United States

=== Transportation ===
{{Main|Transportation in the United States}}
[[File:Atlanta Hartsfield-Jackson (cropped).jpg|thumb|[[Hartsfield–Jackson Atlanta International Airport]], serving the [[Atlanta metropolitan area]], is the world's [[List of busiest airports by passenger traffic|busiest airport by passenger traffic]] with over 93 million passengers annually in 2022.<ref>{{cite web|url=https://www.cnn.com/travel/article/worlds-busiest-airports-2021/index.html|title=This US airport has reclaimed its title as the world's busiest|publisher=CNN|first=Marnie|last=Hunter|date=April 11, 2022}}</ref>]]

Personal transportation in the United States is [[Car dependency|dominated by automobiles]],<ref>{{Cite web |date=May 19, 2022 |title=Cars still dominate the American commute |url=https://www.weforum.org/agenda/2022/05/commute-america-sustainability-cars/ |access-date=May 21, 2023 |website=World Economic Forum |language=en}}</ref><ref>{{Cite web |last=Humes |first=Edward |date=April 12, 2016 |title=The Absurd Primacy of the Automobile in American Life |url=https://www.theatlantic.com/business/archive/2016/04/absurd-primacy-of-the-car-in-american-life/476346/ |access-date=July 12, 2023 |website=The Atlantic |language=en}}</ref> which operate on a network of {{convert|4|e6mi|abbr=off|sp=us}} of public roads, making it the [[List of countries by road network size|longest network]] in the world.<ref>{{Cite web |title=Roadways – The World Factbook |url=https://www.cia.gov/the-world-factbook/field/roadways/country-comparison |url-status=live |archive-url=https://web.archive.org/web/20210712201909/https://www.cia.gov/the-world-factbook/field/roadways/country-comparison |archive-date=July 12, 2021 |access-date=July 15, 2021 |website=Cia.gov}}</ref><ref>{{cite web|title=Public Road and Street Mileage in the United States by Type of Surface|url=https://www.rita.dot.gov/bts/sites/rita.dot.gov.bts/files/publications/national_transportation_statistics/html/table_01_04.html|website=United States Department of Transportation|access-date=January 13, 2015|archive-date=January 2, 2015|archive-url=https://web.archive.org/web/20150102141414/https://www.rita.dot.gov/bts/sites/rita.dot.gov.bts/files/publications/national_transportation_statistics/html/table_01_04.html|url-status =dead }}</ref> The [[Oldsmobile Curved Dash]] and the [[Ford Model T]], both American cars, are considered the first mass-produced<ref>{{Cite news |date= January 26, 1986 |title=SOME MILESTONES OF THE AUTO AGE |language= en-US |work=The New York Times |url= https://www.nytimes.com/1986/01/26/automobiles/some-milestones-of-the-auto-age.html |access-date=June 1, 2023 |issn=0362-4331}}</ref> and mass-affordable<ref>{{Cite news |date =September 1, 2002|title=1926 Ford Model T Sports Touring Car |language= en-US |newspaper=The Washington Post |url =https://www.washingtonpost.com/archive/business/2002/09/01/1926-ford-model-t-sports-touring-car/810e313f-4370-44b7-bb76-3282f9de945e/ |access-date=June 1, 2023 |issn=0190-8286}}</ref> cars, respectively. As of 2022, the United States is the [[List of countries by motor vehicle production|second-largest manufacturer of motor vehicles]]<ref>{{Cite web |title=2022 production statistics |url= https://www.oica.net/category/production-statistics/2022-statistics/ |access-date=April 14, 2023 |website= International Organization of Motor Vehicle Manufacturers}}</ref> and is home to [[Tesla, Inc.|Tesla]], the world's most valuable car company.<ref>{{Cite web |last=Klebnikov | first=Sergei |title=Tesla Is Now The World's Most Valuable Car Company With A $208 Billion Valuation |url= https://www.forbes.com/sites/sergeiklebnikov/2020/07/01/tesla-is-now-the-worlds-most-valuable-car-company-with-a-valuation-of-208-billion/ |access-date=April 14, 2023 |website=Forbes |language=en}}</ref> American automotive company [[General Motors]] held the title of the world's best-selling automaker from 1931 to 2008.<ref>{{Cite news |last=Bunkley |first=Nick |date=January 21, 2009 |title=Toyota Ahead of G.M. in 2008 Sales |language=en-US |work=The New York Times |url=https://www.nytimes.com/2009/01/22/business/22auto.html |access-date=April 14, 2023 |issn=0362-4331}}</ref> Currently, the [[American automotive industry]] is the world's second-largest automobile market by sales,<ref>{{cite news|url=https://www.theguardian.com/business/2010/jan/08/china-us-car-sales-overtakes|title=China overtakes US in car sales|newspaper=The Guardian|date=January 8, 2010|access-date=July 10, 2011|location=London}}</ref> and the U.S. has the [[List of countries by vehicles per capita|highest vehicle ownership per capita]] in the world,<ref>{{cite web|date=January 30, 2017|title=Fact #962: Vehicles per Capita: Other Regions/Countries Compared to the United States|url=https://www.energy.gov/eere/vehicles/fact-962-january-30-2017-vehicles-capita-other-regionscountries-compared-united-states|access-date=January 23, 2021|website=Energy.gov|language=en}}</ref> with 910 vehicles per 1000 people.<ref name="USBTS">{{cite web|url=https://capitol-tires.com/how-many-cars-per-capita-in-the-us.html|title=Vehicle Statistics: Cars Per Capita|date=August 2017 |publisher=Capitol Tires}}</ref> The United States's [[Rail transport in the United States|rail transport network]], the [[List of countries by rail transport network size|longest network]] in the world,<ref>{{cite web|url=https://www.cia.gov/the-world-factbook/field/railways/country-comparison|title=Railways – The World Factbook|work=[[The World Factbook]]|publisher=[[Central Intelligence Agency]]|access-date=July 14, 2022}}</ref> handles mostly [[Freight transport|freight]].<ref>{{cite web|url=https://www.transtats.bts.gov/osea/seasonaladjustment/?PageVar=RAIL_PM|title=Seasonally Adjusted Transportation Data|publisher=Bureau of Transportation Statistics|location=Washington, D.C.|year=2021|access-date=February 16, 2021|archive-date=April 22, 2021|archive-url=https://web.archive.org/web/20210422132507/https://www.transtats.bts.gov/osea/seasonaladjustment/?PageVar=RAIL_PM|url-status=dead}}</ref><ref>{{cite news |last=Fitzsimmons |first=Emma G. |date=April 24, 2017 |title=Amtrak at a Junction: Invest in Improvements, or Risk Worsening Problems |url=https://www.nytimes.com/2017/04/24/nyregion/amtrak-infrastructure-crisis.html |newspaper=The New York Times |access-date=April 16, 2023}}</ref>

