How Fast is Japan's Internet Speed and Can eSIM Provide Stable Connectivity?

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

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 Japan

How to Set Up Your eSIM

Before Departure

  1. Check if your device supports eSIM.
  2. Purchase an eSIM plan.
  3. Scan the QR code or download the setup file.

After Arriving in Japan

  1. Activate the eSIM.
  2. 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!

About Travel Mobile

If you're learning about Travel Mobile for the first time through this article, here's a quick introduction. Travel Mobile is an eSIM service provided by a small company.

We are not well-known and some people may feel that we are an unreliable service. But the eSIMs we offer are the same as the major services.

If you're looking for an eSIM for reliable communication in Japan, why not give our eSIM a try?
eSIM Japan

Best eSIM Japan Plans

Select your data plans to enjoy 4G LTE by Local Price

30GB/8 days

Data 30GB
Period 8 days
Networkdocomo
Calls & SMS No

¥3200

Purchase
Popular

50GB/16 days

Data 50GB
Period 16 days
Networkdocomo
Calls & SMS No

¥3800

Purchase

50GB/31 days

Data 50GB
Period 31 days
Networkdocomo
Calls & SMS No

¥4900

Purchase

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