The United States of America (USA) , commonly referred to
as the United States (US), America or simply the States,
is a federal republic consisting of 50 states and a federal district. The 48
contiguous states and the federal district of Washington, D.C., are in central North
America between Canada and Mexico. The state of Alaska is the northwestern part
of North America and the state of Hawaii is an archipelago in the mid-Pacific.
The country also has five populated and nine unpopulated territories in the
Pacific and the Caribbean. At 3.79 million square miles (9.83 million
km2) in total and with around 317 million people, the United States
is the fourth-largest country by total area and third largest by population. It
is one of the world's most ethnically diverse and multicultural nations, the
product of large-scale immigration from many countries .The geography and climate
of the United States is also extremely diverse, and it is home to a wide
variety of wildlife.
The United States emerged from 13 British colonies located along the Atlantic
seaboard. Disputes between Great Britain and these colonies led to the American
Revolution.
The United States is a developed country and has the world's largest national economy, with an estimated GDP in 2013 of $16.8 trillion—23% of global nominal GDP and 19% at purchasing-power parity .The economy is fueled by an abundance of natural resources and the world's highest worker productivity, with per capita GDP being the world's sixth-highest in 2010. While the U.S. economy is considered post-industrial, it continues to be one of the world's largest manufacturers. The U.S. has the highest mean and second-highest median household income in the OECD as well as the highest average wage, though it has the fourth most unequal income distribution among OECD nations with roughly 16% of the population living in poverty. The country accounts for 36.6% of global military spending, being the world's foremost economic and military power, a prominent political and cultural force, and a leader in scientific research and technological innovation.
The United States is a developed country and has the world's largest national economy, with an estimated GDP in 2013 of $16.8 trillion—23% of global nominal GDP and 19% at purchasing-power parity .The economy is fueled by an abundance of natural resources and the world's highest worker productivity, with per capita GDP being the world's sixth-highest in 2010. While the U.S. economy is considered post-industrial, it continues to be one of the world's largest manufacturers. The U.S. has the highest mean and second-highest median household income in the OECD as well as the highest average wage, though it has the fourth most unequal income distribution among OECD nations with roughly 16% of the population living in poverty. The country accounts for 36.6% of global military spending, being the world's foremost economic and military power, a prominent political and cultural force, and a leader in scientific research and technological innovation.
Capital
:
|
Washington
D.C
|
Area:
|
9,826,675 square
km
|
National
Bird:
|
Eagle
|
National
Animal:
|
American Bison
|
National
Flower:
|
Rose
|
National
Language:
|
English
|
National
Sport:
|
Base
Ball
|
National
Dance:
|
Square
Dance
|
Prime
Minister:
|
Lewis
Cass
|
Major
Occupation:
|
Service
|
Time
Zone:
|
(UTC−5 to −10)
|