Japan

Mobile Network Experience Report
October 2020

Opensignal is the independent global standard for analyzing consumer mobile experience. Our industry reports are the definitive guide to understanding the true experience consumers receive on wireless networks.

Author
Ian Fogg VP Analysis

Key findings

Rakuten wins the Upload Speed Experience award in its first Opensignal report

Earlier in 2020, Rakuten launched its own network, and as a result this is the first time we have included Rakuten in an Opensignal Japan Mobile Network Experience report. But in its rookie report, Rakuten leads the established three operators as our Rakuten users saw 11.8 Mbps upload speeds compared with 9.9 Mbps for SoftBank, 9.5 Mbps for DoCoMo and 8.3 Mbps for au. It's unusual for a new operator to win an Opensignal award at a first attempt.

NTT DoCoMo holds onto the Download Speed Experience award

Our users saw speeds of 52.3 Mbps using NTT DoCoMo ahead of second placed au with 48.8 Mbps. As in our last report in April, DoCoMo wins the Opensignal Download Speed Award for Japan. Third placed SoftBank was slightly behind with a score of 42.7 Mbps while newly launched Rakuten lagged with 21.6 Mbps.

SoftBank users enjoy the strongest Video Experience

With a score of 79.1 for Video Experience, SoftBank wins the Opensignal award again ahead of DoCoMo and au. The gap between SoftBank and its immediate rivals has narrowed since our last report. Back then, in April, 3.4 points separated the three operators, now just 3.1 points separates the Video Experience of SoftBank, DoCoMo and au. However, Rakuten is in last place with a score of 64.9, or 11 points behind the third placed operator.

SoftBank wins Games Experience and Voice App Experience to make a clean sweep of Opensignal's experiential metrics

For the first time, Opensignal has compared the multiplayer mobile Games Experience in Japan, and SoftBank adds this award to its other experiential wins for Video Experience and Voice App Experience. However, competition is tight and there are only a few points separating users' experience for gaming and voice app on each of the four operators.

Japan's operators have near perfect 4G Availability scores

The time Japan's 4G users spend connected to 4G technology, or 4G Availability, is almost 100%. The winner of Opensignal's 4G Availability award, au, scores an outstanding 99.3%. Even Japan's fourth placed operator scores a still impressive 97.8%. With 5G now live in Japan, 4G continues to be important because current 5G services using non-standalone access technology continue to require a 4G connection to be available in order for a 5G smartphone to connect to a 5G signal.

Introduction

In our latest look at Japan's mobile network experience we compare new network operator Rakuten with its long established rivals for the first time. Rakuten has large aspirations to use the latest network technologies, new vendors and innovation to deliver mobile services in a more efficient way. In this report, we see how the real-world experience of Rakuten's users compares with the goals of the company.

Also, for the first time, we reveal Opensignal's first ever winner of the Games Experience award in Japan. Given the enormous and long standing popularity of mobile games for the last two decades here — much longer than in most other countries globally — it is striking to see the high quality of Japan's mobile games experience.

In our recent Global Mobile Network Experience Awards 2020 report Japan's operators rated highly:

  • SoftBank was the Global Winner 2020 for Voice App Experience while DoCoMo, Rakuten and au placed as Global Leaders.
  • au won the 4G Availability global award. SoftBank and Rakuten were Global Leaders.
  • DoCoMo was a Global Leader in Download Speed Experience. This is impressive given that DoCoMo only launched 5G part way through the test period, while some operators in other countries had more mature 5G services that in some cases had been live since 2019.

However, for Japan's mobile users, it's useful to compare the experience across Japan's operators that offer service inside Japan.

