Process capability index

Process capability index - statistical measure of process capability. Article “Process capability index” in English Wikipedia has 21.9 points for quality (as of July 1, 2026). The article contains 5 references and 7 sections.

This article has the best quality in German Wikipedia. Also, this article is the most popular in that (English) language version.

Since the creation of article “Process capability index”, its content was written by 55 registered users of English Wikipedia and edited by 171 registered Wikipedia users in all languages.

The article is cited 12 times in English Wikipedia and cited 51 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #81932 in December 2009
• Global: #101777 in February 2009

The highest popularity rank from 2008:

• Local (English): #25991 in April 2015
• Global: #24896 in April 2015

There are 9 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	German (de) Prozessfähigkeitsindex		24.1948
2	English (en) Process capability index		21.8884
3	Czech (cs) Index způsobilosti procesu		13.3171
4	Japanese (ja) 工程能力指数		12.7963
5	Arabic (ar) مؤشر القدرة العملية		12.5624
6	Catalan (ca) Índex de capacitat del procés		12.0644
7	Spanish (es) Índice de capacidad del proceso		11.5268
8	Korean (ko) 공정능력지수		5.3951
9	Swedish (sv) Kapabilitetsindex		1.0736

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

The most popular language versions of the article "Process capability index" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Process capability index		3 328 981
2	German (de) Prozessfähigkeitsindex		1 884 278
3	Japanese (ja) 工程能力指数		1 392 735
4	Spanish (es) Índice de capacidad del proceso		511 793
5	Korean (ko) 공정능력지수		248 847
6	Czech (cs) Index způsobilosti procesu		69 861
7	Swedish (sv) Kapabilitetsindex		19 801
8	Arabic (ar) مؤشر القدرة العملية		7 756
9	Catalan (ca) Índex de capacitat del procés		2 051

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Process capability index" in June 2026

#	Language	Popularity award	Relative popularity
1	German (de) Prozessfähigkeitsindex		2 530
2	English (en) Process capability index		1 841
3	Japanese (ja) 工程能力指数		308
4	Korean (ko) 공정능력지수		193
5	Spanish (es) Índice de capacidad del proceso		110
6	Czech (cs) Index způsobilosti procesu		93
7	Swedish (sv) Kapabilitetsindex		25
8	Catalan (ca) Índex de capacitat del procés		8
9	Arabic (ar) مؤشر القدرة العملية		0

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

Language versions of the article "Process capability index" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Prozessfähigkeitsindex		59
2	English (en) Process capability index		55
3	Spanish (es) Índice de capacidad del proceso		11
4	Japanese (ja) 工程能力指数		10
5	Swedish (sv) Kapabilitetsindex		10
6	Catalan (ca) Índex de capacitat del procés		8
7	Korean (ko) 공정능력지수		8
8	Czech (cs) Index způsobilosti procesu		7
9	Arabic (ar) مؤشر القدرة العملية		3

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

Language versions of the article "Process capability index" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) مؤشر القدرة العملية		0
2	Catalan (ca) Índex de capacitat del procés		0
3	Czech (cs) Index způsobilosti procesu		0
4	German (de) Prozessfähigkeitsindex		0
5	English (en) Process capability index		0
6	Spanish (es) Índice de capacidad del proceso		0
7	Japanese (ja) 工程能力指数		0
8	Korean (ko) 공정능력지수		0
9	Swedish (sv) Kapabilitetsindex		0

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

Language versions of the article "Process capability index" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	German (de) Prozessfähigkeitsindex		16
2	English (en) Process capability index		12
3	Japanese (ja) 工程能力指数		5
4	Arabic (ar) مؤشر القدرة العملية		4
5	Spanish (es) Índice de capacidad del proceso		4
6	Swedish (sv) Kapabilitetsindex		4
7	Czech (cs) Index způsobilosti procesu		3
8	Korean (ko) 공정능력지수		2
9	Catalan (ca) Índex de capacitat del procés		1

More...

#	Language	Value
ar	Arabic مؤشر القدرة العملية
ca	Catalan Índex de capacitat del procés
cs	Czech Index způsobilosti procesu
de	German Prozessfähigkeitsindex
en	English Process capability index
es	Spanish Índice de capacidad del proceso
ja	Japanese 工程能力指数
ko	Korean 공정능력지수
sv	Swedish Kapabilitetsindex

Best Rank

English: #25991 04.2015

Global: #24896 04.2015

Best Rank

English: #81932 12.2009

Global: #101777 02.2009

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 English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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