TravelReady Guide

Travel comparison

Japan vs South Korea

A side-by-side look at the practical travel essentials for Japan and South Korea — power, safety, money and getting around — so you can plan or choose between them quickly.

Quick answer

Traveling between Japan and South Korea, you will need a plug adapter, and a voltage converter is likely needed for single-voltage appliances.

Detail Japan South Korea
Power plug Type A/B Type C/F
Voltage 100V 220V
Frequency 50/60Hz 60Hz
Emergency (general) 110 (police) / 119 (fire & ambulance) 112 (police) / 119 (fire & ambulance)
Police 110 112
Ambulance 119 119
Tap water Generally safe Generally safe
Driving side Left Right
Currency Japanese Yen (JPY, ¥) South Korean Won (KRW, ₩)
Dialing code +81 +82
Time zone UTC+9 (JST) UTC+9 (KST)
Best season Spring and autumn are the classic seasons, with cherry blossoms from late March to April and foliage in October to November. June is rainy in many regions, and midsummer can be hot and humid. April to May and September to November are the most comfortable seasons, with spring blossoms and autumn foliage. Summer can be hot, humid and rainy, while winter is cold but good for skiing and city food trips.

Full brief

Japan travel essentials

Plugs, emergency numbers, tap water, tipping and more for Japan.

Full brief

South Korea travel essentials

Plugs, emergency numbers, tap water, tipping and more for South Korea.

Check exactly what adapter you need →