Opensignal Awards Table

Mobile Experience Awards, Japan
October 2020, Japan Report
Video Experience
Games Experience
Voice App Experience
Download Speed Experience
Upload Speed Experience
4G Availability
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Mobile Experience Awards Winners
October 2020, Japan
Video Experience
Games Experience
Voice App Experience
Download Speed Experience
Upload Speed Experience
4G Availability
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Overview

Click on metric labels below for a quick preview
Video Experience
in 0-100 points
NTT DoCoMo
77.2
SoftBank
79.1
au
75.9
Rakuten
64.9
0 10 20 30 40 50 60 70 80 90 100
The brackets represent confidence intervals.
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National Analysis

Video Experience

SoftBank again wins the Video Experience award with a score of 79.1 on our 100 point scale, which puts it into the Excellent category. This means users will see a very consistent experience across video streaming providers and resolutions tested, with fast loading times and almost non-existent stalling. NTT DoCoMo and au also rated as Excellent with scores of 77.2 and 75.9 respectively

Rakuten users' Video Experience was in the Good category with a score of 64.9. This means users see a less consistent experience, even from the same video streaming provider and particularly for higher resolutions, with noticeably slower loading times and stalling not being uncommon. As a newly launched operator, it is critical to see how the mobile network experience of Rakuten's users changes as the company continues to expand its network. As it grows the company will add both network capacity and new customers, which will together affect the resulting mobile network experience of Rakuten's users.

Video Experience
in 0-100 points
NTT DoCoMo
77.2
SoftBank
79.1
au
75.9
Rakuten
64.9
0 10 20 30 40 50 60 70 80 90 100
The brackets represent confidence intervals.
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Games Experience

This is the first time we have analyzed the Games Experience of each of Japan's operators. Opensignal's Games Experience metric is a measure of how mobile users experience real-time multiplayer mobile gaming on an operator's network. Measured on a scale of 0-100, it analyzes how the multiplayer mobile Games Experience is affected by mobile network conditions including latency, packet loss and jitter to determine the impact on gameplay and the overall multiplayer Games Experience.

SoftBank wins the first Opensignal Games Experience award for Japan with 84.9 points on our 100 point scale. However, competition for this category is fierce and just a few points separate the four operators, with second placed DoCoMo scoring 84.6, au on 83.3 and new player Rakuten's score of 81.8 is only just behind the established operators. As a newly launched network, Rakuten's score is impressively close to the winner even though Rakuten gamers are in fourth place for Games Experience.

Games Experience quantifies the experience when playing real-time multiplayer mobile games on mobile devices connected to servers located around the world. The approach is built on several years of research quantifying the relationship between technical network parameters and the gaming experience as reported by real mobile users. These parameters include latency (round trip time), jitter (variability of latency) and packet loss (the proportion of data packets that never reach their destination). Additionally, it considers multiple genres of multiplayer mobile games to measure the average sensitivity to network conditions. The games tested include some of the popular real-time multiplayer mobile games across battle royale, sport and massively multiple online battle arena (MOBA) games. Examples of games in these genres include Arena of Valor, Fortnite, Free Fire, Knives Out and Pro Evolution Soccer.

Games Experience
in 0-100 points
NTT DoCoMo
84.6
SoftBank
84.9
au
83.3
Rakuten
81.8
0 10 20 30 40 50 60 70 80 90 100
The brackets represent confidence intervals.
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Voice App Experience

In another close race, SoftBank wins its third Opensignal award in this report, adding Voice App Experience to its Games Experience and Video Experience awards. Our users on all four operators observed a Good rating for Voice App Experience with scores varying by under 1 point on our 100 point scale. Again, Rakuten has done well to come this close to the three established operators in another award category.

Opensignal's Voice App Experience measures the quality of experience for over-the-top (OTT) voice services — for example mobile voice apps such as LINE, WhatsApp, Skype, Facebook Messenger etc. — using a model derived from the International Telecommunication Union (ITU)-based approach for quantifying overall voice call quality and a series of calibrated technical parameters. This model characterizes the exact relationship between the technical measurements and perceived call quality.

Voice App Experience
in 0-100 points
NTT DoCoMo
82.1
SoftBank
82.9
au
82.0
Rakuten
82.0
0 10 20 30 40 50 60 70 80 90 100
The brackets represent confidence intervals.
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Download Speed Experience

NTT DoCoMo users saw the fastest Download Speed Experience with a score of 52.3 Mbps, slightly ahead of second placed au's score of 48.8 Mbps. SoftBank placed third with a slightly slower 42.7 Mbps but Rakuten users saw a noticeably slower download speed than the three established operators with a score of 21.6 Mbps.

