Projekt 667

Delta-class submarine - nuclear-powered ballistic missile submarine family. Article "Projekt 667" in Czech Wikipedia has 29.7 points for quality (as of July 1, 2025). The article contains 9 references and 8 sections.

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

Since the creation of article "Projekt 667", its content was written by 8 registered users of Czech Wikipedia and edited by 454 registered Wikipedia users in all languages.

The article is cited 43 times in Czech Wikipedia and cited 895 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Czech): #5759 in March 2022
• Global: #32461 in December 2011

The highest popularity rank from 2008:

• Local (Czech): #38012 in August 2021
• Global: #39763 in December 2011

There are 16 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	Malay (ms) Kapal selam kelas Delta		87.3757
2	English (en) Delta-class submarine		58.0383
3	Chinese (zh) 667B型核潜艇		47.6257
4	Spanish (es) Clase Delta		45.8653
5	Italian (it) Classe Delta		34.2291
6	Czech (cs) Projekt 667		29.6636
7	Japanese (ja) デルタ型原子力潜水艦		24.5878
8	French (fr) Classe Delta		19.5272
9	Swedish (sv) Delta-klass		18.6665
10	Norwegian (Nynorsk) (nn) Ubåtklassen Delta		18.4213

More...

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

The most popular language versions of the article "Projekt 667" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Delta-class submarine		2 220 792
2	Japanese (ja) デルタ型原子力潜水艦		380 049
3	Chinese (zh) 667B型核潜艇		190 884
4	French (fr) Classe Delta		158 858
5	Spanish (es) Clase Delta		143 776
6	Italian (it) Classe Delta		112 439
7	Dutch (nl) Deltaklasse		28 490
8	Swedish (sv) Delta-klass		26 042
9	Russian (ru) Подводные лодки класса Дельта		20 665
10	Vietnamese (vi) Delta (lớp tàu ngầm)		17 989

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 "Projekt 667" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Delta-class submarine		10 092
2	Japanese (ja) デルタ型原子力潜水艦		1 555
3	Chinese (zh) 667B型核潜艇		1 138
4	French (fr) Classe Delta		502
5	Spanish (es) Clase Delta		492
6	Italian (it) Classe Delta		363
7	Russian (ru) Подводные лодки класса Дельта		152
8	Persian (fa) زیردریایی کلاس دلتا		134
9	Vietnamese (vi) Delta (lớp tàu ngầm)		69
10	Dutch (nl) Deltaklasse		64

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

Language versions of the article "Projekt 667" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Delta-class submarine		176
2	French (fr) Classe Delta		52
3	Italian (it) Classe Delta		44
4	Spanish (es) Clase Delta		36
5	Japanese (ja) デルタ型原子力潜水艦		31
6	Chinese (zh) 667B型核潜艇		30
7	Dutch (nl) Deltaklasse		25
8	Swedish (sv) Delta-klass		17
9	Vietnamese (vi) Delta (lớp tàu ngầm)		17
10	Czech (cs) Projekt 667		8

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 "Projekt 667" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Delta-class submarine		1
2	Chinese (zh) 667B型核潜艇		1
3	Czech (cs) Projekt 667		0
4	Spanish (es) Clase Delta		0
5	Persian (fa) زیردریایی کلاس دلتا		0
6	French (fr) Classe Delta		0
7	Italian (it) Classe Delta		0
8	Japanese (ja) デルタ型原子力潜水艦		0
9	Korean (ko) 델타급 잠수함		0
10	Malay (ms) Kapal selam kelas Delta		0

More...

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

Language versions of the article "Projekt 667" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) Classe Delta		229
2	English (en) Delta-class submarine		174
3	Japanese (ja) デルタ型原子力潜水艦		95
4	Italian (it) Classe Delta		85
5	Swedish (sv) Delta-klass		79
6	Chinese (zh) 667B型核潜艇		72
7	Czech (cs) Projekt 667		43
8	Spanish (es) Clase Delta		28
9	Vietnamese (vi) Delta (lớp tàu ngầm)		21
10	Korean (ko) 델타급 잠수함		17

More...

#	Language	Value
cs	Czech Projekt 667
en	English Delta-class submarine
es	Spanish Clase Delta
fa	Persian زیردریایی کلاس دلتا
fr	French Classe Delta
it	Italian Classe Delta
ja	Japanese デルタ型原子力潜水艦
ko	Korean 델타급 잠수함
ms	Malay Kapal selam kelas Delta
nl	Dutch Deltaklasse
nn	Norwegian (Nynorsk) Ubåtklassen Delta
no	Norwegian Delta (ubåtklasse)
ru	Russian Подводные лодки класса Дельта
sv	Swedish Delta-klass
vi	Vietnamese Delta (lớp tàu ngầm)
zh	Chinese 667B型核潜艇

Best Rank

Czech: #38012 08.2021

Global: #39763 12.2011

Best Rank

Czech: #5759 03.2022

Global: #32461 12.2011

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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