U-331

U-331 - 1940 Type VIIC submarine. Article “U-331” in Polish Wikipedia has 8.7 points for quality (as of July 1, 2025). The article contains 0 references and 3 sections.

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

Since the creation of article “U-331”, its content was written by 12 registered users of Polish Wikipedia and edited by 214 registered Wikipedia users in all languages.

The article is cited 165 times in Polish Wikipedia and cited 5732 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Polish): #12810 in February 2019
• Global: #59092 in July 2009

The highest popularity rank from 2008:

• Local (Polish): #98526 in April 2025
• Global: #264609 in July 2014

There are 17 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	Catalan (ca) U-331		52.7116
2	Vietnamese (vi) U-331 (tàu ngầm Đức)		51.0332
3	English (en) German submarine U-331		48.8264
4	Hebrew (he) U-331		39.4217
5	German (de) U 331		34.2287
6	Arabic (ar) الغواصة الألمانية يو-331		22.6299
7	Norwegian (no) «U 331»		21.8404
8	Portuguese (pt) U-331		21.5275
9	Ukrainian (uk) U-331		20.5153
10	French (fr) Unterseeboot 331		17.5283

More...

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

The most popular language versions of the article "U-331" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-331		263 415
2	German (de) U 331		71 886
3	Polish (pl) U-331		36 154
4	Russian (ru) U-331		35 125
5	French (fr) Unterseeboot 331		17 899
6	Swedish (sv) U-331		13 175
7	Dutch (nl) U 331 (Kriegsmarine)		9 856
8	Norwegian (no) «U 331»		7 205
9	Portuguese (pt) U-331		2 694
10	Slovenian (sl) U-331		1 269

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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 "U-331" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-331		1 782
2	German (de) U 331		516
3	Russian (ru) U-331		220
4	Polish (pl) U-331		151
5	French (fr) Unterseeboot 331		122
6	Dutch (nl) U 331 (Kriegsmarine)		35
7	Swedish (sv) U-331		32
8	Ukrainian (uk) U-331		26
9	Hungarian (hu) U–331		16
10	Portuguese (pt) U-331		16

More...

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

Language versions of the article "U-331" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) German submarine U-331		44
2	German (de) U 331		38
3	French (fr) Unterseeboot 331		32
4	Dutch (nl) U 331 (Kriegsmarine)		25
5	Norwegian (no) «U 331»		19
6	Swedish (sv) U-331		13
7	Polish (pl) U-331		12
8	Ukrainian (uk) U-331		7
9	Persian (fa) او-۳۳۱		4
10	Hebrew (he) U-331		4

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 "U-331" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Catalan (ca) U-331		1
2	Vietnamese (vi) U-331 (tàu ngầm Đức)		1
3	Arabic (ar) الغواصة الألمانية يو-331		0
4	German (de) U 331		0
5	English (en) German submarine U-331		0
6	Persian (fa) او-۳۳۱		0
7	French (fr) Unterseeboot 331		0
8	Hebrew (he) U-331		0
9	Hungarian (hu) U–331		0
10	Dutch (nl) U 331 (Kriegsmarine)		0

More...

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

Language versions of the article "U-331" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Arabic (ar) الغواصة الألمانية يو-331		1 154
2	English (en) German submarine U-331		923
3	French (fr) Unterseeboot 331		733
4	Ukrainian (uk) U-331		667
5	Slovenian (sl) U-331		587
6	Portuguese (pt) U-331		581
7	Vietnamese (vi) U-331 (tàu ngầm Đức)		362
8	Russian (ru) U-331		306
9	Polish (pl) U-331		165
10	German (de) U 331		132

More...

#	Language	Value
ar	Arabic الغواصة الألمانية يو-331
ca	Catalan U-331
de	German U 331
en	English German submarine U-331
fa	Persian او-۳۳۱
fr	French Unterseeboot 331
he	Hebrew U-331
hu	Hungarian U–331
nl	Dutch U 331 (Kriegsmarine)
no	Norwegian «U 331»
pl	Polish U-331
pt	Portuguese U-331
ru	Russian U-331
sl	Slovenian U-331
sv	Swedish U-331
uk	Ukrainian U-331
vi	Vietnamese U-331 (tàu ngầm Đức)

Best Rank

Polish: #98526 04.2025

Global: #264609 07.2014

Best Rank

Polish: #12810 02.2019

Global: #59092 07.2009

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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 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