How useful is a Japanese passport for visa-free travel compared to other countries?
One motivation for naturalizing to Japanese that I hear from well-to-do foreign residents of Japan who travel a lot is the practicality of a Japanese passport over their native country's passport. In particular, businessmen and engineers who travel internationally often find a PRC passport, an Indian passport, or a Russian passport (especially given recent events in Crimea and the Ukraine and how the international communities responded by restricting visa-free travel for Russian passport holders) to be too restrictive for frequent international travel. If you tally up the number of countries (depending how you define a "country", there were anywhere from 189 to 219 "destinations" in the world in 2013), and rank passports by the total number of places one can enter without pre-arranging for a visa, the world's top five passports of 2013 rank as follows: (G7 countries are in red on a lime background ) 173 territories Finland Sweden United Kingdo...