Tyyppi XXI

Quality:

Type XXI submarine - 1944 class of German submarines. Article “Tyyppi XXI” in Finnish Wikipedia has 13.4 points for quality (as of July 1, 2025). The article contains 2 references and 2 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 “Tyyppi XXI”, its content was written by 9 registered users of Finnish Wikipedia and edited by 1130 registered Wikipedia users in all languages.

The article is cited 25 times in Finnish Wikipedia and cited 3461 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Finnish): #822 in October 2021
• Global: #4783 in April 2010

The highest popularity rank from 2008:

• Local (Finnish): #2587 in February 2017
• Global: #7290 in April 2018

There are 25 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) Okręty podwodne typu XXI		97.8716
2	German (de) U-Boot-Klasse XXI		86.6268
3	English (en) Type XXI submarine		75.2253
4	Indonesian (id) Kapal selam tipe XXI		56.9519
5	Chinese (zh) XXI級潛艇		40.1203
6	Russian (ru) Подводные лодки типа XXI		38.3042
7	Catalan (ca) Submarins del tipus XXI		34.8691
8	Italian (it) U-Boot Tipo XXI		34.7074
9	Czech (cs) Typ XXI		34.2733
10	Spanish (es) Tipo XXI		32.7656

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

#	Language	Popularity award	Relative popularity
1	English (en) Type XXI submarine		3 631 583
2	German (de) U-Boot-Klasse XXI		2 865 908
3	Japanese (ja) UボートXXI型		684 383
4	Russian (ru) Подводные лодки типа XXI		503 286
5	Polish (pl) Okręty podwodne typu XXI		428 335
6	Italian (it) U-Boot Tipo XXI		393 139
7	Spanish (es) Tipo XXI		375 619
8	French (fr) Unterseeboot type XXI		365 782
9	Chinese (zh) XXI級潛艇		132 678
10	Dutch (nl) Type XXI U-boot		100 762

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

#	Language	Popularity award	Relative popularity
1	English (en) Type XXI submarine		16 618
2	German (de) U-Boot-Klasse XXI		12 945
3	French (fr) Unterseeboot type XXI		2 767
4	Japanese (ja) UボートXXI型		2 290
5	Russian (ru) Подводные лодки типа XXI		1 981
6	Italian (it) U-Boot Tipo XXI		1 241
7	Polish (pl) Okręty podwodne typu XXI		1 117
8	Spanish (es) Tipo XXI		888
9	Chinese (zh) XXI級潛艇		780
10	Czech (cs) Typ XXI		262

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

#	Language	AI award	Relative AI
1	German (de) U-Boot-Klasse XXI		329
2	English (en) Type XXI submarine		188
3	French (fr) Unterseeboot type XXI		76
4	Polish (pl) Okręty podwodne typu XXI		75
5	Italian (it) U-Boot Tipo XXI		72
6	Spanish (es) Tipo XXI		65
7	Russian (ru) Подводные лодки типа XXI		42
8	Hungarian (hu) XXI típusú német tengeralattjáró		38
9	Dutch (nl) Type XXI U-boot		36
10	Japanese (ja) UボートXXI型		31

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

#	Language	AI award	Relative AI
1	English (en) Type XXI submarine		3
2	German (de) U-Boot-Klasse XXI		2
3	Dutch (nl) Type XXI U-boot		1
4	Arabic (ar) غواصة الفئة الواحدة والعشرون		0
5	Catalan (ca) Submarins del tipus XXI		0
6	Czech (cs) Typ XXI		0
7	Esperanto (eo) Submarŝipo tipo XXI		0
8	Spanish (es) Tipo XXI		0
9	Finnish (fi) Tyyppi XXI		0
10	French (fr) Unterseeboot type XXI		0

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

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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