I-15 (1940)

Japanese submarine I-15 - 1939 Type B1 submarine. Article “I-15 (1940)” in Spanish Wikipedia has 12.8 points for quality (as of July 1, 2026). The article contains 2 references and 7 sections.

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

Since the creation of article “I-15 (1940)”, its content was written by 4 registered users of Spanish Wikipedia and edited by 121 registered Wikipedia users in all languages.

The article is cited 21 times in Spanish Wikipedia and cited 1046 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Spanish): #55458 in August 2010
• Global: #106705 in September 2021

The highest popularity rank from 2008:

• Local (Spanish): #358313 in August 2010
• Global: #473728 in June 2009

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, 2026 (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	English (en) Japanese submarine I-15		54.6845
2	Vietnamese (vi) I-15 (tàu ngầm Nhật)		50.4688
3	Japanese (ja) 伊号第十五潜水艦 (初代)		35.5077
4	German (de) I-15 (U-Boot)		15.4088
5	Spanish (es) I-15 (1940)		12.8496
6	French (fr) I-15 (sous-marin)		12.3146
7	Portuguese (pt) I-15		12.0968
8	Ukrainian (uk) I-15 (підводний човен)		11.7704
9	Russian (ru) I-15 (подводная лодка)		8.1708
10	Chinese (zh) 伊號第十五潛艦		6.3809

More...

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

The most popular language versions of the article "I-15 (1940)" in all the time

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 伊号第十五潜水艦 (初代)		97 640
2	English (en) Japanese submarine I-15		86 261
3	Spanish (es) I-15 (1940)		8 434
4	Chinese (zh) 伊號第十五潛艦		7 397
5	German (de) I-15 (U-Boot)		7 144
6	Russian (ru) I-15 (подводная лодка)		6 757
7	Italian (it) I-15 (sommergibile)		2 568
8	French (fr) I-15 (sous-marin)		856
9	Portuguese (pt) I-15		659
10	Persian (fa) زیردریایی آی-۱۵ (۱۹۳۹)		523

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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 "I-15 (1940)" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Japanese submarine I-15		329
2	Japanese (ja) 伊号第十五潜水艦 (初代)		173
3	German (de) I-15 (U-Boot)		94
4	Chinese (zh) 伊號第十五潛艦		44
5	Spanish (es) I-15 (1940)		29
6	Russian (ru) I-15 (подводная лодка)		27
7	French (fr) I-15 (sous-marin)		11
8	Italian (it) I-15 (sommergibile)		9
9	Vietnamese (vi) I-15 (tàu ngầm Nhật)		7
10	Ukrainian (uk) I-15 (підводний човен)		6

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

Language versions of the article "I-15 (1940)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Japanese submarine I-15		50
2	Italian (it) I-15 (sommergibile)		23
3	Japanese (ja) 伊号第十五潜水艦 (初代)		10
4	German (de) I-15 (U-Boot)		9
5	Russian (ru) I-15 (подводная лодка)		8
6	Chinese (zh) 伊號第十五潛艦		5
7	Spanish (es) I-15 (1940)		4
8	French (fr) I-15 (sous-marin)		4
9	Ukrainian (uk) I-15 (підводний човен)		4
10	Vietnamese (vi) I-15 (tàu ngầm Nhật)		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 "I-15 (1940)" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Persian (fa) زیردریایی آی-۱۵ (۱۹۳۹)		1
2	German (de) I-15 (U-Boot)		0
3	English (en) Japanese submarine I-15		0
4	Spanish (es) I-15 (1940)		0
5	French (fr) I-15 (sous-marin)		0
6	Italian (it) I-15 (sommergibile)		0
7	Japanese (ja) 伊号第十五潜水艦 (初代)		0
8	Portuguese (pt) I-15		0
9	Russian (ru) I-15 (подводная лодка)		0
10	Ukrainian (uk) I-15 (підводний човен)		0

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

Language versions of the article "I-15 (1940)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Ukrainian (uk) I-15 (підводний човен)		483
2	English (en) Japanese submarine I-15		232
3	Japanese (ja) 伊号第十五潜水艦 (初代)		89
4	Chinese (zh) 伊號第十五潛艦		57
5	French (fr) I-15 (sous-marin)		40
6	Vietnamese (vi) I-15 (tàu ngầm Nhật)		39
7	Persian (fa) زیردریایی آی-۱۵ (۱۹۳۹)		37
8	Spanish (es) I-15 (1940)		21
9	Russian (ru) I-15 (подводная лодка)		21
10	German (de) I-15 (U-Boot)		13

More...

#	Language	Value
de	German I-15 (U-Boot)
en	English Japanese submarine I-15
es	Spanish I-15 (1940)
fa	Persian زیردریایی آی-۱۵ (۱۹۳۹)
fr	French I-15 (sous-marin)
it	Italian I-15 (sommergibile)
ja	Japanese 伊号第十五潜水艦 (初代)
pt	Portuguese I-15
ru	Russian I-15 (подводная лодка)
uk	Ukrainian I-15 (підводний човен)
vi	Vietnamese I-15 (tàu ngầm Nhật)
zh	Chinese 伊號第十五潛艦

Best Rank

Spanish: #358313 08.2010

Global: #473728 06.2009

Best Rank

Spanish: #55458 08.2010

Global: #106705 09.2021

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information