The results of the Download Speed and Video Experience categories highlight why it is important to measure the mobile network experience in different ways. It's not possible to estimate the Video or Games Experience from measures of speed because of the varied characteristics of video and gaming traffic and the way operators manage different types of data traffic on their network. For example, while DoCoMo won the Download Speed Experience award, it placed second in Video Experience. Similarly, the winner of Video Experience, SoftBank, was placed just third for Download Speed Experience.

Download Speed Experience
in Mbps
NTT DoCoMo
52.3
SoftBank
42.7
au
48.8
Rakuten
21.6
0 13.75 27.5 41.25 55
The brackets represent confidence intervals.
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Upload Speed Experience

New operators normally take time to solve technical network teething issues, expand the reach of their network, and add sufficient capacity to offer their users a competitive network experience. Because of this, most new operators Opensignal sees globally struggle to match existing operators on measures of mobile network experience and so resort to pricing their mobile services lower to entice users to switch to them.

However, Rakuten has broken the mold, by winning a major Opensignal award at their first attempt. Rakuten users saw the fastest average upload speeds, winning the Opensignal Upload Experience award with 11.8 Mbps ahead of second placed SoftBank's score of 9.9 Mbps. NTT DoCoMo followed in third place with 9.5 Mbps and au trailed with 8.3 Mbps.

We have seen that Rakuten users' experience varies based on whether they connect to Rakuten's own radio network, or whether they are connecting in other parts of Japan where Rakuten's network is not yet available but users roam onto partner KDDI. In our previous look at Rakuten, we found the Upload Experience was more than twice as fast when using Rakuten's own network compared with roaming. If this difference persists, then as Rakuten expands the reach of their network, and its users spend more time on-net, the overall combined upload speed of Rakuten's users will increase further.

Upload Speed Experience
in Mbps
NTT DoCoMo
9.5
SoftBank
9.9
au
8.3
Rakuten
11.8
0 3.75 7.5 11.25 15
The brackets represent confidence intervals.
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4G Availability

There is little to say about the difference in 4G Availability between Japan's operators because it is universally good. Our measure of the time users spend connected to 4G differs by just 1.5 percentage points across the four operators. Winner au has a near perfect score of 99.3%. Again, Rakuten users' mobile network experience is comparable to the existing operators on 4G Availability.

While 5G has launched in Japan, the operators are using the initial version of the 5G standard and non-standalone access (NSA). This means that for a 5G smartphone user to connect to a 5G network they must also be connected to a 4G connection at the same time. So, for now, Japan's wide 4G Availability is an essential and valuable foundation for 5G services as well as supporting 4G users. When Japan's operators launch 5G services with standalone access (SA), 5G users will no longer need a 4G signal to connect to 5G. However, very few operators have launched SA to date.

4G Availability
% of time
NTT DoCoMo
98.8
SoftBank
97.8
au
99.3
Rakuten
98.7
0 25 50 75 100
The brackets represent confidence intervals.
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Japan's operators use different mobile technology generations. For the time period covered by this report, Rakuten offered an exclusively 4G service but has now recently launched 5G. The other three operators offered a mixture of technology generations, including both 4G and 5G, and in some cases also 3G.

Regional Analysis

Opensignal has expanded the number of cities included in this Japan Mobile Network Experience report to cover 15 cities across the country. We see differences from the national results in many locations, and wide variation in the experience of Rakuten's users in particular, in many cities users see a network experience close to the existing operators.

In Tokyo, au wins the Download Speed Experience award with 57.2 Mbps and national winner DoCoMo is the runner up. It's the same reversal of the national award in Osaka, where again au pips DoCoMo to the award. But Rakuten's Download Speed Experience in Tokyo is much closer to the winner than it is nationally with a score of 35.2 Mbps in Tokyo which is only a few Mbps behind third placed SoftBank score of 46.2 Mbps.

