X21

ja

WikiRank.net
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X21

Quality:

X21 - Japanese girl group. Article “X21” in Japanese Wikipedia has 24.5 points for quality (as of July 1, 2025). The article contains 18 references and 20 sections.

This article has the best quality in Chinese Wikipedia. However, this article is the most popular in Japanese version.

In June 2025 the article “X21” was edited by 1 authors in Japanese Wikipedia and written by 2 authors in all languages.

Since the creation of article “X21”, its content was written by 101 registered users of Japanese Wikipedia and edited by 141 registered Wikipedia users in all languages.

The article is cited 322 times in Japanese Wikipedia and cited 397 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #1159 in July 2014
  • Global: #78561 in July 2014

The highest popularity rank from 2008:

  • Local (Japanese): #2909 in February 2017
  • Global: #68389 in February 2017

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
1Chinese (zh)
X21
56.4943
2English (en)
X21 (group)
30.1847
3Japanese (ja)
X21
24.4896
4Indonesian (id)
X21
21.2916
5Korean (ko)
X21
20.2625
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 "X21" in all the time
#LanguagePopularity awardRelative popularity
1Japanese (ja)
X21
776 883
2English (en)
X21 (group)
55 619
3Chinese (zh)
X21
42 207
4Korean (ko)
X21
4 239
5Indonesian (id)
X21
2 642
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 "X21" in June 2025
#LanguagePopularity awardRelative popularity
1Japanese (ja)
X21
4 168
2English (en)
X21 (group)
347
3Chinese (zh)
X21
147
4Indonesian (id)
X21
17
5Korean (ko)
X21
16
More...

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

The highest AI

Language versions of the article "X21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Japanese (ja)
X21
101
2English (en)
X21 (group)
21
3Chinese (zh)
X21
11
4Korean (ko)
X21
5
5Indonesian (id)
X21
3
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 "X21" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
X21 (group)
1
2Japanese (ja)
X21
1
3Indonesian (id)
X21
0
4Korean (ko)
X21
0
5Chinese (zh)
X21
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 "X21" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
X21
322
2Chinese (zh)
X21
33
3English (en)
X21 (group)
25
4Korean (ko)
X21
13
5Indonesian (id)
X21
4
More...

Scores

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

Quality measures

Interwikis

#LanguageValue
enEnglish
X21 (group)
idIndonesian
X21
jaJapanese
X21
koKorean
X21
zhChinese
X21

Popularity rank trends

Best Rank Japanese:
#2909
02.2017
Global:
#68389
02.2017

AI rank trends

Best Rank Japanese:
#1159
07.2014
Global:
#78561
07.2014

Local popularity rank history

Local AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on X21 from Wikipedia articles about Ichika Osaki, Tōkai Television Broadcasting, Aguri Ōnishi, Miyu Yoshimoto and Hideo Yamaki. Whereas reading the article about X21 people most often go to Wikipedia articles on Miyu Yoshimoto, Manami Igashira, Ichika Osaki, Yurina Kawaguchi and Sakura Komoriya.

Cumulative results of quality and popularity of the Wikipedia article

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

ja: X21
zh: X21
ko: X21
id: X21

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Japanese Wikipedia the most popular articles on that day were: 羽月隆太郎, 塩屋浩三, 大石晃子, 唐橋ユミ, ディアトロフ峠事件, 岩城滉一, 塩屋翼, M!LK, 濱正悟, 森下千里.

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