Empty set

Quality:

Empty set - set (in mathematics) containing no elements. Article “Empty set” in Simple English Wikipedia has 25.2 points for quality (as of July 1, 2026). The article contains 3 references and 2 sections.

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

Since the creation of article “Empty set”, its content was written by 12 registered users of Simple English Wikipedia and edited by 1517 registered Wikipedia users in all languages.

The article is cited 28 times in Simple English Wikipedia and cited 6172 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #367 in February 2009
• Global: #347 in April 2002

The highest popularity rank from 2008:

• Local (Simple English): #8855 in August 2010
• Global: #18400 in February 2021

There are 51 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	Catalan (ca) Conjunt buit		55.6889
2	English (en) Empty set		44.4866
3	Latin (la) Copia vacua		36.6501
4	French (fr) Ensemble vide		34.7904
5	Spanish (es) Conjunto vacío		34.6721
6	Tamil (ta) வெற்றுக் கணம்		31.755
7	Chinese (zh) 空集		30.5116
8	Malay (ms) Set kosong		28.1204
9	Norwegian (no) Den tomme mengden		28.033
10	Estonian (et) Tühi hulk		28.0217

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

#	Language	Popularity award	Relative popularity
1	English (en) Empty set		2 690 638
2	Spanish (es) Conjunto vacío		1 668 980
3	Japanese (ja) 空集合		691 304
4	German (de) Leere Menge		613 622
5	Russian (ru) Пустое множество		514 421
6	French (fr) Ensemble vide		417 985
7	Portuguese (pt) Conjunto vazio		349 241
8	Chinese (zh) 空集		278 952
9	Vietnamese (vi) Tập hợp rỗng		245 586
10	Persian (fa) مجموعه تهی		238 832

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) Empty set		6 136
2	Japanese (ja) 空集合		2 098
3	French (fr) Ensemble vide		948
4	Russian (ru) Пустое множество		854
5	German (de) Leere Menge		758
6	Chinese (zh) 空集		616
7	Spanish (es) Conjunto vacío		550
8	Persian (fa) مجموعه تهی		243
9	Vietnamese (vi) Tập hợp rỗng		218
10	Polish (pl) Zbiór pusty		210

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

#	Language	AI award	Relative AI
1	English (en) Empty set		269
2	German (de) Leere Menge		130
3	French (fr) Ensemble vide		106
4	Italian (it) Insieme vuoto		72
5	Hebrew (he) הקבוצה הריקה		63
6	Japanese (ja) 空集合		62
7	Russian (ru) Пустое множество		59
8	Spanish (es) Conjunto vacío		57
9	Dutch (nl) Lege verzameling		49
10	Chinese (zh) 空集		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) مجموعة خالية		2
2	Serbian (sr) Празан скуп		2
3	Catalan (ca) Conjunt buit		1
4	Basque (eu) Multzo huts		1
5	French (fr) Ensemble vide		1
6	Romanian (ro) Mulțime vidă		1
7	Thai (th) เซตว่าง		1
8	Ukrainian (uk) Порожня множина		1
9	Azerbaijani (az) Boş çoxluq		0
10	Belarusian (be) Пустое мноства		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