Japan has one of the fastest and most reliable internet infrastructures in the world. High-speed fiber internet is widely available, and mobile networks are extremely advanced.
But how much does internet cost in Japan?
In this guide, we explain the average internet cost in Japan, including home WiFi, fiber internet, and mobile phone plans.
Exchange Rate Reference
For international readers:
1 USD ≈ 150 JPY
Quick Answer
The average internet cost in Japan is roughly:
¥4,000 – ¥6,000 per month ($27 – $40 USD)
Mobile phone plans typically cost:
¥2,000 – ¥5,000 per month ($13 – $33 USD)
Home Internet Cost in Japan (Fiber Internet)
Most households in Japan use fiber internet (光回線 / Hikari Internet).
Typical monthly prices:
| Internet Type | Cost (JPY) | Cost (USD) |
|---|---|---|
| Fiber Internet | ¥4,000 – ¥6,000 | $27 – $40 |
| High-speed plans | ¥5,000 – ¥7,000 | $33 – $47 |
Fiber internet in Japan is extremely fast, often providing speeds of 1 Gbps or higher.
Major providers include:
- NTT Hikari
- SoftBank Hikari
- au Hikari
Mobile Phone Plan Cost in Japan
Mobile plans in Japan became much cheaper after government reforms in recent years.
Typical monthly prices:
| Plan Type | Cost (JPY) | Cost (USD) |
|---|---|---|
| Budget SIM | ¥1,500 – ¥3,000 | $10 – $20 |
| Standard smartphone plan | ¥3,000 – ¥5,000 | $20 – $33 |
| Unlimited data plan | ¥5,000 – ¥7,000 | $33 – $47 |
Popular mobile carriers:
- SoftBank
- au
- NTT Docomo
- Rakuten Mobile
Pocket WiFi Cost in Japan
Many travelers and short-term residents use Pocket WiFi devices.
Typical monthly prices:
| Device Type | Cost (JPY) | Cost (USD) |
|---|---|---|
| Pocket WiFi | ¥3,000 – ¥5,000 | $20 – $33 |
Pocket WiFi is convenient for travelers because it allows internet access anywhere.
Internet Cost vs Other Living Expenses
Internet is a relatively small part of living expenses in Japan.
Typical monthly costs for a single person:
| Expense | Cost (JPY) | Cost (USD) |
|---|---|---|
| Rent | ¥50,000 – ¥80,000 | $330 – $530 |
| Food | ¥40,000 – ¥60,000 | $270 – $400 |
| Transportation | ¥10,000 – ¥15,000 | $70 – $100 |
| Internet | ¥4,000 – ¥6,000 | $27 – $40 |
Related guides:
Is Internet Expensive in Japan?
Compared with many countries, internet in Japan is relatively affordable and extremely fast.
For example:
| Country | Average Internet Cost |
|---|---|
| Japan | $27 – $40 |
| United States | $60 – $80 |
| United Kingdom | $40 – $60 |
Japan offers very high internet speeds at lower prices than many Western countries.
Conclusion
Internet access in Japan is fast, reliable, and affordable.
Typical monthly internet costs:
¥4,000 – ¥6,000 ($27 – $40 USD)
Mobile plans usually cost:
¥2,000 – ¥5,000 ($13 – $33 USD)
This makes Japan one of the best countries in the world for fast and affordable internet access.

