30 % of American citizens have passports . Comment: America is culturally and geographically diverse , making citizens travel within the country . United States citizens harbor an unmatched fear of the world , one traveler says .
30 % of American citizens have passports . 50 % of international trips were to either Mexico or Canada . America is culturally and geographically diverse , making citizens travel within the country . United States citizens harbor an unmatched fear of the world , one traveler says .