Quick answer
Travel eSIM data in Japan costs about $1.08 per GB on a 5GB plan (price rank 54/200, where 1 is cheapest). Networks: NTT docomo, Rakuten Mobile, KDDI/au, SoftBank, with 5G. There are 178 mobile subscriptions per 100 people and 86% of people use the internet.
Travel eSIM data prices
| Cost per GB, 1GB plan | $2.29 |
|---|---|
| Cost per GB, 5GB plan | $1.08 |
| Cost per GB, 10GB plan | $0.94 |
| Median cost per GB (3-20GB plans) | $1.49 |
| Cheapest plan | $2.29 |
| Plans available | 20 |
| Largest plan | 50 GB |
| Rank | 54 of 200 (1 = cheapest) |
Networks · Mobile market
| Operators | NTT docomo, Rakuten Mobile, KDDI/au, SoftBank |
|---|---|
| Best network generation | 5G |
| 5G | Yes |
| Mobile subscriptions per 100 people | 178.4 (2023) |
| Internet users (% of population) | 85.5% (2024) |
Other countries
| Rank | Country | eSIM $/GB (median) |
|---|---|---|
| 50 | Malaysia | $1.40 |
| 51 | Thailand | $1.41 |
| 52 | Indonesia | $1.41 |
| 53 | Macao SAR China | $1.45 |
| 54 | Japan | $1.49 |
| 55 | China | $1.52 |
| 56 | United States | $1.53 |
| 57 | Gibraltar | $1.54 |
| 58 | New Zealand | $1.58 |
Sources
- Slashtel live prices: cheapest retail price across every supplier we buy from, in US dollars, including our fee. Updated: 2026-10-19.
- ITU World Telecommunication/ICT Indicators, via the World Bank (CC BY 4.0). (2023) data.worldbank.org
- Cost per GB uses the cheapest plan of each size; the median uses plans of 3 to 20GB. Top-up value is the most local credit per dollar among plans up to US$10.
Cite this data
Source: Slashtel Telecom Data, https://slashtel.com/data/japan (accessed 2026-10-19).<iframe src="https://slashtel.com/embed/data/japan" width="100%" height="200" style="border:0" loading="lazy" title="Japan mobile data prices"></iframe>
<p>Data: <a href="https://slashtel.com/data/japan">Japan mobile data prices</a></p>Free to embed and reuse (CC BY 4.0) with the link.