Cardinal number

Quality:

Cardinal number - finite or infinite number that measures cardinality (size) of sets. Article “Cardinal number” in Simple English Wikipedia has 24.8 points for quality (as of July 1, 2026). The article contains 5 references and 2 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 “Cardinal number”, its content was written by 22 registered users of Simple English Wikipedia and edited by 1025 registered Wikipedia users in all languages.

The article is cited 31 times in Simple English Wikipedia and cited 6942 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #559 in March 2005
• Global: #333 in August 2001

The highest popularity rank from 2008:

• Local (Simple English): #570 in July 2011
• Global: #21456 in September 2009

There are 35 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) Cardinal number		53.6597
2	Indonesian (id) Bilangan kardinal		35.7486
3	Portuguese (pt) Número cardinal		34.9116
4	Chinese (zh) 基数 (数学)		31.3599
5	Armenian (hy) Կարդինալ թվեր		28.3132
6	Greek (el) Πληθικός αριθμός		25.5587
7	Simple English (simple) Cardinal number		24.8238
8	Korean (ko) 기수 (수학)		22.7498
9	Norwegian (no) Kardinaltall		20.3732
10	French (fr) Nombre cardinal		18.8476

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

#	Language	Popularity award	Relative popularity
1	English (en) Cardinal number		3 690 137
2	Spanish (es) Número cardinal		2 260 851
3	Portuguese (pt) Número cardinal		863 070
4	German (de) Kardinalzahl (Mathematik)		532 502
5	Italian (it) Numero cardinale		426 756
6	French (fr) Nombre cardinal		388 771
7	Japanese (ja) 基数		256 467
8	Chinese (zh) 基数 (数学)		244 718
9	Romanian (ro) Număr cardinal		202 819
10	Persian (fa) عدد اصلی		116 483

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) Cardinal number		6 449
2	Spanish (es) Número cardinal		1 317
3	German (de) Kardinalzahl (Mathematik)		902
4	Chinese (zh) 基数 (数学)		637
5	Japanese (ja) 基数		611
6	French (fr) Nombre cardinal		489
7	Portuguese (pt) Número cardinal		363
8	Italian (it) Numero cardinale		318
9	Persian (fa) عدد اصلی		285
10	Korean (ko) 기수 (수학)		156

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

#	Language	AI award	Relative AI
1	English (en) Cardinal number		262
2	German (de) Kardinalzahl (Mathematik)		101
3	French (fr) Nombre cardinal		88
4	Spanish (es) Número cardinal		70
5	Italian (it) Numero cardinale		56
6	Chinese (zh) 基数 (数学)		38
7	Portuguese (pt) Número cardinal		34
8	Danish (da) Kardinaltal		30
9	Dutch (nl) Kardinaalgetal		28
10	Czech (cs) Kardinální číslo		23

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	Czech (cs) Kardinální číslo		1
2	Basque (eu) Zenbaki kardinal		1
3	Arabic (ar) عدد أصلي		0
4	Azerbaijani (az) Kardinal ədəd		0
5	Catalan (ca) Nombre cardinal		0
6	Danish (da) Kardinaltal		0
7	German (de) Kardinalzahl (Mathematik)		0
8	Greek (el) Πληθικός αριθμός		0
9	English (en) Cardinal number		0
10	Spanish (es) Número cardinal		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