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How Many People Are In the United States

It is not difficult to find the information about how many people there are in the United States, because the U.S. Census Bureau1 regularly publishes the population data. In the middle of 2012 they stated the following:


It means that by population the United States is the third largest country in the world (following the People’s Republic of China and India). It is also known that the world’s population equals to about 6.8 billion people. Thus, about 4.5% of all people on the Earth live in the USA.

The first census, conducted in 1790, estimated that there were 3 929 214 citizens in the country. As you can easily calculate, since then the US population has become almost eighty times greater. The 100 000 000 mark was crossed in 1915, the 200 000 000 mark in 1967, and the 300 000 000 mark in 2006.

According to the expectation of the U.S. Census Bureau, over the next decades the population of the USA will reach the following estimates.

Year
Population
2020
About 335 000 000
2030
About 360 000 000
2040
About 390 000 000
2050
About 420 000 000


As expected, the population of the USA will reach 400 000 000 people in 2042.

The fertility rate in the USA is 2.09. It means that every American woman gives birth, on the average, to 2.09 children during her life. This rate does not mean the tendency to the growth of population, but the number of citizens constantly increases due to immigrants. Every eight seconds a new American is born, and every eleven seconds one death is registered. But every thirty seconds one migrant becomes an American.

More than eighty percent of the USA population live in cities and suburbs. California and Texas are the most populous U.S. states, and New Jersey has the highest density ration in the country. More than 430 persons live on a square kilometer there.

The table below will give you information about the eleven most populous states by August 15, 2012.

State
Population
Percent of U.S.total population
California
38 053 956
12.11%
Texas
25 901 361
8.24%
New York
19 465 197
6.20%
Florida
19 057 542
6.07%
Pennsylvania
12 902 379
4.11%
Illinois
12 869 257
4.10%
Ohio
11 736 504
3.74%
Michigan
9 876 187
3.14%
Georgia
9 792 653
3.12%
North Carolina
9 656 401
3.07%
New Jersey
8 821 155
2.81%
  1. The United States Census Bureau (the Bureau of the Census) is the U.S. government agency responsible for the Census of the USA. It is the major source of information about the demographic situation it America.
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