Internet hosts:
316 million (2008); note - the US Internet total host count includes the following top level domain host addresses: .us, .com, .edu, .gov, .mil, .net, and .org
Internet Service Providers (ISPs):
7,000 (2002 est.)
Internet users:
223 million (2008)
Transportation
United States
Airports:
14,947 (2007)
Airports - with paved runways: