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United States

North America

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Now a national monument, Fort McHenry in Baltimore, Maryland, is known for successfully defending Baltimore Harbor against the British navy during the War of 1812. The flying of the fort’s flag after 25 hours of continuous bombardment signaled US victory and inspired Francis Scott Key to compose the poem “Defence of Fort M’Henry,” which was later set to music and became known as “The Star-Spangled Banner,” the US national anthem.
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Contents

Introduction

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Visit the Definitions and Notes page to view a description of each topic.

Definitions and Notes
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Geography

Area

comparison ranking: total 4

People and Society

Age structure

2024 population pyramid:
This is the population pyramid for United States. A population pyramid illustrates the age and sex structure of a country's population and may provide insights about political and social stability, as well as economic development. The population is distributed along the horizontal axis, with males shown on the left and females on the right. The male and female populations are broken down into 5-year age groups represented as horizontal bars along the vertical axis, with the youngest age groups at the bottom and the oldest at the top. The shape of the population pyramid gradually evolves over time based on fertility, mortality, and international migration trends. <br/><br/>For additional information, please see the entry for Population pyramid on the Definitions and Notes page.

Median age

comparison ranking: total 69

Population growth rate

comparison ranking: 148

Birth rate

comparison ranking: 164

Death rate

comparison ranking: 64

Net migration rate

comparison ranking: 39

Maternal mortality ratio

comparison ranking: 130

Infant mortality rate

comparison ranking: total 172

Total fertility rate

comparison ranking: 162

Tobacco use

comparison ranking: total 52

Environment

Government

Economy

Real GDP growth rate

comparison ranking: 124

Real GDP per capita

comparison ranking: 13

Labor force

comparison ranking: 3

Unemployment rate

comparison ranking: 67

Public debt

comparison ranking: 12

Taxes and other revenues

comparison ranking: 126

Current account balance

comparison ranking: 194

Exports

comparison ranking: 2

Imports

comparison ranking: 1

Energy

Communications

Transportation

Airports

comparison ranking: 1

Heliports

comparison ranking: 1

Merchant marine

comparison ranking: total 7

Military and Security

Space

Terrorism

Transnational Issues

Contents