Four color theorem

Quality:

Four color theorem - statement in mathematics. Article “Four color theorem” in Simple English Wikipedia has 51.1 points for quality (as of July 1, 2026). The article contains 4 references and 9 sections.

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

Since the creation of article “Four color theorem”, its content was written by 31 registered users of Simple English Wikipedia (6538^th place) and edited by 1991 registered Wikipedia users in all languages.

The article is cited 7 times in Simple English Wikipedia and cited 1229 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #265 in February 2013
• Global: #88 in March 2002

The highest popularity rank from 2008:

• Local (Simple English): #2328 in May 2013
• Global: #13625 in March 2015

There are 44 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	Chinese (zh) 四色定理		94.7464
2	Catalan (ca) Teorema dels quatre colors		74.893
3	English (en) Four color theorem		73.9185
4	German (de) Vier-Farben-Satz		53.7562
5	Simple English (simple) Four color theorem		51.1443
6	Greek (el) Θεώρημα των τεσσάρων χρωμάτων		45.247
7	Spanish (es) Teorema de los cuatro colores		37.2629
8	Russian (ru) Теорема о четырёх красках		36.2112
9	Croatian (hr) Poučak o četiri boje		33.7451
10	Basque (eu) Lau koloreen teorema		32.7174

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

#	Language	Popularity award	Relative popularity
1	English (en) Four color theorem		3 971 857
2	Japanese (ja) 四色定理		1 613 890
3	Chinese (zh) 四色定理		585 325
4	German (de) Vier-Farben-Satz		531 580
5	Russian (ru) Теорема о четырёх красках		520 215
6	Spanish (es) Teorema de los cuatro colores		495 123
7	French (fr) Théorème des quatre couleurs		338 863
8	Italian (it) Teorema dei quattro colori		206 003
9	Polish (pl) Twierdzenie o czterech barwach		127 429
10	Portuguese (pt) Teorema das quatro cores		122 126

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) Four color theorem		10 404
2	Japanese (ja) 四色定理		2 979
3	Chinese (zh) 四色定理		1 457
4	Russian (ru) Теорема о четырёх красках		1 068
5	German (de) Vier-Farben-Satz		1 047
6	French (fr) Théorème des quatre couleurs		887
7	Spanish (es) Teorema de los cuatro colores		644
8	Italian (it) Teorema dei quattro colori		538
9	Polish (pl) Twierdzenie o czterech barwach		353
10	Korean (ko) 4색 정리		352

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

#	Language	AI award	Relative AI
1	English (en) Four color theorem		532
2	German (de) Vier-Farben-Satz		199
3	Russian (ru) Теорема о четырёх красках		122
4	French (fr) Théorème des quatre couleurs		104
5	Japanese (ja) 四色定理		100
6	Chinese (zh) 四色定理		94
7	Italian (it) Teorema dei quattro colori		83
8	Spanish (es) Teorema de los cuatro colores		77
9	Hebrew (he) משפט ארבעת הצבעים		59
10	Hungarian (hu) Négyszín-tétel		58

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	English (en) Four color theorem		2
2	Arabic (ar) مبرهنة الألوان الأربعة		1
3	Basque (eu) Lau koloreen teorema		1
4	Hebrew (he) משפט ארבעת הצבעים		1
5	Chinese (zh) 四色定理		1
6	Azerbaijani (az) Dörd boya problemi		0
7	Catalan (ca) Teorema dels quatre colors		0
8	Czech (cs) Problém čtyř barev		0
9	Danish (da) Firfarveproblemet		0
10	German (de) Vier-Farben-Satz		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