Quantum mechanics

Quality:

Quantum mechanics - fundamental theory in physics describing the properties of nature on an atomic scale. Article “Quantum mechanics” in English Wikipedia has 91.1 points for quality (as of July 1, 2026). The article contains 133 references and 24 sections.

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

Achievements in all the time:

English Wikipedia:

en

The 1820^th most popular in English Wikipedia.

en

The 1083^rd most editable in English Wikipedia.

Global Wikipedia:

The 1164^th most popular in all topics.

The 935^th most popular in AI.

Achievements in the last month:

English Wikipedia:

en

The 8717^th most popular in English Wikipedia in the last month.

en

The 7707^th most editable in English Wikipedia in the last month.

Global Wikipedia:

The 6169^th most popular in all topics in the last month.

The 4543^rd most popular in AI in the last month.

In June 2026 the article “Quantum mechanics” was edited by 9 authors in English Wikipedia (7707^th place) and written by 31 authors in all languages (4543^rd place).

Since the creation of article “Quantum mechanics”, its content was written by 1917 registered users of English Wikipedia (1083^rd place) and edited by 6570 registered Wikipedia users in all languages (935^th place).

The article is cited 4387 times in English Wikipedia (5946^th place) and cited 33007 times in all languages (5138^th place).

The highest Authors Interest rank from 2001:

• Local (English): #10 in December 2001
• Global: #12 in December 2001

The highest popularity rank from 2008:

• Local (English): #1135 in September 2020
• Global: #843 in September 2008

There are 54 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	Russian (ru) Квантовая механика		94.2564
2	Chinese (zh) 量子力学		92.2606
3	English (en) Quantum mechanics		91.128
4	German (de) Quantenmechanik		87.4867
5	Portuguese (pt) Mecânica quântica		80.7932
6	Vietnamese (vi) Cơ học lượng tử		76.2962
7	Italian (it) Meccanica quantistica		73.0831
8	Norwegian (no) Kvantemekanikk		69.8002
9	Indonesian (id) Mekanika kuantum		68.6165
10	Arabic (ar) ميكانيكا الكم		63.7252

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

#	Language	Popularity award	Relative popularity
1	English (en) Quantum mechanics		34 894 635
2	Spanish (es) Mecánica cuántica		12 134 088
3	Portuguese (pt) Mecânica quântica		3 782 663
4	Italian (it) Meccanica quantistica		3 744 991
5	Japanese (ja) 量子力学		3 692 178
6	Russian (ru) Квантовая механика		3 527 246
7	French (fr) Mécanique quantique		3 085 566
8	German (de) Quantenmechanik		2 997 075
9	Chinese (zh) 量子力学		2 550 585
10	Polish (pl) Mechanika kwantowa		1 984 115

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) Quantum mechanics		65 670
2	Spanish (es) Mecánica cuántica		7 636
3	Japanese (ja) 量子力学		7 349
4	Russian (ru) Квантовая механика		5 940
5	Italian (it) Meccanica quantistica		5 298
6	German (de) Quantenmechanik		5 284
7	Chinese (zh) 量子力学		5 151
8	French (fr) Mécanique quantique		5 067
9	Portuguese (pt) Mecânica quântica		3 404
10	Polish (pl) Mechanika kwantowa		2 966

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

#	Language	AI award	Relative AI
1	English (en) Quantum mechanics		1 917
2	German (de) Quantenmechanik		465
3	French (fr) Mécanique quantique		351
4	Spanish (es) Mecánica cuántica		336
5	Italian (it) Meccanica quantistica		285
6	Russian (ru) Квантовая механика		216
7	Dutch (nl) Kwantummechanica		195
8	Hebrew (he) מכניקת הקוונטים		187
9	Chinese (zh) 量子力学		183
10	Portuguese (pt) Mecânica quântica		177

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) Quantum mechanics		9
2	Spanish (es) Mecánica cuántica		2
3	Kazakh (kk) Кванттық механика		2
4	Polish (pl) Mechanika kwantowa		2
5	Portuguese (pt) Mecânica quântica		2
6	Turkish (tr) Kuantum mekaniği		2
7	German (de) Quantenmechanik		1
8	Esperanto (eo) Kvantuma mekaniko		1
9	Basque (eu) Mekanika kuantiko		1
10	Hungarian (hu) Kvantummechanika		1

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 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