World Facts

What is the Population of the United States?

The United States is the world’s third-most highly populated nation with a population of approximately 329,256,465 people.

The United States is the world's fourth (or third) largest country depending on measurements. The U.S. is composed of 5 main self-governing territories, a federal district, and 50 states among other possessions. The Federal district and 48 states are in the contiguous U.S. while Hawaii is in the Pacific Ocean and Alaska in the northwestern corner of the North American continent. The U.S. shares a maritime boundary with the Bahamas, Russia, and Cuba and land borders with Mexico and Canada. The Canadian-American border is the longest bi-national land boundary on the planet. The United States is the world’s third-most populated nation with a population of approximately 329,256,465 people.

The Population Of The US

The U.S. had an estimated population of approximately 327,167,434 residents by July 2018 with a net population gain of about 6,646 individuals per day. The country’s population almost quadrupled from 1900 (76.2 million) to 2000 (281.4 million). Unlike India and China, the U.S. is the only leading industrialized country where high population growth is still being projected. The country’s birth rate was 7.04 children per woman in 1800s, and by 2017 it had reduced to 1.76 births per woman. The country experienced a population growth rate of about 0.8% in 2018. The U.S. had a death rate of about 8.2 deaths per 1,000 people and a birth rate of 12.4 births per 1,000 people.

Immigration has caused the country’s population to increase with the number of foreigners living in the U.S. rising from 1990 (20 million) to 2015 (45 million). Foreign-born immigration was responsible for a third of the population increase from 1990 to 2015. There were more than 90 million immigrants and children of immigrants in 2018 in the United States, accounting for over 28% of the country’s population. Over 18.62% of the residents are below 14 years old, while 16.03% are over 65 years old. 39.29% of the residents are between 25 years and 54 years old.


The United States is a multicultural country. 14.7% of the country cites German heritage, 12.30% are of Black descent, 10.90% are of Mexican, and 10.60% are Irish. 


The de facto national language of the United States is English, which was used by over 78.2% of the Americans above 5 years old (over 230 million) as their only language at home in 2018. The second-most common language in the country which was used by over 13.4% of the residents in 2018 is Spanish. The United States does not have an official language, but English is recognized by 32 states. 

What is the Population of the United States?

United States329,256,465


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