How Fast is Japan's Internet Speed and Can eSIM Provide Stable Connectivity?
Updated : 2025-02-04 12:56:54
Having a reliable internet connection is essential for a smooth trip to Japan. eSIM is a convenient service that does not require a physical SIM card and can be set up easily online. Many travelers to Japan choose to buy an eSIM. This article explains in detail whether the communication speed is sufficient and how much data you need when using an eSIM in Japan.
Travel Mobile offers eSIMs that work in Japan
Our eSIMs use Japan’s largest network, **docomo**, and provide large data capacity. If you are traveling to Japan, consider using Travel Mobile’s eSIM.eSIM Japan
About Japan’s Mobile Network
Current Internet Speeds in Japan
According to the latest Speedtest Global Index, Japan’s mobile internet speed is 53.54 Mbps, ranking 58th in the world. This speed is moderate compared to other countries but is more than enough for regular use.
What You Can Do at Japan’s Internet Speeds
- Watch 4K videos
- Make high-quality video calls
- Upload photos and videos to social media
- Use navigation apps like Google Maps
Speed Comparison with Other Countries
- South Korea: 149.80 Mbps (Rank 6)
- China: 147.14 Mbps (Rank 8)
- Singapore: 129.13 Mbps (Rank 15)
- Taiwan: 97.23 Mbps (Rank 27)
- Hong Kong: 67.41 Mbps (Rank 45)
Comfort Level Based on Internet Speed
Speed (Mbps)
Available Services & Quality
Comfort Level
1–3 Mbps
Standard (SD) video, music streaming, browsing SNS
Good
5–10 Mbps
HD (720p) video, low–medium quality video calls
Good
10–20 Mbps
Full HD (1080p) video, high-quality video calls
Good
20–50 Mbps
4K video, group high-quality video calls
Good
50+ Mbps
8K video, large online events, multiple devices
Excellent
| Speed (Mbps) | Available Services & Quality | Comfort Level |
|---|---|---|
| 1–3 Mbps | Standard (SD) video, music streaming, browsing SNS | Good |
| 5–10 Mbps | HD (720p) video, low–medium quality video calls | Good |
| 10–20 Mbps | Full HD (1080p) video, high-quality video calls | Good |
| 20–50 Mbps | 4K video, group high-quality video calls | Good |
| 50+ Mbps | 8K video, large online events, multiple devices | Excellent |
With Japan’s speed of 53.54 Mbps, you can watch 4K videos and make high-quality video calls without issues.
How Much Data Do You Need?
1GB per day is usually enough for travelers.
For more details, check this link:
How Much Data Do You Need for a Japan Trip?
A plan with 1GB per day allows for comfortable internet use. Below is an estimate of how much data different activities use:
| Activity | Data Usage |
|---|---|
| Google Maps (4 hrs) | ~200MB |
| Posting 10 photos on SNS | ~100MB |
| Watching Instagram Stories (1 hr) | ~120MB |
| YouTube travel videos (30 min) | ~360MB |
| Video calling on LINE (30 min) | ~100MB |
| Restaurant search with maps (2 hrs) | ~100MB |
| Total | ~980MB |
With 1GB per day, most travelers can use it with peace of mind. By utilizing hotel Wi-Fi, you can save on data usage.
How to Choose the Best eSIM Plan
- Match the plan to your travel period.
- Choose at least 1GB of data per day.
- Ensure stable connections in major cities.
- Compare prices.
Travel Mobile offers eSIMs that work in Japan
We use docomo, Japan's largest network, and provide large-capacity plans (30GB, 50GB, and more). You can also add extra data if needed. eSIM JapanHow to Set Up Your eSIM
Before Departure
- Check if your device supports eSIM.
- Purchase an eSIM plan.
- Scan the QR code or download the setup file.
After Arriving in Japan
- Activate the eSIM.
- Check the APN settings.
Japan’s mobile internet offers practical speeds for travelers. If you have at least 1GB of data per day, you can use travel apps, upload photos to SNS, and stay connected without problems. Using an eSIM allows you to connect to the internet immediately upon arrival, making your trip more convenient and stress-free. Preparing your eSIM before traveling ensures a smooth and enjoyable experience in Japan!