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Japan
100V • 50/60Hz • Asia
Voltage
100V
Frequency
50/60Hz
Plug Types
A, B
Driving Side
Left
Capital
Tokyo
Currency
JPY
Electrical System Overview
Japan uses Type A and B plugs at only 100V—the world's lowest voltage. The country also has two frequencies: 50Hz in eastern Japan (Tokyo) and 60Hz in western Japan (Osaka). Most modern devices handle this, but some may run slightly slower. Japanese outlets often lack grounding.
Plug Types Used in Japan
A
Type A Primary
100-127V
50/60Hz
15A
Ungrounded
Pins: 2 flat parallel pins
B
Type B Primary
100-127V
50/60Hz
15A
Grounded
Pins: 2 flat parallel pins + grounding pin
Travel Information
Adapter Recommendations
Type A adapter works. Voltage is only 100V - most devices work but may be slightly affected.
Travel Tips
Japan uses Type A and B plugs at 100V. Frequency varies: 50Hz in east, 60Hz in west.
Safety Notes
Lowest voltage of any country. Two frequencies: eastern Japan (Tokyo) 50Hz, western Japan (Osaka) 60Hz.
Languages
Japanese
Calling Code
+81
Timezone
Asia/Tokyo
Other Countries Using Type A
Need More Information?
Check our safety guide and travel tips for complete preparation.
Safety Guide Travel Guide