Probability theory

Quality:

Probability theory - branch of mathematics concerning probability. Article "Probability theory" in Simple English Wikipedia has 41.7 points for quality (as of July 1, 2025). The article contains 27 references and 4 sections.

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

Since the creation of article "Probability theory", its content was written by 14 registered users of Simple English Wikipedia and edited by 2359 registered Wikipedia users in all languages.

The article is cited 70 times in Simple English Wikipedia and cited 14403 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #931 in January 2021
• Global: #17 in February 2001

The highest popularity rank from 2008:

• Local (Simple English): #3067 in June 2010
• Global: #6429 in June 2010

There are 53 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	French (fr) Théorie des probabilités		76.5751
2	Chinese (zh) 概率论		43.299
3	English (en) Probability theory		42.0082
4	Simple English (simple) Probability theory		41.7187
5	Catalan (ca) Teoria de la probabilitat		40.9869
6	German (de) Wahrscheinlichkeitstheorie		39.6366
7	Ukrainian (uk) Теорія ймовірностей		36.7044
8	Malay (ms) Teori kebarangkalian		33.8701
9	Finnish (fi) Todennäköisyysteoria		30.6486
10	Russian (ru) Теория вероятностей		29.4207

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

#	Language	Popularity award	Relative popularity
1	English (en) Probability theory		5 311 667
2	Russian (ru) Теория вероятностей		2 957 831
3	Spanish (es) Teoría de la probabilidad		2 862 566
4	German (de) Wahrscheinlichkeitstheorie		1 802 534
5	Japanese (ja) 確率論		795 401
6	Arabic (ar) نظرية الاحتمال		706 592
7	Chinese (zh) 概率论		701 215
8	French (fr) Théorie des probabilités		618 486
9	Polish (pl) Teoria prawdopodobieństwa		560 740
10	Portuguese (pt) Teoria das probabilidades		481 605

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) Probability theory		14 173
2	Russian (ru) Теория вероятностей		4 294
3	Spanish (es) Teoría de la probabilidad		3 063
4	German (de) Wahrscheinlichkeitstheorie		2 452
5	Chinese (zh) 概率论		1 861
6	French (fr) Théorie des probabilités		1 636
7	Japanese (ja) 確率論		1 089
8	Polish (pl) Teoria prawdopodobieństwa		779
9	Arabic (ar) نظرية الاحتمال		602
10	Azerbaijani (az) Ehtimal nəzəriyyəsi		594

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

#	Language	AI award	Relative AI
1	English (en) Probability theory		307
2	German (de) Wahrscheinlichkeitstheorie		215
3	Russian (ru) Теория вероятностей		153
4	French (fr) Théorie des probabilités		137
5	Spanish (es) Teoría de la probabilidad		128
6	Chinese (zh) 概率论		98
7	Dutch (nl) Kansrekening		78
8	Italian (it) Teoria della probabilità		71
9	Norwegian (no) Sannsynlighetsteori		71
10	Japanese (ja) 確率論		64

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	Esperanto (eo) Probablo-teorio		3
2	German (de) Wahrscheinlichkeitstheorie		2
3	Urdu (ur) نظریۂ احتمال		2
4	Kazakh (kk) Ықтималдық теориясы		1
5	Polish (pl) Teoria prawdopodobieństwa		1
6	Arabic (ar) نظرية الاحتمال		0
7	Azerbaijani (az) Ehtimal nəzəriyyəsi		0
8	Belarusian (be) Тэорыя імавернасцей		0
9	Bulgarian (bg) Теория на вероятностите		0
10	Catalan (ca) Teoria de la probabilitat		0

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

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

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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