The [[List of airlines of the United States|American civil airline industry]] is entirely privately owned and has been largely [[Airline Deregulation Act|deregulated since 1978]], while [[List of airports in the United States|most major airports]] are publicly owned.<ref>{{cite web|last=Edwards|first=Chris|date=July 12, 2020|title=Privatization|url=https://www.downsizinggovernment.org/privatization|access-date=January 23, 2021|website=Downsizing the Federal Government|publisher=Cato Institute|language=en}}</ref> The three largest airlines in the world by passengers carried are U.S.-based; [[American Airlines]] is number one after its 2013 acquisition by [[US Airways]].<ref>{{cite web|url=https://www.iata.org/publications/pages/wats-passenger-carried.aspx|title=Scheduled Passengers Carried|publisher=International Air Transport Association (IATA)|year=2011|access-date=February 17, 2012|archive-url=https://web.archive.org/web/20150102034843/https://www.iata.org/publications/pages/wats-passenger-carried.aspx|archive-date=January 2, 2015}}</ref> Of the world's [[List of busiest airports by passenger traffic|50 busiest passenger airports]], 16 are in the United States, including the top five and the busiest, [[Hartsfield–Jackson Atlanta International Airport]].<ref name="PANYNJ 2021 report">{{cite web|url=https://www.panynj.gov/content/dam/airports/statistics/statistics-general-info/annual-atr/ATR_2021.pdf|title=2021 Airport Traffic Report|work=Port Authority of New York and New Jersey|date=April 2022|page=32}}</ref><ref>{{cite web|url=https://www.aci.aero/News/Releases/Most-Recent/2014/03/31/Preliminary-World-Airport-Traffic-and-Rankings-2013--High-Growth-Dubai-Moves-Up-to-7th-Busiest-Airport-|title=Preliminary World Airport Traffic and Rankings 2013—High Growth Dubai Moves Up to 7th Busiest Airport|archive-url=https://web.archive.org/web/20140401052319/https://www.aci.aero/News/Releases/Most-Recent/2014/03/31/Preliminary-World-Airport-Traffic-and-Rankings-2013--High-Growth-Dubai-Moves-Up-to-7th-Busiest-Airport-|archive-date=April 1, 2014|date=March 31, 2014|access-date=May 17, 2014}}</ref> {{As of|2022}}, there are 19,969 airports in the U.S., of which 5,193 are designated as "public use", including for [[general aviation]] and other activities.<ref>{{cite web |title=Number of U.S. Airports |url=https://www.bts.gov/content/number-us-airportsa |publisher=Bureau of Transportation Statistics |access-date=December 15, 2023}}</ref>

Of the [[List of busiest container ports|fifty busiest container ports]], four are located in the United States, of which the busiest is the [[Port of Los Angeles]].<ref>{{cite web|url=https://www.worldshipping.org/top-50-ports|title=The Top 50 Container Ports|work=[[World Shipping Council]]|location=Washington, D.C.|access-date=July 14, 2022}}</ref> The country's [[Inland waterways of the United States|inland waterways]] are the world's [[List of countries by waterways length|fifth-longest]], and total {{convert|41009|km|0|abbr=on}}.<ref>{{cite web |url=https://www.cia.gov/the-world-factbook/field/waterways/country-comparison |title=Waterways – The World Factbook |work=[[The World Factbook]] |publisher=[[Central Intelligence Agency]] |access-date=July 14, 2022}}</ref>