2021

ja

WikiRank.net
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2021

Quality:

2021 - 2021 is a natural number between 2020 and 2022. Article “2021” in Japanese Wikipedia has 5.7 points for quality (as of July 1, 2025). The article contains 1 references and 4 sections.

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

Since the creation of article “2021”, its content was written by 10 registered users of Japanese Wikipedia and edited by 13 registered Wikipedia users in all languages.

The article is cited 103 times in Japanese Wikipedia and cited 109 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #12037 in January 2019
  • Global: #478582 in September 2021

The highest popularity rank from 2008:

  • Local (Japanese): #26692 in December 2020
  • Global: #327576 in January 2021

There are 3 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)
2021
5.6597
2Italian (it)
2021 (numero)
1.9427
3Urdu (ur)
2021 (عدد)
1.4954
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 "2021" in all the time
#LanguagePopularity awardRelative popularity
1Japanese (ja)
2021
44 430
2Urdu (ur)
2021 (عدد)
233
3Italian (it)
2021 (numero)
50
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 "2021" in June 2025
#LanguagePopularity awardRelative popularity
1Japanese (ja)
2021
84
2Italian (it)
2021 (numero)
6
3Urdu (ur)
2021 (عدد)
4
More...

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

The highest AI

Language versions of the article "2021" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1Japanese (ja)
2021
10
2Urdu (ur)
2021 (عدد)
2
3Italian (it)
2021 (numero)
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 "2021" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Italian (it)
2021 (numero)
0
2Japanese (ja)
2021
0
3Urdu (ur)
2021 (عدد)
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 "2021" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
2021
103
2Urdu (ur)
2021 (عدد)
4
3Italian (it)
2021 (numero)
2
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
itItalian
2021 (numero)
jaJapanese
2021
urUrdu
2021 (عدد)

Popularity rank trends

Best Rank Japanese:
#26692
12.2020
Global:
#327576
01.2021

AI rank trends

Best Rank Japanese:
#12037
01.2019
Global:
#478582
09.2021

Languages comparison

Important global interconnections (July 2024 – June 2025)

Cumulative results of quality and popularity of the Wikipedia article

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

ja: 2021

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 Japanese Wikipedia the most popular articles on that day were: 髙木美帆, アリサ・リュウ, 中井亜美, 三浦璃来, 髙木菜那, 高橋成美, M!LK, HERO (2015年の映画), 坂本花織, 木原龍一.

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