E721 series

en

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E721 series

Quality:

E721 series - Japanese electric multiple unit train type. Article “E721 series” in English Wikipedia has 74.6 points for quality (as of July 1, 2025). The article contains 45 references and 18 sections.

This article has the best quality in Japanese Wikipedia. Also, this article is the most popular in that (English) language version.

Since the creation of article “E721 series”, its content was written by 23 registered users of English Wikipedia and edited by 256 registered Wikipedia users in all languages.

The article is cited 103 times in English Wikipedia and cited 736 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #75303 in June 2019
  • Global: #42412 in July 2018

The highest popularity rank from 2008:

  • Local (English): #981335 in March 2011
  • Global: #90754 in March 2011

There are 5 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Japanese (ja)
JR東日本E721系電車
86.3142
2English (en)
E721 series
74.6141
3Korean (ko)
동일본 여객철도 E721계 전동차
54.9493
4Chinese (zh)
JR東日本E721系電力動車組
44.1492
5French (fr)
JR East série E721
22.0562
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "E721 series" in all the time
#LanguagePopularity awardRelative popularity
1Japanese (ja)
JR東日本E721系電車
1 539 299
2English (en)
E721 series
60 357
3Chinese (zh)
JR東日本E721系電力動車組
37 980
4Korean (ko)
동일본 여객철도 E721계 전동차
3 672
5French (fr)
JR East série E721
125
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "E721 series" in June 2025
#LanguagePopularity awardRelative popularity
1Japanese (ja)
JR東日本E721系電車
7 832
2English (en)
E721 series
523
3Chinese (zh)
JR東日本E721系電力動車組
337
4Korean (ko)
동일본 여객철도 E721계 전동차
16
5French (fr)
JR East série E721
15
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "E721 series" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Japanese (ja)
JR東日本E721系電車
202
2Chinese (zh)
JR東日本E721系電力動車組
25
3English (en)
E721 series
23
4Korean (ko)
동일본 여객철도 E721계 전동차
5
5French (fr)
JR East série E721
1
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "E721 series" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Korean (ko)
동일본 여객철도 E721계 전동차
1
2English (en)
E721 series
0
3French (fr)
JR East série E721
0
4Japanese (ja)
JR東日本E721系電車
0
5Chinese (zh)
JR東日本E721系電力動車組
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "E721 series" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
JR東日本E721系電車
393
2Chinese (zh)
JR東日本E721系電力動車組
118
3English (en)
E721 series
103
4French (fr)
JR East série E721
63
5Korean (ko)
동일본 여객철도 E721계 전동차
59
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
E721 series
frFrench
JR East série E721
jaJapanese
JR東日本E721系電車
koKorean
동일본 여객철도 E721계 전동차
zhChinese
JR東日本E721系電力動車組

Popularity rank trends

Best Rank English:
#981335
03.2011
Global:
#90754
03.2011

AI rank trends

Best Rank English:
#75303
06.2019
Global:
#42412
07.2018

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on E721 series from Wikipedia articles about AbukumaExpress, Tōhoku Main Line, Senzan Line, Wikipedia article and 701 series. Whereas reading the article about E721 series people most often go to Wikipedia articles on 719 series, 701 series, AbukumaExpress, Accident History Exhibition Hall and Abukuma Express 8100 series.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 21 February 2026

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In English Wikipedia the most popular articles on that day were: Eric Dane, Alysa Liu, Rebecca Gayheart, Jeffrey Epstein, 2026 Winter Olympics, Eileen Gu, John F. Kennedy Jr., Carolyn Bessette Kennedy, Deaths in 2026, Johannes Høsflot Klæbo.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information