TravelReady Guide

Travel comparison

South Korea vs Japan

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

Quick answer

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

Detail South Korea Japan
Power plug Type C/F Type A/B
Voltage 220V 100V
Frequency 60Hz 50/60Hz
Emergency (general) 112 (police) / 119 (fire & ambulance) 110 (police) / 119 (fire & ambulance)
Police 112 110
Ambulance 119 119
Tap water Generally safe Generally safe
Driving side Right Left
Currency South Korean Won (KRW, ₩) Japanese Yen (JPY, ¥)
Dialing code +82 +81
Time zone UTC+9 (KST) UTC+9 (JST)
Best season 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. 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.

Full brief

South Korea travel essentials

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

Full brief

Japan travel essentials

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

Check exactly what adapter you need →