Unit 731

Quality:

Unit 731 - chemical and biological warfare research and development unit of the Imperial Japanese Army (1935-1945). Article “Unit 731” in English Wikipedia has 84.6 points for quality (as of July 1, 2026). The article contains 218 references and 39 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 9.4 points.

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

Achievements in all the time:

English Wikipedia:

en

The 2008^th most popular in English Wikipedia.

en

The 5933^rd most editable in English Wikipedia.

Global Wikipedia:

The 2684^th most popular in all topics.

The 7510^th most popular in AI.

Achievements in the last month:

English Wikipedia:

en

The 2095^th most popular in English Wikipedia in the last month.

en

The 4995^th most editable in English Wikipedia in the last month.

Global Wikipedia:

The 2145^th most popular in all topics in the last month.

The 6819^th most popular in AI in the last month.

In June 2026 the article “Unit 731” was edited by 11 authors in English Wikipedia (4995^th place) and written by 25 authors in all languages (6819^th place).

Since the creation of article “Unit 731”, its content was written by 1064 registered users of English Wikipedia (5933^rd place) and edited by 2957 registered Wikipedia users in all languages (7510^th place).

The article is cited 1390 times in English Wikipedia and cited 5558 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #1164 in August 2023
• Global: #1272 in August 2025

The highest popularity rank from 2008:

• Local (English): #430 in June 2024
• Global: #428 in August 2025

There are 43 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	Uzbek (uz) 731-boʻlinma		99.9741
2	Chinese (zh) 731部队		85.1736
3	English (en) Unit 731		84.5919
4	Norwegian (no) Enhet 731		84.2623
5	Turkish (tr) 731. Birim		77.4023
6	Persian (fa) یگان ۷۳۱		76.8693
7	Japanese (ja) 731部隊		75.647
8	Italian (it) Unità 731		75.0084
9	Swedish (sv) Enhet 731		70.3635
10	Estonian (et) Üksus 731		62.4145

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

#	Language	Popularity award	Relative popularity
1	English (en) Unit 731		33 432 364
2	Japanese (ja) 731部隊		6 841 932
3	Russian (ru) Отряд 731		5 041 134
4	Chinese (zh) 731部队		2 576 023
5	Spanish (es) Escuadrón 731		2 292 861
6	German (de) Einheit 731		2 073 469
7	French (fr) Unité 731		1 874 353
8	Polish (pl) Jednostka 731		1 148 991
9	Italian (it) Unità 731		949 406
10	Korean (ko) 731부대		537 009

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) Unit 731		160 647
2	Russian (ru) Отряд 731		22 205
3	Japanese (ja) 731部隊		19 654
4	Chinese (zh) 731部队		12 661
5	French (fr) Unité 731		9 935
6	German (de) Einheit 731		8 339
7	Spanish (es) Escuadrón 731		8 296
8	Polish (pl) Jednostka 731		4 108
9	Italian (it) Unità 731		3 908
10	Portuguese (pt) Unidade 731		3 041

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

#	Language	AI award	Relative AI
1	English (en) Unit 731		1 064
2	Japanese (ja) 731部隊		259
3	Chinese (zh) 731部队		198
4	French (fr) Unité 731		193
5	German (de) Einheit 731		167
6	Italian (it) Unità 731		151
7	Russian (ru) Отряд 731		145
8	Spanish (es) Escuadrón 731		86
9	Korean (ko) 731부대		85
10	Polish (pl) Jednostka 731		75

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) Unit 731		11
2	Japanese (ja) 731部隊		2
3	Chinese (zh) 731部队		2
4	Azerbaijani (az) 731-ci dəstə		1
5	Spanish (es) Escuadrón 731		1
6	Estonian (et) Üksus 731		1
7	French (fr) Unité 731		1
8	Hungarian (hu) 731-es alakulat		1
9	Indonesian (id) Unit 731		1
10	Italian (it) Unità 731		1

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

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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