Population of United States 2021

As of 2021, the latest population of United States is 332,639,102, based on AllCityPopulation calculation of the current data from UN (United Nations).

Population Distribution

Total population 332,639,102
Population growth rate 0.72%
Birth rate 12.50 births per 1,000 people
Life expectancy
Overall life expectancy 78.62 years
Men life expectancy 76.19 years
Women life expectancy 81.17 years
Age structure
0-14 years 18.62%
15-64 years 65.35%
65 years and above 16.03%
Median age 37.80 years
Gender ratio (Male to Female) 0.97
Population density 33.85 residents per km²
Urbanization 80.10%
72.4% White, 12.6% Black, 4.8% Asians, 0.9% Native Americans / Inuit / Aleutians, others 9.3%; 16.3% Hispanics
Protestants 51.3%, Catholics (Roman Catholic) 23.9%, other Christian rescues Mormons 1.7%, Jews 1.6%, Muslims 1%; Members of other religions 10% non-denominational 10% [2002]
Human Development Index (HDI) 0.920
HDI ranking 15th out of 194

People in United States

Who are the Americans? The native people of America were the Indians. They were ousted by the Europeans (see History of the USA) and today only make up 1 percent of the US population. In Alaska, it is primarily the Aleutians that we would call Eskimos.

Most Americans are white, 72.4 percent. They are descended from Spaniards, French, English, Germans, Italians, Irish, Scandinavians and Eastern Europeans. 12.6 percent of Americans are black. They are also called African American. Many of their ancestors were brought to America as slaves from the 17th century. 4.8 percent of Americans are from Asia or with Asian ancestry. They come mainly from China, Japan, Korea, India and the Philippines.

Many people of Latin American origin live in the southwest of the USA, for example from Mexico. They are also called Latinos or Hispanics. Many of them have come to the United States from their home country to escape economic hardship. They often live illegally in the US, so they don’t have a passport and are not insured. Latinos make up 16 percent of the total US population.

On the map you can see that a lot of people in the USA have German roots (everything in light blue). Do you know famous actors whose ancestors come from Germany? Leonardo DiCaprio is one of them, for example, his mother was born in Germany.

Languages in United States

English is the main language spoken in America. Since the English founded the first colonies here, they brought their language with them. However, it changed over time. There is a more typically American pronunciation, even if it can of course be very different and there are many dialects. An American from Texas sounds different than one from Vermont.

Differences from British English

A typical contrast to British English (British English) – as it is so spoken in the UK – is the pronunciation of a. While the English pronounce the a in banana or the a in tomatoe like a German “a”, the Americans tend to say “ä”.

And then there are certain vocabulary that can make understanding between English and Americans quite difficult. So the elevator in England is called lift, in America elevator, and the biscuit (biscuit) becomes a cookie. By the way, in America a biscuit is a soft bun. Bill is the bill in England, a bank note in America. This can lead to misunderstandings… An apartment is called flat in England, and apartment in America. Americans also put the month first, then the day of the date. So 5/6/14 is May 6th and not June 5th…

There are also differences in the spelling. Where the English write –re, the American writes –an, for example center and center. The ending -our becomes -or in America, for example color and color.


In addition to English, Spanish is also spoken in the south-west of the country. The immigrants, especially from Mexico, speak Spanish and sometimes don’t even learn English. In the southwestern states, for example, there are sometimes even bilingual signs. In Florida it is immigrants from Cuba and Colombia who speak Spanish. Spanish is also spoken in Puerto Rico, an island in the Caribbean that is part of the United States as a suburb.

Because the southwest and Florida were colonized by Spaniards from the 16th century, you will also find many place names of Spanish origin here. Los Angeles (The Angels), San Francisco (Saint Francis) or Santa Fe (Holy Faith) are among them.

Religions in United States

About 75 percent of Americans belong to a Christian church, of which just under 24 percent belong to the Roman Catholic church, the rest (i.e. 51 percent) to a Protestant church. 1.7 percent are Mormons, 1.7 percent are Jews, 0.7 percent are Jehovah’s Witnesses, and the same number are Buddhists.

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