How many months of passport validity does Japan require?

Passport valid for the duration of stay and registration on Visit Japan Web. (Minimum recommended validity: 6 months).

What power plug types and voltage are used in Japan?

In Japan (Tokyo), power sockets are Type A & B (flat pins) with 100 V voltage and 50 / 60 Hz frequency.

The official currency is Japanese Yen (JPY, symbol ¥). Tipping custom: No tipping at all (can be considered confusing or impolite).

Calling code: +81. Police: 110, Ambulance: 119, Fire: 119. Tap water safety: 100% safe and potable tap water throughout the country.

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Capital: Tokyo
Official language: Japanese
Currency: Japanese Yen (JPY · ¥)
Passport validity & visa rule: Passport valid for the duration of stay and registration on Visit Japan Web. (Min. 6 months)
Power plugs & electricity: Type A & B (flat pins) · 100 V (50 / 60 Hz)
Emergency numbers: Police: 110 | Ambulance: 119 | Fire: 119
International calling code: +81
Tap water safety: 100% safe and potable tap water throughout the country.
Tipping custom: No tipping at all (can be considered confusing or impolite).
Driving side: Left