eSIM Japan 2025: stay connected from Tokyo to Kyoto
Tokyo, Kyoto, Osaka, Hiroshima, Hokkaido — one Japan eSIM plan covers it all. Japan has some of the best mobile networks in the world, and a local eSIM gives you access at a fraction of roaming costs.
Data recommendations by destination
| City | Usage profile | Rec. (7 days) |
|---|---|---|
| Tokyo | Dense urban, major tourist hub | 4–6 GB |
| Kyoto | Historic temples, moderate tourism | 2–4 GB |
| Osaka | Urban, food & nightlife hub | 3–5 GB |
| Hiroshima | Heritage tourism | 2–3 GB |
| Hokkaido | Nature, ski resorts | 2–4 GB |
| Nara / Nikko | Day trips from city | 1–2 GB |
Frequently asked questions
Which network does BleSIM use in Japan?
BleSIM connects to NTT Docomo, SoftBank, and au — the three major Japanese carriers. Together they cover over 99% of the population including rural areas and tourist sites.
Does eSIM work on the Shinkansen (bullet train)?
Yes. All three major carriers have coverage along Shinkansen routes. You may experience brief signal drops in long tunnels, but connectivity returns quickly.
Is 5G available in Japan for eSIM?
Yes. 5G is deployed in Tokyo, Osaka, Nagoya, Sapporo, and other major cities by all three carriers. Rural areas and national parks are on 4G LTE.
Can I make local calls with a Japan eSIM?
Data-only eSIMs (the most common type for travelers) do not include phone calls. You can use WhatsApp, Line, or FaceTime over data for calls.
How much data for 2 weeks in Japan?
For a classic itinerary (Tokyo, Kyoto, Osaka, day trips), budget 8–12 GB. Heavy users with video calls and regular social media uploads should go for 15–20 GB.
🇯🇵 Travel Japan with BleSIM
Japan eSIM plans: 1 GB to 20 GB on NTT Docomo, SoftBank & au. Activate before you board.
See Japan plans →