United States

Washington, D.C. · Americas

Population

340.1M

World Bank, 2025

Area

9,525,067 km²

GDP

$28.75T

World Bank, 2025

GDP Per Capita

$84,534.041

World Bank, 2025

Life Expectancy

78.4 yrs

World Bank, 2025

Capital

Washington, D.C.

United States is a country located in North America, with its capital in Washington, D.C.. As of 2025, it has a population of 340.1M and covers an area of 9,525,067 km². The economy of United States has a gross domestic product (GDP) of $28.75T (World Bank, 2025), translating to a per-capita income of $84,534.041 with annual economic growth of 2.8%. Life expectancy in United States stands at 78.4 years (World Bank, 2025), above the global average of 72 years. The official language is English, and the currency is the United States dollar ($). United States shares land borders with 2 countries.

Population Growth — United States

GDP Trend (USD)

How Large Is United States's Economy?

United States's GDP of $28.75T makes it a high-income economy by World Bank classification. GDP per capita of $84,534 is 526% above the regional average of 13,500 (World Bank, 2025). The economy has grown 62% over the past decade, from $16.84T in 2013 to $27.29T in 2023. The most recent annual growth rate of 2.8% is below the global median of 3.1% (World Bank, 2025). The unemployment rate of 4.2% is 39% below the regional average of 6.9 (World Bank, 2025). Inflation of 2.9% is within the 2-3% range considered stable by most central banks. United States's official currency is the United States dollar ($). As a UN member, United States participates in multilateral trade frameworks.

GDP

$28.75T

World Bank, 2025

GDP Per Capita

$84,534.041

World Bank, 2025

GDP Growth

2.8%

Unemployment

4.2%

Inflation

2.9%

Currencies

USD

What Are United States's Demographics?

With 340.1M people, United States is among the world's 15 most populous countries. At 36 people per km², the country is sparsely populated. Population has grown at 0.6% annually over the past decade (World Bank, 2025). Life expectancy stands at 78.4 years, 6.4 years above the global average of 72 years. Infant mortality of 5.5 per 1,000 live births is 54% below the regional average of 12 (World Bank, 2025). The country's official language is English. Over the past decade, United States's population grew from 263.1M to 336.8M, adding 73.7M people.

Population

340.1M

World Bank, 2025

Life Expectancy

78.4 yrs

World Bank, 2025

Infant Mortality

5.5 per 1k

Literacy Rate

—

Languages

English

CO₂ Per Capita

—

Where Is United States Located?

United States covers 9,525,067 km² (3,678,000 sq miles) and shares land borders with 2 countries. The country sits within the Americas region, North America subregion, spanning North America. Washington, D.C. serves as the seat of government and administrative capital of United States. The country spans 11 time zones, ranging from UTC-12:00 to UTC+12:00. Recognized internationally by ISO codes US and USA, United States is an independent sovereign state and a full UN member. Its 1 currency (USD) reflects its participation in multilateral trade and monetary frameworks.

Area

9,525,067 km²

Region

Americas

Subregion

North America

Capital

Washington, D.C.

Timezones

UTC-12:00

Continents

North America

Data sourced from World Bank Open Data. Last updated: March 2026.

Frequently Asked Questions about United States

What is the population of United States?

United States has a population of 340.1M as of 2025, according to World Bank data. Life expectancy is 78.4 years.

What is the capital of United States?

The capital of United States is Washington, D.C.. It serves as the country's administrative and political center.

What is the GDP of United States?

United States's GDP is $28.75T as of 2025 (World Bank). GDP per capita is $84,534.041. The economy grew at 2.8% in 2025.

What is the life expectancy in United States?

The average life expectancy in United States is 78.4 years (World Bank, 2025), above the global average. The infant mortality rate is 5.5 per 1,000 live births.

What region is United States in?

United States is located in Americas, specifically in North America. It is part of the continent of North America.

What is the size of United States?

United States covers an area of 9,525,067 km² (3,677,647 square miles). The population density is approximately 35.7 people per km².

What currency does United States use?

United States uses the United States dollar ($) with currency code USD.

What language is spoken in United States?

The official language of United States is English.

Is United States a member of the United Nations?

Yes, United States is a member of the United Nations.

What is United States's GDP?

United States's GDP is $28.75T (World Bank, 2025). This places it among Americas's economies by total output.

What is United States's GDP per capita?

United States's GDP per capita is $84,534, which is 526% above the regional average of 13,500 (World Bank, 2025).

What is United States's inflation rate?

United States's inflation rate is 2.9%, within the 2-3% range considered stable by most central banks (World Bank, 2025).

What is the population density of United States?

United States has a population density of 36 people per km², making it sparsely populated.

What is the life expectancy in United States?

Life expectancy in United States is 78.4 years, 6.4 years above the global average of 72 years (World Bank, 2025).

What is the total area of United States?

United States has a total land area of 9,525,067 km² (3,678,000 sq miles). This measurement covers the country's total sovereign territory as recorded by international geographic databases.

How many countries does United States border?

United States shares land borders with 2 countries (identified by the ISO 3166-1 alpha-3 codes: CAN, MEX). These borders define the country's overland connections to the wider region.

Historical Economic Trajectory

Between 1994 and 2023, United States's GDP expanded by 275% in nominal terms, rising from $7.29T to $27.29T over 29 years. This more-than-doubling of economic output reflects sustained structural growth across the period. Over the same reference period (1994 to 2023), United States's population grew from 263.1M to 336.8M, a change of 28% (73.7M people) across 29 years. Steady population growth has driven demand for housing, education, and public services throughout the period. Taken together, the GDP and population trajectories from 1994 onward illustrate how United States's economic output has evolved relative to its demographic base. Real GDP per capita has broadly improved over the span, as nominal output growth outpaced population growth by approximately 247 percentage points.

Global Comparative Standing

United States's GDP per capita of $84,534 is 526% above the regional average of 13,500 of $13,500 for the Americas region (World Bank, 2025). Life expectancy of 78.4 years is near the regional average of 75.2 of 75.2 years for Americas (World Bank, 2025). With a population of 340.1M, United States is among the world's 15 most populous countries. As a G7 member, United States is part of the group of seven major advanced economies representing approximately 46% of global GDP and setting much of the agenda for international economic policy.