In a number of cities Rakuten's users' experience is noticeably better than in others. In Fukuoka, Hiroshima, Kobe and Sapporo the experience is much weaker. This is likely because Rakuten's 4G network has deployed less wireless capacity in those locations. Opensignal understands that Rakuten's 4G network uses the 1800 MHz band, and the company has deployed different amounts of spectrum in different cities ranging from a substantial 20 Mhz in locations like Tokyo down to just 5 MHz in some areas. In total, Rakuten wins eight city awards outright, and joint wins in a further 23 city awards.

SoftBank either wins or jointly wins every experiential city award — Games, Video or Voice App Experience — except Voice App Experience in Funabashi.

In Kyoto, home of Nintendo, the Games Experience award is won outright by SoftBank, but Download Speed Experience is jointly won by DoCoMo and au, with SoftBank in third place. For tourists looking to share photos or videos of the many world heritage sites, all four operators tie for the Upload Experience Award in Kyoto.

Select any region below to display individual breakdown

Chiba

Video Experience
in Chiba
in 0-100 points
au
75.0
NTT DoCoMo
77.0
Rakuten
65.8
SoftBank
79.2
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Games Experience
in Chiba
in 0-100 points
au
84.8
NTT DoCoMo
85.0
Rakuten
83.2
SoftBank
85.3
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Voice App Experience
in Chiba
in 0-100 points
au
83.4
NTT DoCoMo
83.0
Rakuten
83.0
SoftBank
83.6
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Download Speed Experience
in Chiba
in Mbps
au
49.5
NTT DoCoMo
50.0
Rakuten
28.8
SoftBank
41.9
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Upload Speed Experience
in Chiba
in Mbps
au
7.4
NTT DoCoMo
9.7
Rakuten
13.6
SoftBank
9.5
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4G Availability
in Chiba
in %
au
99.5
NTT DoCoMo
98.7
Rakuten
98.5
SoftBank
97.4
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Fukuoka

Video Experience
in Fukuoka
in 0-100 points
au
77.9
NTT DoCoMo
76.4
Rakuten
56.2
SoftBank
80.0
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Games Experience
in Fukuoka
in 0-100 points
au
84.9
NTT DoCoMo
84.5
Rakuten
83.7
SoftBank
85.0
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Voice App Experience
in Fukuoka
in 0-100 points
au
83.3
NTT DoCoMo
82.4
Rakuten
82.6
SoftBank
83.7
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Download Speed Experience
in Fukuoka
in Mbps
au
53.4
NTT DoCoMo
53.2
Rakuten
11.0
SoftBank
48.2
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Upload Speed Experience
in Fukuoka
in Mbps
au
8.9
NTT DoCoMo
9.9
Rakuten
6.9
SoftBank
11.7
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4G Availability
in Fukuoka
in %
au
99.3
NTT DoCoMo
98.6
Rakuten
99.1
SoftBank
97.7
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Funabashi

Video Experience
in Funabashi
in 0-100 points
au
77.9
NTT DoCoMo
77.7
Rakuten
65.0
SoftBank
75.6
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Games Experience
in Funabashi
in 0-100 points
au
84.6
NTT DoCoMo
85.2
Rakuten
84.6
SoftBank
84.7
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Voice App Experience
in Funabashi
in 0-100 points
au
82.1
NTT DoCoMo
84.0
Rakuten
83.5
SoftBank
81.7
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Download Speed Experience
in Funabashi
in Mbps
au
46.2
NTT DoCoMo
46.9
Rakuten
31.7
SoftBank
32.6
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Upload Speed Experience
in Funabashi
in Mbps
au
7.1
NTT DoCoMo
9.9
Rakuten
15.8
SoftBank
8.4
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4G Availability
in Funabashi
in %
au
99.6
NTT DoCoMo
99.0
Rakuten
99.5
SoftBank
97.4
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Hiroshima

