2021 in science

en

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2021 in science

Quality:

2021 in science - science-related events during the year of 2021. Article “2021 in science” in English Wikipedia has 100 points for quality (as of July 1, 2025). The article contains 839 references and 20 sections.

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

In June 2025 the article “2021 in science” was edited by 1 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article “2021 in science”, its content was written by 113 registered users of English Wikipedia and edited by 178 registered Wikipedia users in all languages.

The article is cited 195 times in English Wikipedia and cited 2559 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #2102 in December 2021
  • Global: #8329 in December 2021

The highest popularity rank from 2008:

  • Local (English): #51372 in December 2021
  • Global: #87190 in December 2021

There are 12 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
1English (en)
2021 in science
100
2Romanian (ro)
2021 în știință
93.7838
3Ukrainian (uk)
2021 у науці
57.8869
4Japanese (ja)
2021年の科学
55.0245
5Hebrew (he)
2021 במדע
37.9008
6Russian (ru)
2021 год в науке
35.3269
7Norwegian (no)
Vitenskapsåret 2021
33.6824
8Hungarian (hu)
2021 a tudományban
26.6738
9French (fr)
2021 en science
25.4174
10Swedish (sv)
Vetenskapsåret 2021
18.2036
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 science" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
2021 in science
245 048
2Russian (ru)
2021 год в науке
13 446
3French (fr)
2021 en science
5 756
4Romanian (ro)
2021 în știință
5 572
5Japanese (ja)
2021年の科学
2 331
6Ukrainian (uk)
2021 у науці
2 145
7Chinese (zh)
2021年科技
1 693
8Belarusian (be)
2021 год у гісторыі навукі
909
9Swedish (sv)
Vetenskapsåret 2021
887
10Norwegian (no)
Vitenskapsåret 2021
408
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 science" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
2021 in science
1 206
2Russian (ru)
2021 год в науке
46
3Chinese (zh)
2021年科技
25
4French (fr)
2021 en science
23
5Japanese (ja)
2021年の科学
18
6Romanian (ro)
2021 în știință
11
7Hungarian (hu)
2021 a tudományban
6
8Norwegian (no)
Vitenskapsåret 2021
6
9Belarusian (be)
2021 год у гісторыі навукі
4
10Hebrew (he)
2021 במדע
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 in science" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
2021 in science
113
2French (fr)
2021 en science
15
3Russian (ru)
2021 год в науке
13
4Japanese (ja)
2021年の科学
10
5Hebrew (he)
2021 במדע
6
6Ukrainian (uk)
2021 у науці
6
7Swedish (sv)
Vetenskapsåret 2021
5
8Belarusian (be)
2021 год у гісторыі навукі
3
9Romanian (ro)
2021 în știință
3
10Chinese (zh)
2021年科技
2
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 in science" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
2021 in science
1
2Japanese (ja)
2021年の科学
1
3Belarusian (be)
2021 год у гісторыі навукі
0
4French (fr)
2021 en science
0
5Hebrew (he)
2021 במדע
0
6Hungarian (hu)
2021 a tudományban
0
7Norwegian (no)
Vitenskapsåret 2021
0
8Romanian (ro)
2021 în știință
0
9Russian (ru)
2021 год в науке
0
10Swedish (sv)
Vetenskapsåret 2021
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 in science" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1French (fr)
2021 en science
897
2Russian (ru)
2021 год в науке
795
3Norwegian (no)
Vitenskapsåret 2021
515
4English (en)
2021 in science
195
5Japanese (ja)
2021年の科学
32
6Hungarian (hu)
2021 a tudományban
27
7Hebrew (he)
2021 במדע
26
8Swedish (sv)
Vetenskapsåret 2021
22
9Ukrainian (uk)
2021 у науці
18
10Chinese (zh)
2021年科技
18
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
beBelarusian
2021 год у гісторыі навукі
enEnglish
2021 in science
frFrench
2021 en science
heHebrew
2021 במדע
huHungarian
2021 a tudományban
jaJapanese
2021年の科学
noNorwegian
Vitenskapsåret 2021
roRomanian
2021 în știință
ruRussian
2021 год в науке
svSwedish
Vetenskapsåret 2021
ukUkrainian
2021 у науці
zhChinese
2021年科技

Popularity rank trends

Best Rank English:
#51372
12.2021
Global:
#87190
12.2021

AI rank trends

Best Rank English:
#2102
12.2021
Global:
#8329
12.2021

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on 2021 in science from Wikipedia articles about 2021, 2020 in science, 2024 in science, 2022 in science and 2025 in science. Whereas reading the article about 2021 in science people most often go to Wikipedia articles on January–March 2021 in science, 2022 in science, 2024 in science, 2020 in science and 2019 in science.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 15 February 2026

On 15 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Wuthering Heights, 2026 Winter Olympics, Epstein files, Ilia Malinin, Wuthering Heights, Ghislaine Maxwell, Lucas Pinheiro Braathen, 2026 Winter Olympics medal table, Valentine's Day.

In English Wikipedia the most popular articles on that day were: Jeffrey Epstein, Wuthering Heights, Wuthering Heights (2026 film), 2026 Winter Olympics, Lucas Pinheiro Braathen, Ice hockey at the 2026 Winter Olympics – Men's tournament, Epstein files, John F. Kennedy Jr., Anthony Kim, James Van Der Beek.

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