R-21

R-21 - Submarine-launched ballistic missile. Article “R-21” in Italian Wikipedia has 7.6 points for quality (as of July 1, 2025). The article contains 1 references and 3 sections.

This article has the best quality in Russian Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “R-21”, its content was written by 26 registered users of Italian Wikipedia and edited by 153 registered Wikipedia users in all languages.

The article is cited 176 times in Italian Wikipedia and cited 965 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #32151 in February 2011
• Global: #70672 in September 2010

The highest popularity rank from 2008:

• Local (Italian): #226274 in May 2008
• Global: #250536 in September 2010

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.

#	Language	Quality grade	Quality score
1	Russian (ru) Р-21		60.3249
2	Uzbek (uz) Р-21		45.2771
3	English (en) R-21 (missile)		41.4894
4	Vietnamese (vi) R-21 (tên lửa)		34.4076
5	German (de) R-21 (Rakete)		25.5844
6	Korean (ko) R-21 (미사일)		13.0911
7	Italian (it) R-21		7.639
8	Ukrainian (uk) Р-21		7.3786
9	Indonesian (id) R-21 (peluru kendali)		5.9134
10	Spanish (es) R-21 (misil)		5.3461

More...

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

The most popular language versions of the article "R-21" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) R-21 (missile)		315 072
2	Russian (ru) Р-21		190 564
3	German (de) R-21 (Rakete)		17 221
4	Italian (it) R-21		12 343
5	Spanish (es) R-21 (misil)		10 087
6	Korean (ko) R-21 (미사일)		8 033
7	French (fr) R-21 (missile)		6 942
8	Polish (pl) R-21 (pocisk)		4 306
9	Indonesian (id) R-21 (peluru kendali)		1 261
10	Vietnamese (vi) R-21 (tên lửa)		1 201

More...

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

The most popular language versions of the article "R-21" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) R-21 (missile)		1 750
2	Russian (ru) Р-21		1 517
3	German (de) R-21 (Rakete)		120
4	Polish (pl) R-21 (pocisk)		86
5	French (fr) R-21 (missile)		69
6	Ukrainian (uk) Р-21		62
7	Spanish (es) R-21 (misil)		33
8	Vietnamese (vi) R-21 (tên lửa)		33
9	Italian (it) R-21		30
10	Korean (ko) R-21 (미사일)		9

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

Language versions of the article "R-21" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	Russian (ru) Р-21		42
2	English (en) R-21 (missile)		34
3	Italian (it) R-21		26
4	German (de) R-21 (Rakete)		10
5	Korean (ko) R-21 (미사일)		9
6	Polish (pl) R-21 (pocisk)		8
7	Spanish (es) R-21 (misil)		7
8	French (fr) R-21 (missile)		6
9	Vietnamese (vi) R-21 (tên lửa)		5
10	Indonesian (id) R-21 (peluru kendali)		2

More...

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

Language versions of the article "R-21" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) R-21 (missile)		1
2	German (de) R-21 (Rakete)		0
3	Spanish (es) R-21 (misil)		0
4	French (fr) R-21 (missile)		0
5	Indonesian (id) R-21 (peluru kendali)		0
6	Italian (it) R-21		0
7	Korean (ko) R-21 (미사일)		0
8	Polish (pl) R-21 (pocisk)		0
9	Russian (ru) Р-21		0
10	Ukrainian (uk) Р-21		0

More...

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

Language versions of the article "R-21" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) R-21 (missile)		251
2	Italian (it) R-21		176
3	French (fr) R-21 (missile)		140
4	Russian (ru) Р-21		122
5	Vietnamese (vi) R-21 (tên lửa)		103
6	Polish (pl) R-21 (pocisk)		91
7	German (de) R-21 (Rakete)		55
8	Ukrainian (uk) Р-21		14
9	Spanish (es) R-21 (misil)		8
10	Indonesian (id) R-21 (peluru kendali)		3

More...

#	Language	Value
de	German R-21 (Rakete)
en	English R-21 (missile)
es	Spanish R-21 (misil)
fr	French R-21 (missile)
id	Indonesian R-21 (peluru kendali)
it	Italian R-21
ko	Korean R-21 (미사일)
pl	Polish R-21 (pocisk)
ru	Russian Р-21
uk	Ukrainian Р-21
uz	Uzbek Р-21
vi	Vietnamese R-21 (tên lửa)

Best Rank

Italian: #226274 05.2008

Global: #250536 09.2010

Best Rank

Italian: #32151 02.2011

Global: #70672 09.2010

On 10 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Iran, Mojtaba Khamenei, Enhypen, Ali Khamenei, Strait of Hormuz, Jeffrey Epstein, 2026 Iran war, 2026 World Baseball Classic, Donald Trump, World Baseball Classic.

In Italian Wikipedia the most popular articles on that day were: Le libere donne, Giusi Bartolozzi, Mario Tobino, Guerrieri - La regola dell'equilibrio, Le libere donne di Magliano, Episodi di Mare fuori (sesta stagione), One Piece (serie televisiva), Daniele Scardina, Storia d'inverno, Rai.

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