Video Experience
in Hiroshima
in 0-100 points
au
77.8
NTT DoCoMo
77.0
Rakuten
55.1
SoftBank
80.1
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Games Experience
in Hiroshima
in 0-100 points
au
84.7
NTT DoCoMo
84.5
Rakuten
82.6
SoftBank
85.1
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Voice App Experience
in Hiroshima
in 0-100 points
au
82.4
NTT DoCoMo
82.8
Rakuten
82.3
SoftBank
83.9
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Download Speed Experience
in Hiroshima
in Mbps
au
49.3
NTT DoCoMo
55.8
Rakuten
8.1
SoftBank
46.8
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Upload Speed Experience
in Hiroshima
in Mbps
au
10.3
NTT DoCoMo
9.8
Rakuten
6.1
SoftBank
11.0
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4G Availability
in Hiroshima
in %
au
99.3
NTT DoCoMo
99.0
Rakuten
99.5
SoftBank
99.2
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Kawaguchi

Video Experience
in Kawaguchi
in 0-100 points
au
77.2
NTT DoCoMo
78.3
Rakuten
73.3
SoftBank
79.5
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Games Experience
in Kawaguchi
in 0-100 points
au
85.0
NTT DoCoMo
85.1
Rakuten
84.6
SoftBank
85.4
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Voice App Experience
in Kawaguchi
in 0-100 points
au
83.8
NTT DoCoMo
83.3
Rakuten
83.6
SoftBank
84.3
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Download Speed Experience
in Kawaguchi
in Mbps
au
53.6
NTT DoCoMo
50.8
Rakuten
35.6
SoftBank
39.3
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Upload Speed Experience
in Kawaguchi
in Mbps
au
7.6
NTT DoCoMo
10.3
Rakuten
18.4
SoftBank
9.9
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4G Availability
in Kawaguchi
in %
au
99.9
NTT DoCoMo
99.0
Rakuten
99.3
SoftBank
98.8
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Kawasaki

Video Experience
in Kawasaki
in 0-100 points
au
76.2
NTT DoCoMo
76.8
Rakuten
67.9
SoftBank
80.5
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Games Experience
in Kawasaki
in 0-100 points
au
84.6
NTT DoCoMo
85.0
Rakuten
78.7
SoftBank
85.2
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Voice App Experience
in Kawasaki
in 0-100 points
au
82.6
NTT DoCoMo
82.9
Rakuten
80.8
SoftBank
84.0
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Download Speed Experience
in Kawasaki
in Mbps
au
52.9
NTT DoCoMo
52.2
Rakuten
23.9
SoftBank
41.7
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Upload Speed Experience
in Kawasaki
in Mbps
au
7.4
NTT DoCoMo
10.0
Rakuten
12.1
SoftBank
9.9
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4G Availability
in Kawasaki
in %
au
99.6
NTT DoCoMo
99.0
Rakuten
98.7
SoftBank
97.8
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Kobe

Video Experience
in Kobe
in 0-100 points
au
75.1
NTT DoCoMo
77.0
Rakuten
64.6
SoftBank
79.5
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Games Experience
in Kobe
in 0-100 points
au
83.9
NTT DoCoMo
83.8
Rakuten
80.5
SoftBank
84.6
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Voice App Experience
in Kobe
in 0-100 points
au
82.9
NTT DoCoMo
82.4
Rakuten
82.0
SoftBank
82.5
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Download Speed Experience
in Kobe
in Mbps
au
54.4
NTT DoCoMo
53.0
Rakuten
15.8
SoftBank
47.8
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Upload Speed Experience
in Kobe
in Mbps
au
7.6
NTT DoCoMo
10.2
Rakuten
8.0
SoftBank
10.7
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4G Availability
in Kobe
in %
au
99.3
NTT DoCoMo
99.0
Rakuten
99.4
SoftBank
97.3
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Kyoto

