Injective function

Quality:

Injection - mathematical function that preserves distinctness. Article “Injective function” in Simple English Wikipedia has 46.8 points for quality (as of July 1, 2026). The article contains 7 references and 8 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Simple English) language version.

Since the creation of article “Injective function”, its content was written by 12 registered users of Simple English Wikipedia and edited by 1355 registered Wikipedia users in all languages.

The article is cited 24 times in Simple English Wikipedia and cited 4636 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #1938 in August 2023
• Global: #920 in July 2003

The highest popularity rank from 2008:

• Local (Simple English): #101 in December 2013
• Global: #9304 in October 2015

There are 47 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	English (en) Injective function		48.3827
2	Simple English (simple) Injective function		46.8226
3	Polish (pl) Funkcja różnowartościowa		44.8202
4	Chinese (zh) 单射		37.848
5	Portuguese (pt) Função injectiva		35.6534
6	Galician (gl) Función inxectiva		32.2632
7	Malay (ms) Fungsi Injektif		31.7224
8	Italian (it) Funzione iniettiva		28.871
9	Catalan (ca) Funció injectiva		26.8358
10	Latin (la) Functio iniectiva		24.482

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

#	Language	Popularity award	Relative popularity
1	English (en) Injective function		4 092 527
2	Spanish (es) Función inyectiva		3 826 891
3	German (de) Injektive Funktion		2 061 214
4	Italian (it) Funzione iniettiva		1 112 445
5	French (fr) Injection (mathématiques)		891 839
6	Russian (ru) Инъекция (математика)		660 836
7	Polish (pl) Funkcja różnowartościowa		511 501
8	Portuguese (pt) Função injectiva		480 286
9	Hebrew (he) פונקציה חד-חד-ערכית		371 384
10	Japanese (ja) 単射		292 491

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) Injective function		6 457
2	German (de) Injektive Funktion		1 709
3	French (fr) Injection (mathématiques)		1 190
4	Russian (ru) Инъекция (математика)		943
5	Italian (it) Funzione iniettiva		826
6	Spanish (es) Función inyectiva		775
7	Chinese (zh) 单射		558
8	Japanese (ja) 単射		500
9	Portuguese (pt) Função injectiva		369
10	Hebrew (he) פונקציה חד-חד-ערכית		358

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

#	Language	AI award	Relative AI
1	English (en) Injective function		203
2	German (de) Injektive Funktion		134
3	Italian (it) Funzione iniettiva		90
4	French (fr) Injection (mathématiques)		88
5	Spanish (es) Función inyectiva		86
6	Russian (ru) Инъекция (математика)		58
7	Hebrew (he) פונקציה חד-חד-ערכית		50
8	Dutch (nl) Injectie (wiskunde)		47
9	Polish (pl) Funkcja różnowartościowa		43
10	Japanese (ja) 単射		41

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	Arabic (ar) دالة متباينة		1
2	Basque (eu) Funtzio injektibo		1
3	Persian (fa) تابع یک‌به‌یک		1
4	French (fr) Injection (mathématiques)		1
5	Hebrew (he) פונקציה חד-חד-ערכית		1
6	Croatian (hr) Injektivna funkcija		1
7	Italian (it) Funzione iniettiva		1
8	Polish (pl) Funkcja różnowartościowa		1
9	Tamil (ta) உள்ளிடுகோப்பு		1
10	Belarusian (be) Ін’екцыя (матэматыка)		0

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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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