Big O notation

Quality:

Big O notation - form of Landau notation representing asymptotically equivalent or slower growth. Article “Big O notation” in Simple English Wikipedia has 19.4 points for quality (as of July 1, 2025). The article contains 3 references and 6 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 “Big O notation”, its content was written by 21 registered users of Simple English Wikipedia and edited by 1699 registered Wikipedia users in all languages.

The article is cited 14 times in Simple English Wikipedia and cited 4146 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #769 in June 2009
• Global: #123 in March 2002

The highest popularity rank from 2008:

• Local (Simple English): #3432 in June 2024
• Global: #7042 in October 2014

There are 36 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, 2025 (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) Big O notation		64.15
2	Romanian (ro) Notația Big O		48.0285
3	Portuguese (pt) Grande-O		45.2906
4	French (fr) Comparaison asymptotique		38.6359
5	German (de) Landau-Symbole		35.1094
6	Persian (fa) نماد O بزرگ		32.8433
7	Ukrainian (uk) Нотація Ландау		31.2238
8	Esperanto (eo) Granda O		29.6401
9	Polish (pl) Asymptotyczne tempo wzrostu		28.7812
10	Turkish (tr) Büyük O gösterimi		28.0017

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

#	Language	Popularity award	Relative popularity
1	English (en) Big O notation		14 376 690
2	German (de) Landau-Symbole		1 745 570
3	Russian (ru) «O» большое и «o» малое		1 198 478
4	Japanese (ja) ランダウの記号		909 698
5	French (fr) Comparaison asymptotique		698 627
6	Chinese (zh) 大O符号		653 182
7	Polish (pl) Asymptotyczne tempo wzrostu		380 873
8	Spanish (es) Cota superior asintótica		274 006
9	Italian (it) O-grande		266 379
10	Portuguese (pt) Grande-O		206 091

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) Big O notation		25 780
2	German (de) Landau-Symbole		4 132
3	Japanese (ja) ランダウの記号		3 647
4	Russian (ru) «O» большое и «o» малое		3 411
5	Portuguese (pt) Grande-O		2 011
6	French (fr) Comparaison asymptotique		2 006
7	Chinese (zh) 大O符号		1 322
8	Simple English (simple) Big O notation		877
9	Turkish (tr) Büyük O gösterimi		830
10	Polish (pl) Asymptotyczne tempo wzrostu		765

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

#	Language	AI award	Relative AI
1	English (en) Big O notation		662
2	German (de) Landau-Symbole		182
3	French (fr) Comparaison asymptotique		108
4	Russian (ru) «O» большое и «o» малое		85
5	Chinese (zh) 大O符号		74
6	Japanese (ja) ランダウの記号		64
7	Polish (pl) Asymptotyczne tempo wzrostu		56
8	Italian (it) O-grande		52
9	Turkish (tr) Büyük O gösterimi		35
10	Hebrew (he) סימון אסימפטוטי		34

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) Big O notation		1
2	Italian (it) O-grande		1
3	Ukrainian (uk) Нотація Ландау		1
4	Arabic (ar) تمثيل O الكبرى		0
5	Azerbaijani (az) Böyük O işarələr sistemi		0
6	Belarusian (be) О-натацыя		0
7	Catalan (ca) Notació de Landau		0
8	Czech (cs) Landauova notace		0
9	German (de) Landau-Symbole		0
10	Esperanto (eo) Granda O		0

The following table shows the language versions of the article with the highest number of citations.

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, Pornhub, XXXTentacion, XVideos, List of people who have walked on the Moon, Manon Bannerman, Ajit Pawar, List of U.S. states, List of sex positions.

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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information