The
United States is the world's largest national economy in nominal terms and second largest according to
purchasing power parity (PPP), representing 22% of
nominal global GDP and 17% of
gross world product (GWP). The United States' GDP was estimated to be $17.914 trillion as of Q2 2015. The
U.S. dollar is the
currency most used in
international transactions and is the world's foremost
reserve currency, backed by
its science and technology,
its military,
the full faith of the US government to reimburse its debts, its central role in a range of international institutions since
World War II and the
petrodollar system. Several countries
use it as their official currency, and in many others it is the
de facto currency.The United States has a
mixed economy and has maintained a stable overall GDP growth rate, a moderate unemployment rate, and high levels of research and capital
investment. Its seven
largest trading partners are
Canada,
China,
Mexico,
Japan,
Germany,
South Korea, and the
United Kingdom.
[
The US economy went through an economic downturn following the
financial crisis of 2007–08, with output as late as 2013 still below potential according to the
Congressional Budget Office. The economy, however, began to recover in the second half of 2009, and as of November 2015,
unemployment had declined from a high of 10% to 5%.
In December 2014,
public debt was slightly more than 100% of GDP. Domestic financial
assets totaled $131 trillion and domestic financial
liabilities totaled $106 trillion.
[
Source:(www.en.wikipedia.org)