Best SIM Cards & eSIMs in Japan
- Average cost
- ¥3,000–6,000 for 15-30 day unlimited data SIM
- Data speeds
- 4G/5G: 50-300 Mbps download in cities. Rural coverage is excellent.
- eSIM available
- Yes
Overview
Japan has excellent 4G/5G coverage nationwide. Tourist SIM cards are widely available at airports and major electronics stores. eSIM is fully supported.
Top providers
IIJmio, Docomo Tourist SIM, b-mobile, Airalo eSIM — 15-30 days unlimited from ¥3,000-6,000. Available at Narita/Haneda airports.
Where to buy
Airport convenience stores (7-Eleven, Lawson), Yodobashi/Bic Camera electronics stores, or pre-order eSIM online (Airalo).