The state of Alaska is situated in the northwest portion of the continent, with Canada to its east and Russia to its west across the Bering Strait. The state of Hawaii is an archipelago in the mid-Pacific. The country also possesses several territories in the Pacific and Caribbean.
Land Area and Population
At 3.79 million square miles (9.83 million km2) and with around 315 million people, the United States is the third- or fourth-largest country by total area and the third-largest by both land area and 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 is home to a variety of species.
The United States is a developed country and has the world’s largest national economy, with an estimated 2012 GDP of $15.6 trillion – 19% of global GDP at purchasing-power parity, as of 2011. The per capita GDP of the U.S. was the world’s sixth-highest as of 2010, although America’s wealth inequality was also ranked highest among OECD countries by the World Bank.
The economy is fueled by an abundance of natural resources, a well-developed infrastructure, and high productivity; and while its economy is considered post-industrial it continues to be one of the world’s largest manufacturers. The country accounts for 39% of global military spending, and is a leading economic, political, and cultural force in the world, as well as a leader in scientific research and technological innovation.