states per square mile are District of Columbia with a population of 681,170 and a density of 11,140.2 per square mile, followed by New Jersey with a population of 8,944,469 persons and 1,216.0 per square mile and Rhode Island with a population of 1,056,426 and density of 1,021.7 per square mile according to 2016 population data.
Population According to Age and Origin
The population has a median age of 38.1 years. Females slightly outnumber males, at 50.8 percent, of the population. 22.8 percent were below 18 years and 15.2 percent were aged 65 and above.
Legal immigrants in the United States total to about 37,000,000 persons and there is an approximately 1,000,000 immigrants entering the country each year. In total, the United States hosts about 43.3 million foreign-born people. Of these, 20.7 million are naturalized U.S. citizens and 22.6 million are non-citizens. Of the non-citizens, those with lawful permanent residence are about 13.1 million; 1.7 million hold temporary visas; and 11.1 million are unauthorized migrants.
If you were looking at the population in terms of increase, one child is born in the country every 8 seconds but there is one death in every 12 seconds. There is one international migrant coming in after every 33 seconds. Therefore, the population gains one person in total after every 12 seconds.