Butterfly effect

Quality:

Butterfly effect - idea that small causes can have large effects in complex or nonlinear dynamic systems. Article “Butterfly effect” in Simple English Wikipedia has 17.4 points for quality (as of July 1, 2026). The article contains 2 references and 3 sections.

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

Achievements in all the time:

Simple English Wikipedia:

sim

The 5501^st most popular in Simple English Wikipedia.

Global Wikipedia:

The 3418^th most popular in all topics.

Since the creation of article “Butterfly effect”, its content was written by 24 registered users of Simple English Wikipedia and edited by 2556 registered Wikipedia users in all languages.

The article is cited 12 times in Simple English Wikipedia and cited 1781 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #154 in October 2019
• Global: #307 in August 2001

The highest popularity rank from 2008:

• Local (Simple English): #344 in June 2020
• Global: #1626 in April 2017

There are 50 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) 蝴蝶效应		80.0676
2	English (en) Butterfly effect		78.3228
3	Catalan (ca) Efecte papallona		67.0285
4	Japanese (ja) バタフライ効果		46.9669
5	Malay (ms) Kesan kupu-kupu		42.0752
6	German (de) Schmetterlingseffekt		39.4534
7	Ukrainian (uk) Ефект метелика (математика)		36.8677
8	Korean (ko) 나비 효과		35.656
9	Hebrew (he) אפקט הפרפר		32.2857
10	Hindi (hi) तितली प्रभाव		31.3493

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

#	Language	Popularity award	Relative popularity
1	English (en) Butterfly effect		16 593 165
2	Spanish (es) Efecto mariposa		6 916 200
3	Japanese (ja) バタフライ効果		6 509 760
4	Russian (ru) Эффект бабочки		3 973 507
5	French (fr) Effet papillon		2 376 188
6	Portuguese (pt) Efeito borboleta		2 362 741
7	Chinese (zh) 蝴蝶效应		2 213 681
8	German (de) Schmetterlingseffekt		2 030 501
9	Italian (it) Effetto farfalla		1 565 726
10	Polish (pl) Efekt motyla		1 206 381

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) Butterfly effect		22 037
2	Japanese (ja) バタフライ効果		8 727
3	Russian (ru) Эффект бабочки		5 417
4	French (fr) Effet papillon		2 789
5	German (de) Schmetterlingseffekt		2 641
6	Spanish (es) Efecto mariposa		2 569
7	Chinese (zh) 蝴蝶效应		2 111
8	Persian (fa) اثر پروانه‌ای		1 632
9	Italian (it) Effetto farfalla		1 628
10	Polish (pl) Efekt motyla		1 569

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

#	Language	AI award	Relative AI
1	English (en) Butterfly effect		623
2	German (de) Schmetterlingseffekt		245
3	French (fr) Effet papillon		210
4	Spanish (es) Efecto mariposa		165
5	Hebrew (he) אפקט הפרפר		114
6	Italian (it) Effetto farfalla		112
7	Russian (ru) Эффект бабочки		111
8	Chinese (zh) 蝴蝶效应		105
9	Portuguese (pt) Efeito borboleta		84
10	Japanese (ja) バタフライ効果		74

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	Hebrew (he) אפקט הפרפר		2
2	Czech (cs) Motýlí efekt		1
3	English (en) Butterfly effect		1
4	Esperanto (eo) Papilia efiko		1
5	Korean (ko) 나비 효과		1
6	Arabic (ar) تأثير الفراشة		0
7	Azerbaijani (az) Kəpənək effekti		0
8	Bulgarian (bg) Ефект на пеперудата		0
9	Catalan (ca) Efecte papallona		0
10	Danish (da) Sommerfugleeffekten		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