U-556

U-556 - 1940 Type VIIC submarine. Article “U-556” in Portuguese Wikipedia has 49.2 points for quality (as of July 1, 2025). The article contains 61 references and 11 sections.

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

Since the creation of article “U-556”, its content was written by 4 registered users of Portuguese Wikipedia and edited by 137 registered Wikipedia users in all languages.

The article is cited 579 times in Portuguese Wikipedia and cited 5452 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #30762 in November 2021
• Global: #973 in December 2001

The highest popularity rank from 2008:

• Local (Portuguese): #193269 in May 2015
• Global: #146468 in May 2019

There are 14 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	Polish (pl) U-556		54.289
2	Portuguese (pt) U-556		49.2009
3	Vietnamese (vi) U-556 (tàu ngầm Đức)		47.8366
4	English (en) German submarine U-556		39.5398
5	German (de) U 556		28.4497
6	Arabic (ar) الغواصة الألمانية يو-556		21.6814
7	French (fr) Unterseeboot 556		16.5963
8	Ukrainian (uk) U-556		14.4765
9	Japanese (ja) U556 (潜水艦)		13.9002
10	Slovenian (sl) U-556		6.9183

More...

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

The most popular language versions of the article "U-556" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-556		157 641
2	German (de) U 556		39 202
3	Russian (ru) U-556		28 404
4	Portuguese (pt) U-556		3 903
5	Japanese (ja) U556 (潜水艦)		3 833
6	French (fr) Unterseeboot 556		2 968
7	Serbian (sr) Немачка подморница У-556		2 794
8	Polish (pl) U-556		2 557
9	Indonesian (id) Kapal selam Jerman U-556		1 642
10	Slovenian (sl) U-556		926

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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-556" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) German submarine U-556		983
2	German (de) U 556		275
3	Japanese (ja) U556 (潜水艦)		107
4	Russian (ru) U-556		56
5	Indonesian (id) Kapal selam Jerman U-556		29
6	Vietnamese (vi) U-556 (tàu ngầm Đức)		28
7	French (fr) Unterseeboot 556		27
8	Portuguese (pt) U-556		25
9	Polish (pl) U-556		22
10	Serbian (sr) Немачка подморница У-556		14

More...

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

Language versions of the article "U-556" 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-556		58
2	German (de) U 556		23
3	French (fr) Unterseeboot 556		14
4	Russian (ru) U-556		9
5	Serbian (sr) Немачка подморница У-556		7
6	Persian (fa) او-۵۵۶		5
7	Ukrainian (uk) U-556		5
8	Portuguese (pt) U-556		4
9	Japanese (ja) U556 (潜水艦)		3
10	Polish (pl) U-556		3

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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-556" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Vietnamese (vi) U-556 (tàu ngầm Đức)		2
2	Arabic (ar) الغواصة الألمانية يو-556		0
3	German (de) U 556		0
4	English (en) German submarine U-556		0
5	Persian (fa) او-۵۵۶		0
6	French (fr) Unterseeboot 556		0
7	Indonesian (id) Kapal selam Jerman U-556		0
8	Japanese (ja) U556 (潜水艦)		0
9	Polish (pl) U-556		0
10	Portuguese (pt) U-556		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 "U-556" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Arabic (ar) الغواصة الألمانية يو-556		1 153
2	English (en) German submarine U-556		775
3	French (fr) Unterseeboot 556		712
4	Ukrainian (uk) U-556		654
5	Slovenian (sl) U-556		587
6	Portuguese (pt) U-556		579
7	Vietnamese (vi) U-556 (tàu ngầm Đức)		355
8	Russian (ru) U-556		295
9	Polish (pl) U-556		157
10	German (de) U 556		135

More...

#	Language	Value
ar	Arabic الغواصة الألمانية يو-556
de	German U 556
en	English German submarine U-556
fa	Persian او-۵۵۶
fr	French Unterseeboot 556
id	Indonesian Kapal selam Jerman U-556
ja	Japanese U556 (潜水艦)
pl	Polish U-556
pt	Portuguese U-556
ru	Russian U-556
sl	Slovenian U-556
sr	Serbian Немачка подморница У-556
uk	Ukrainian U-556
vi	Vietnamese U-556 (tàu ngầm Đức)

Best Rank

Portuguese: #193269 05.2015

Global: #146468 05.2019

Best Rank

Portuguese: #30762 11.2021

Global: #973 12.2001

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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