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OFFICIAL NAME

United States of America

FORM OF GOVERNMENT

federal republic with two legislative houses (Senate [100]; House of Representatives [435¹])

HEAD OF STATE AND GOVERNMENT

President: Donald Trump

CAPITAL

Washington, D.C.

OFFICIAL LANGUAGE

none

OFFICIAL RELIGION

none

MONETARY UNIT

dollar (U.S.$)

CURRENCY EXCHANGE RATE

1 US dollar equals 0.848 Euro

POPULATION

(2010) 308,745,538; (2019 est.) 328,476,000²

POPULATION RANK

(2019) 3

POPULATION PROJECTION 2030

358,633,000

TOTAL AREA (SQ MI)

3,677,649³

TOTAL AREA (SQ KM)

9,525,067³

DENSITY: PERSONS PER SQ MI

(2018) 93

DENSITY: PERSONS PER SQ KM

(2018) 35.9

URBAN-RURAL POPULATION

Urban: (2018) 82.3%

Rural: (2018) 17.7%

LIFE EXPECTANCY AT BIRTH

Male: (2016) 76.1 years

Female: (2016) 81.1 years

LITERACY: PERCENTAGE OF POPULATION AGE 15 AND OVER LITERATE

Male: (2000–2004) 95.7%

Female: (2000–2004) 95.3%

GNI (U.S.$ ’000,000)

(2017) 18,980,259

GNI PER CAPITA (U.S.$)

(2017) 58,270

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The emblem

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The flag

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OFFICIAL NAME

United States of America

FORM OF GOVERNMENT

federal republic with two legislative houses (Senate [100]; House of Representatives [435¹])

HEAD OF STATE AND GOVERNMENT

President: Donald Trump

CAPITAL

Washington, D.C.

OFFICIAL LANGUAGE

none

OFFICIAL RELIGION

none

MONETARY UNIT

dollar (U.S.$)

CURRENCY EXCHANGE RATE

1 US dollar equals 0.848 Euro

POPULATION

(2010) 308,745,538; (2019 est.) 328,476,000²

POPULATION RANK

(2019) 3

POPULATION PROJECTION 2030

358,633,000

TOTAL AREA (SQ MI)

3,677,649³

TOTAL AREA (SQ KM)

9,525,067³

DENSITY: PERSONS PER SQ MI

(2018) 93

DENSITY: PERSONS PER SQ KM

(2018) 35.9

URBAN-RURAL POPULATION

Urban: (2018) 82.3%

Rural: (2018) 17.7%

LIFE EXPECTANCY AT BIRTH

Male: (2016) 76.1 years

Female: (2016) 81.1 years

LITERACY: PERCENTAGE OF POPULATION AGE 15 AND OVER LITERATE

Male: (2000–2004) 95.7%

Female: (2000–2004) 95.3%

GNI (U.S.$ ’000,000)

(2017) 18,980,259

GNI PER CAPITA (U.S.$)

(2017) 58,270

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Geo History

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The United States of America - Summary on a Map

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States of the USA

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Geography and Climate

The U.S. borders both the North Atlantic and North Pacific Oceans and is bordered by Canada and Mexico. It is the third-largest country in the world by area and has a varied topography. The eastern regions consist of hills and low mountains, while the central interior is a vast plain (called the Great Plains region). The west has high rugged mountain ranges (some of which are volcanic in the Pacific Northwest). Alaska also features rugged mountains as well as river valleys. Hawaii's landscape varies but is dominated by volcanic topography.

Like its topography, the climate of the U.S. also varies depending on location. It is considered mostly temperate but is tropical in Hawaii and Florida, arctic in Alaska, semiarid in the plains west of the Mississippi River and arid in the Great Basin of the southwest.