Allee effect

Allee effect - phenomenon in biology. Article “Allee effect” in English Wikipedia has 56.5 points for quality (as of July 1, 2026). The article contains 43 references and 15 sections.

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

Since the creation of article “Allee effect”, its content was written by 74 registered users of English Wikipedia and edited by 245 registered Wikipedia users in all languages.

The article is cited 323 times in English Wikipedia and cited 982 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #33096 in February 2005
• Global: #63377 in May 2026

The highest popularity rank from 2008:

• Local (English): #128067 in October 2010
• Global: #177111 in April 2010

There are 21 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	Catalan (ca) Efecte Allee		65.3843
2	Chinese (zh) 阿利效应		60.6661
3	English (en) Allee effect		56.4741
4	Slovenian (sl) Alleejev učinek		52.1628
5	Portuguese (pt) Efeito allee		46.4159
6	Korean (ko) 앨리 효과		43.415
7	Belarusian (be) Эфект Олі		39.7611
8	Czech (cs) Alleeho efekt		30.9704
9	French (fr) Effet Allee		29.9568
10	Swedish (sv) Allee-effekten		25.316

More...

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

The most popular language versions of the article "Allee effect" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Allee effect		884 164
2	German (de) Allee-Effekt		130 304
3	French (fr) Effet Allee		88 129
4	Japanese (ja) アリー効果		76 618
5	Spanish (es) Efecto Allee		56 917
6	Polish (pl) Zasada Alleego		55 764
7	Italian (it) Effetto Allee		42 483
8	Chinese (zh) 阿利效应		28 064
9	Ukrainian (uk) Ефект Оллі		8 799
10	Russian (ru) Эффект Олли		8 194

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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 "Allee effect" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Allee effect		2 033
2	German (de) Allee-Effekt		817
3	Japanese (ja) アリー効果		727
4	French (fr) Effet Allee		449
5	Chinese (zh) 阿利效应		247
6	Italian (it) Effetto Allee		91
7	Spanish (es) Efecto Allee		76
8	Portuguese (pt) Efeito allee		76
9	Polish (pl) Zasada Alleego		70
10	Russian (ru) Эффект Олли		70

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Allee effect		74
2	German (de) Allee-Effekt		42
3	French (fr) Effet Allee		31
4	Polish (pl) Zasada Alleego		17
5	Italian (it) Effetto Allee		15
6	Spanish (es) Efecto Allee		12
7	Japanese (ja) アリー効果		9
8	Ukrainian (uk) Ефект Оллі		7
9	Chinese (zh) 阿利效应		6
10	Belarusian (be) Эфект Олі		5

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 "Allee effect" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) تأثير ألي		1
2	Belarusian (be) Эфект Олі		1
3	Portuguese (pt) Efeito allee		1
4	Chinese (zh) 阿利效应		1
5	Catalan (ca) Efecte Allee		0
6	Czech (cs) Alleeho efekt		0
7	German (de) Allee-Effekt		0
8	English (en) Allee effect		0
9	Spanish (es) Efecto Allee		0
10	Estonian (et) Allee efekt		0

More...

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

Language versions of the article "Allee effect" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Allee effect		323
2	Ukrainian (uk) Ефект Оллі		141
3	Persian (fa) اثر آلی		135
4	Arabic (ar) تأثير ألي		132
5	Chinese (zh) 阿利效应		125
6	Belarusian (be) Эфект Олі		41
7	French (fr) Effet Allee		26
8	German (de) Allee-Effekt		12
9	Polish (pl) Zasada Alleego		11
10	Japanese (ja) アリー効果		8

More...

#	Language	Value
ar	Arabic تأثير ألي
be	Belarusian Эфект Олі
ca	Catalan Efecte Allee
cs	Czech Alleeho efekt
de	German Allee-Effekt
en	English Allee effect
es	Spanish Efecto Allee
et	Estonian Allee efekt
fa	Persian اثر آلی
fr	French Effet Allee
it	Italian Effetto Allee
ja	Japanese アリー効果
ko	Korean 앨리 효과
pl	Polish Zasada Alleego
pt	Portuguese Efeito allee
ru	Russian Эффект Олли
sl	Slovenian Alleejev učinek
sr	Serbian Алејев ефекат
sv	Swedish Allee-effekten
uk	Ukrainian Ефект Оллі
zh	Chinese 阿利效应

Best Rank

English: #128067 10.2010

Global: #177111 04.2010

Best Rank

English: #33096 02.2005

Global: #63377 05.2026

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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 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