Outbreeding depression

Outbreeding depression - reduced fitness as a result of outbreeding. Article “Outbreeding depression” in English Wikipedia has 28.7 points for quality (as of July 1, 2026). The article contains 16 references and 5 sections.

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

Since the creation of article “Outbreeding depression”, its content was written by 73 registered users of English Wikipedia and edited by 117 registered Wikipedia users in all languages.

The article is cited 109 times in English Wikipedia and cited 247 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #27277 in April 2016
• Global: #86447 in November 2022

The highest popularity rank from 2008:

• Local (English): #147042 in March 2009
• Global: #237071 in March 2009

There are 9 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	Russian (ru) Аутбредная депрессия		29.885
2	English (en) Outbreeding depression		28.702
3	Dutch (nl) Uitteeltdepressie		23.7023
4	Persian (fa) افسردگی برون‌آمیزی		22.7159
5	Portuguese (pt) Depressão exogâmica		20.2435
6	Chinese (zh) 远交衰退		14.4396
7	Japanese (ja) 異系交配弱勢		8.6128
8	Polish (pl) Depresja outbredowa		4.5212
9	French (fr) Dépression hybride		4.3722

More...

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

The most popular language versions of the article "Outbreeding depression" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Outbreeding depression		542 710
2	Chinese (zh) 远交衰退		55 163
3	French (fr) Dépression hybride		33 605
4	Polish (pl) Depresja outbredowa		23 984
5	Japanese (ja) 異系交配弱勢		7 389
6	Persian (fa) افسردگی برون‌آمیزی		1 405
7	Dutch (nl) Uitteeltdepressie		307
8	Portuguese (pt) Depressão exogâmica		181
9	Russian (ru) Аутбредная депрессия		115

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 "Outbreeding depression" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Outbreeding depression		1 316
2	Chinese (zh) 远交衰退		226
3	French (fr) Dépression hybride		63
4	Polish (pl) Depresja outbredowa		48
5	Japanese (ja) 異系交配弱勢		45
6	Russian (ru) Аутбредная депрессия		37
7	Persian (fa) افسردگی برون‌آمیزی		20
8	Dutch (nl) Uitteeltdepressie		3
9	Portuguese (pt) Depressão exogâmica		2

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Outbreeding depression		73
2	French (fr) Dépression hybride		18
3	Chinese (zh) 远交衰退		11
4	Polish (pl) Depresja outbredowa		5
5	Persian (fa) افسردگی برون‌آمیزی		3
6	Portuguese (pt) Depressão exogâmica		3
7	Russian (ru) Аутбредная депрессия		2
8	Japanese (ja) 異系交配弱勢		1
9	Dutch (nl) Uitteeltdepressie		1

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 "Outbreeding depression" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Dutch (nl) Uitteeltdepressie		1
2	English (en) Outbreeding depression		0
3	Persian (fa) افسردگی برون‌آمیزی		0
4	French (fr) Dépression hybride		0
5	Japanese (ja) 異系交配弱勢		0
6	Polish (pl) Depresja outbredowa		0
7	Portuguese (pt) Depressão exogâmica		0
8	Russian (ru) Аутбредная депрессия		0
9	Chinese (zh) 远交衰退		0

More...

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

Language versions of the article "Outbreeding depression" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Russian (ru) Аутбредная депрессия		116
2	English (en) Outbreeding depression		109
3	French (fr) Dépression hybride		7
4	Chinese (zh) 远交衰退		7
5	Polish (pl) Depresja outbredowa		3
6	Japanese (ja) 異系交配弱勢		2
7	Persian (fa) افسردگی برون‌آمیزی		1
8	Dutch (nl) Uitteeltdepressie		1
9	Portuguese (pt) Depressão exogâmica		1

More...

#	Language	Value
en	English Outbreeding depression
fa	Persian افسردگی برون‌آمیزی
fr	French Dépression hybride
ja	Japanese 異系交配弱勢
nl	Dutch Uitteeltdepressie
pl	Polish Depresja outbredowa
pt	Portuguese Depressão exogâmica
ru	Russian Аутбредная депрессия
zh	Chinese 远交衰退

Best Rank

English: #147042 03.2009

Global: #237071 03.2009

Best Rank

English: #27277 04.2016

Global: #86447 11.2022

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