What document do you usually need for international air travel?
AnswerA passport
Passports prove identity and nationality at borders.
Travel · Facts & stats
Passport facts & stats
7 fact-checked facts about passports, visas and international travel documents, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What color is the cover of a standard U.S. passport?
AnswerDark blue
Regular U.S. passports have navy blue covers.
Going deeper
Which UN agency sets the international standards for machine-readable passports?
AnswerICAO
The International Civil Aviation Organization sets passport standards.
A standard U.S. passport for an adult aged 16 or older is valid for how many years?
Answer10
Adult passports last 10 years; those for children under 16 last 5.
What does the small camera-like symbol on many passport covers mean?
AnswerThe passport contains an electronic chip
The symbol marks a biometric e-passport.
Expert level
Which organization held the 1920 conference that led to the standard passport booklet?
AnswerLeague of Nations
The League of Nations' 1920 Paris conference set passport guidelines.
Fridtjof Nansen, namesake of the Nansen passport, was an explorer from which country?
AnswerNorway
Nansen was a Norwegian explorer and diplomat.
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