Passport/Carrying IdentificationMake sure you carry your passport at all times during your trip to Japan. It is a legal requirement and local police may ask to check your identification. Your passport should be valid for the duration of your stay.
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In any event, it'll certainly take some time, and it's not going to be a particularly pleasant process. The bottom line: always, always, always keep your passport on your person or in your personal item — one that will never be gate-checked.
Singapore has taken first place on the latest Henley Passport Index 2023 rankings. Singaporeans enjoy visa-free access to 192 travel destinations out of 227 worldwide. With Japan falling to third place, three European countries tie in second place: Germany, Italy and Spain with visa-free access to 190 destinations.
You should always have your passport with you when going out. In Japan, it is not uncommon for the police to ask a local or a foreigner for identification anytime, anywhere.
Legal Drinking Age in Japan: 20The legal drinking age in Japan is 20. While this age differs from country by country, as long as you're over 20 years of age, you're free to drink in Japan. (Just be sure to bring your passport with you for ID.)