Set theory

Quality:

Set theory - branch of mathematics that studies sets, which are collections of objects. Article “Set theory” in Simple English Wikipedia has 28.4 points for quality (as of July 1, 2026). The article contains 5 references and 5 sections.

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

Achievements in all the time:

Simple English Wikipedia:

sim

The 8404^th most editable in Simple English Wikipedia.

Global Wikipedia:

The 9040^th most popular in AI.

Since the creation of article “Set theory”, its content was written by 27 registered users of Simple English Wikipedia (8404^th place) and edited by 2697 registered Wikipedia users in all languages (9040^th place).

The article is cited 86 times in Simple English Wikipedia and cited 11821 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #264 in August 2010
• Global: #3 in February 2001

The highest popularity rank from 2008:

• Local (Simple English): #3425 in February 2009
• Global: #4107 in September 2008

There are 55 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	Esperanto (eo) Aro-teorio		84.257
2	English (en) Set theory		79.1587
3	Basque (eu) Multzo-teoria		59.6693
4	Latin (la) Theoria classium		58.2685
5	Spanish (es) Teoría de conjuntos		52.3666
6	Russian (ru) Теория множеств		49.9997
7	Chinese (zh) 集合论		49.9311
8	Polish (pl) Teoria mnogości		48.8985
9	Ukrainian (uk) Теорія множин		44.3593
10	Tamil (ta) கணக் கோட்பாடு		41.8082

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

#	Language	Popularity award	Relative popularity
1	English (en) Set theory		7 849 159
2	Spanish (es) Teoría de conjuntos		7 062 703
3	German (de) Mengenlehre		2 651 615
4	Russian (ru) Теория множеств		1 486 916
5	Portuguese (pt) Teoria dos conjuntos		1 059 621
6	French (fr) Théorie des ensembles		858 136
7	Italian (it) Teoria degli insiemi		542 651
8	Japanese (ja) 集合論		468 330
9	Polish (pl) Teoria mnogości		463 444
10	Chinese (zh) 集合论		342 432

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) Set theory		16 605
2	German (de) Mengenlehre		2 941
3	Russian (ru) Теория множеств		2 257
4	Spanish (es) Teoría de conjuntos		2 144
5	French (fr) Théorie des ensembles		1 892
6	Lithuanian (lt) Aibių teorija		1 372
7	Japanese (ja) 集合論		1 101
8	Chinese (zh) 集合论		1 036
9	Polish (pl) Teoria mnogości		803
10	Portuguese (pt) Teoria dos conjuntos		658

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

#	Language	AI award	Relative AI
1	English (en) Set theory		548
2	German (de) Mengenlehre		247
3	Spanish (es) Teoría de conjuntos		202
4	French (fr) Théorie des ensembles		158
5	Russian (ru) Теория множеств		126
6	Italian (it) Teoria degli insiemi		94
7	Dutch (nl) Verzamelingenleer		83
8	Portuguese (pt) Teoria dos conjuntos		78
9	Hebrew (he) תורת הקבוצות		67
10	Polish (pl) Teoria mnogości		62

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) Set theory		2
2	Spanish (es) Teoría de conjuntos		2
3	Italian (it) Teoria degli insiemi		2
4	Chinese (zh) 集合论		2
5	Arabic (ar) نظرية المجموعات		1
6	Esperanto (eo) Aro-teorio		1
7	Basque (eu) Multzo-teoria		1
8	Lithuanian (lt) Aibių teorija		1
9	Polish (pl) Teoria mnogości		1
10	Azerbaijani (az) Çoxluqlar nəzəriyyəsi		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