Surjective function

Surjective function - function such that every element of the codomain has a preimage. Article "Surjective function" in English Wikipedia has 53.5 points for quality (as of July 1, 2025). The article contains 10 references and 14 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

Since the creation of article "Surjective function", its content was written by 177 registered users of English Wikipedia and edited by 1043 registered Wikipedia users in all languages.

The article is cited 770 times in English Wikipedia and cited 3492 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #1362 in May 2002
• Global: #1344 in April 2002

The highest popularity rank from 2008:

• Local (English): #38545 in October 2018
• Global: #12634 in October 2010

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, 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	English (en) Surjective function		53.5493
2	Simple English (simple) Surjective function		45.92
3	Tamil (ta) முழுக்கோப்பு		39.1256
4	Chinese (zh) 满射		36.5238
5	Portuguese (pt) Função sobrejectiva		34.0718
6	Polish (pl) Surjekcja		31.8324
7	Arabic (ar) دالة غامرة		29.3225
8	Galician (gl) Función sobrexectiva		28.1106
9	French (fr) Surjection		26.4713
10	Catalan (ca) Funció exhaustiva		25.345

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

The most popular language versions of the article "Surjective function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Surjective function		3 255 265
2	Spanish (es) Función sobreyectiva		2 738 937
3	German (de) Surjektive Funktion		1 510 782
4	Italian (it) Funzione suriettiva		887 551
5	French (fr) Surjection		618 554
6	Russian (ru) Сюръекция		606 863
7	Polish (pl) Surjekcja		479 745
8	Portuguese (pt) Função sobrejectiva		288 597
9	Hebrew (he) פונקציה על		264 571
10	Japanese (ja) 全射		253 392

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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 "Surjective function" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Surjective function		8 424
2	Spanish (es) Función sobreyectiva		2 113
3	Russian (ru) Сюръекция		1 680
4	German (de) Surjektive Funktion		1 314
5	French (fr) Surjection		963
6	Italian (it) Funzione suriettiva		878
7	Japanese (ja) 全射		861
8	Chinese (zh) 满射		812
9	Korean (ko) 전사 함수		693
10	Simple English (simple) Surjective function		672

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

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

#	Language	AI award	Relative AI
1	English (en) Surjective function		177
2	German (de) Surjektive Funktion		87
3	French (fr) Surjection		72
4	Spanish (es) Función sobreyectiva		63
5	Polish (pl) Surjekcja		57
6	Russian (ru) Сюръекция		49
7	Italian (it) Funzione suriettiva		42
8	Dutch (nl) Surjectie		39
9	Hebrew (he) פונקציה על		38
10	Portuguese (pt) Função sobrejectiva		31

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

Language versions of the article "Surjective function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Esperanto (eo) Surĵeto		2
2	Arabic (ar) دالة غامرة		1
3	Hungarian (hu) Szürjekció		1
4	Indonesian (id) Fungsi surjektif		1
5	Italian (it) Funzione suriettiva		1
6	Ukrainian (uk) Сюр'єкція		1
7	Belarusian (be) Сюр’екцыя		0
8	Bulgarian (bg) Сюрекция		0
9	Catalan (ca) Funció exhaustiva		0
10	Czech (cs) Surjekce		0

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

Language versions of the article "Surjective function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Surjective function		770
2	French (fr) Surjection		257
3	Korean (ko) 전사 함수		215
4	Polish (pl) Surjekcja		215
5	Japanese (ja) 全射		213
6	German (de) Surjektive Funktion		209
7	Chinese (zh) 满射		192
8	Hebrew (he) פונקציה על		158
9	Spanish (es) Función sobreyectiva		138
10	Portuguese (pt) Função sobrejectiva		115

More...

#	Language	Value
ar	Arabic دالة غامرة
be	Belarusian Сюр’екцыя
bg	Bulgarian Сюрекция
ca	Catalan Funció exhaustiva
cs	Czech Surjekce
da	Danish Surjektiv
de	German Surjektive Funktion
el	Greek Επί (συνάρτηση)
en	English Surjective function
eo	Esperanto Surĵeto
es	Spanish Función sobreyectiva
eu	Basque Funtzio supraiektibo
fa	Persian تابع پوشا
fi	Finnish Surjektio
fr	French Surjection
gl	Galician Función sobrexectiva
he	Hebrew פונקציה על
hr	Croatian Surjektivna funkcija
hu	Hungarian Szürjekció
id	Indonesian Fungsi surjektif
it	Italian Funzione suriettiva
ja	Japanese 全射
ko	Korean 전사 함수
la	Latin Functio superiectiva
lt	Lithuanian Siurjekcija
nl	Dutch Surjectie
nn	Norwegian (Nynorsk) Surjeksjon
no	Norwegian Surjektiv funksjon
pl	Polish Surjekcja
pt	Portuguese Função sobrejectiva
ro	Romanian Funcție surjectivă
ru	Russian Сюръекция
simple	Simple English Surjective function
sk	Slovak Surjektívne zobrazenie
sl	Slovenian Surjektivna preslikava
sr	Serbian Сурјективно пресликавање
sv	Swedish Surjektiv funktion
ta	Tamil முழுக்கோப்பு
th	Thai ฟังก์ชันทั่วถึง
tr	Turkish Örten fonksiyon
uk	Ukrainian Сюр'єкція
vi	Vietnamese Toàn ánh
zh	Chinese 满射

Best Rank

English: #38545 10.2018

Global: #12634 10.2010

Best Rank

English: #1362 05.2002

Global: #1344 04.2002

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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