Video Experience
in Kyoto
in 0-100 points
au
77.1
NTT DoCoMo
77.1
Rakuten
64.8
SoftBank
80.2
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Games Experience
in Kyoto
in 0-100 points
au
83.8
NTT DoCoMo
84.0
Rakuten
75.0
SoftBank
85.4
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Voice App Experience
in Kyoto
in 0-100 points
au
82.8
NTT DoCoMo
82.4
Rakuten
81.3
SoftBank
84.5
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Download Speed Experience
in Kyoto
in Mbps
au
57.4
NTT DoCoMo
56.5
Rakuten
21.3
SoftBank
43.6
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Upload Speed Experience
in Kyoto
in Mbps
au
8.9
NTT DoCoMo
9.8
Rakuten
10.5
SoftBank
10.0
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4G Availability
in Kyoto
in %
au
99.5
NTT DoCoMo
98.7
Rakuten
99.2
SoftBank
98.5
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Nagoya

Video Experience
in Nagoya
in 0-100 points
au
76.4
NTT DoCoMo
77.9
Rakuten
71.4
SoftBank
81.2
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Games Experience
in Nagoya
in 0-100 points
au
84.7
NTT DoCoMo
84.9
Rakuten
76.4
SoftBank
85.4
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Voice App Experience
in Nagoya
in 0-100 points
au
83.7
NTT DoCoMo
82.8
Rakuten
81.9
SoftBank
84.1
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Download Speed Experience
in Nagoya
in Mbps
au
64.4
NTT DoCoMo
67.9
Rakuten
18.5
SoftBank
53.4
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Upload Speed Experience
in Nagoya
in Mbps
au
8.2
NTT DoCoMo
11.6
Rakuten
11.3
SoftBank
10.9
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4G Availability
in Nagoya
in %
au
99.4
NTT DoCoMo
98.9
Rakuten
98.8
SoftBank
98.0
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Osaka

Video Experience
in Osaka
in 0-100 points
au
77.2
NTT DoCoMo
76.4
Rakuten
73.6
SoftBank
80.0
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Games Experience
in Osaka
in 0-100 points
au
84.6
NTT DoCoMo
84.6
Rakuten
74.6
SoftBank
85.1
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Voice App Experience
in Osaka
in 0-100 points
au
83.2
NTT DoCoMo
82.6
Rakuten
81.3
SoftBank
83.3
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Download Speed Experience
in Osaka
in Mbps
au
62.7
NTT DoCoMo
52.7
Rakuten
29.4
SoftBank
46.4
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Upload Speed Experience
in Osaka
in Mbps
au
8.2
NTT DoCoMo
10.7
Rakuten
17.0
SoftBank
10.7
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4G Availability
in Osaka
in %
au
99.5
NTT DoCoMo
99.0
Rakuten
98.6
SoftBank
97.2
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Saitama

Video Experience
in Saitama
in 0-100 points
au
76.3
NTT DoCoMo
77.2
Rakuten
74.0
SoftBank
81.6
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Games Experience
in Saitama
in 0-100 points
au
84.7
NTT DoCoMo
84.9
Rakuten
81.8
SoftBank
85.4
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Voice App Experience
in Saitama
in 0-100 points
au
83.4
NTT DoCoMo
82.6
Rakuten
82.3
SoftBank
83.9
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Download Speed Experience
in Saitama
in Mbps
au
47.7
NTT DoCoMo
54.6
Rakuten
36.7
SoftBank
45.6
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Upload Speed Experience
in Saitama
in Mbps
au
7.5
NTT DoCoMo
9.9
Rakuten
19.2
SoftBank
9.5
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4G Availability
in Saitama
in %
au
99.6
NTT DoCoMo
99.0
Rakuten
99.1
SoftBank
98.6
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Sakai

Video Experience
in Sakai
in 0-100 points
au
77.6
NTT DoCoMo
78.2
Rakuten
55.2
SoftBank
82.0
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Games Experience
in Sakai
in 0-100 points
au
84.6
NTT DoCoMo
84.7
Rakuten
84.5
SoftBank
85.4
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Voice App Experience
in Sakai
in 0-100 points
au
83.4
NTT DoCoMo
83.0
Rakuten
83.1
SoftBank
84.7
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Download Speed Experience
in Sakai
in Mbps
au
50.2
NTT DoCoMo
50.8
Rakuten
18.2
SoftBank
45.7
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Upload Speed Experience
in Sakai
in Mbps
au
6.9
NTT DoCoMo
10.4
Rakuten
6.8
SoftBank
10.4
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4G Availability
in Sakai
in %
au
99.5
NTT DoCoMo
99.2
Rakuten
98.5
SoftBank
98.8
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Sapporo

