美国护照
Visa requirements for United States citizens are administrative entry restrictions by the authorities of other states placed on citizens of the United States. As of January 11, 2020, holders of a United States passport can visit 184 countries and territories without a visa or with a visa on arrival, ranking it eighth in terms of travel freedom (tied with Belgium, Greece, Norway and United Kingdom) according to the Henley Passport Index. Additionally, Arton Capital's Passport Index ranked the United States passport third in the world in terms of travel freedom, with a visa-free score of 165 (tied with Danish, Dutch, French, Finnish, Italian, Luxembourgish, Norwegian, Singaporean, South Korean, Spanish and Swedish passports), as of January 17, 2019. The United States Government has prohibited all U.S. nationals from travelling to North Korea without special permission, making all United States passports invalid for travel to the country.