Video Experience
in Sapporo
in 0-100 points
au
75.3
NTT DoCoMo
76.4
Rakuten
62.2
SoftBank
80.8
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Games Experience
in Sapporo
in 0-100 points
au
84.8
NTT DoCoMo
84.5
Rakuten
76.9
SoftBank
85.1
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Voice App Experience
in Sapporo
in 0-100 points
au
83.8
NTT DoCoMo
83.2
Rakuten
81.4
SoftBank
83.9
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Download Speed Experience
in Sapporo
in Mbps
au
49.2
NTT DoCoMo
62.3
Rakuten
10.5
SoftBank
55.7
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Upload Speed Experience
in Sapporo
in Mbps
au
9.9
NTT DoCoMo
10.8
Rakuten
7.9
SoftBank
11.3
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4G Availability
in Sapporo
in %
au
99.4
NTT DoCoMo
99.1
Rakuten
99.3
SoftBank
98.7
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Tokyo

Video Experience
in Tokyo
in 0-100 points
au
76.2
NTT DoCoMo
77.6
Rakuten
75.1
SoftBank
79.8
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Games Experience
in Tokyo
in 0-100 points
au
84.5
NTT DoCoMo
84.8
Rakuten
83.8
SoftBank
85.2
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Voice App Experience
in Tokyo
in 0-100 points
au
82.2
NTT DoCoMo
82.2
Rakuten
82.9
SoftBank
83.8
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Download Speed Experience
in Tokyo
in Mbps
au
57.2
NTT DoCoMo
54.3
Rakuten
35.2
SoftBank
46.2
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Upload Speed Experience
in Tokyo
in Mbps
au
7.9
NTT DoCoMo
10.0
Rakuten
21.1
SoftBank
9.9
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4G Availability
in Tokyo
in %
au
99.2
NTT DoCoMo
98.7
Rakuten
98.3
SoftBank
97.6
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Yokohama

Video Experience
in Yokohama
in 0-100 points
au
76.3
NTT DoCoMo
77.0
Rakuten
64.6
SoftBank
79.2
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Games Experience
in Yokohama
in 0-100 points
au
84.5
NTT DoCoMo
84.9
Rakuten
82.3
SoftBank
85.1
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Voice App Experience
in Yokohama
in 0-100 points
au
82.3
NTT DoCoMo
82.6
Rakuten
81.9
SoftBank
83.2
Download Image
Download Speed Experience
in Yokohama
in Mbps
au
53.4
NTT DoCoMo
54.1
Rakuten
24.3
SoftBank
42.4
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Upload Speed Experience
in Yokohama
in Mbps
au
7.3
NTT DoCoMo
9.7
Rakuten
11.7
SoftBank
9.3
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4G Availability
in Yokohama
in %
au
99.4
NTT DoCoMo
98.9
Rakuten
98.6
SoftBank
98.1
Download Image
Learn more

Opensignal measures the real-world experience of consumers on mobile networks in the places they live, work and travel.

We continually adapt our methodology to best represent the true experience of smartphone users. Therefore, comparisons of the results to past reports should be considered indicative only.

For every metric we calculate statistical confidence intervals indicated on our graphs. When confidence intervals overlap, our measured results are too close to declare a winner. In those cases, we show a statistical draw. For this reason, some metrics have multiple winners.

In our bar graphs we represent confidence intervals as boundaries on either sides of graph bars. In our supporting-metric charts we show confidence intervals as +/- numerical values.

More about Methodology

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For every metric we calculate statistical confidence intervals indicated on our graphs. When confidence intervals overlap, our measured results are too close to declare a winner. In those cases, we show a statistical draw. For this reason, some metrics have multiple operator winners.

In our bar graphs we represent confidence intervals as boundaries on either sides of graph bars.

In our supporting-metric charts we show confidence intervals as +/- numerical values.

Why confidence intervals are vital in analyzing mobile network experience

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