Uncertainty principle

Quality:

Uncertainty principle - Fundamental principle in quantum physics. Article “Uncertainty principle” in Simple English Wikipedia has 57.7 points for quality (as of July 1, 2025). The article contains 7 references and 9 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 1251^st most popular in Simple English Wikipedia.

sim

The 2706^th most editable in Simple English Wikipedia.

Global Wikipedia:

The 5498^th most popular in all topics.

The 6080^th most popular in AI.

Achievements in the last month:

Simple English Wikipedia:

sim

The 3246^th most popular in Simple English Wikipedia in the last month.

Since the creation of article “Uncertainty principle”, its content was written by 49 registered users of Simple English Wikipedia (2706^th place) and edited by 3231 registered Wikipedia users in all languages (6080^th place).

The article is cited 31 times in Simple English Wikipedia and cited 6118 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Simple English): #179 in April 2013
• Global: #180 in May 2003

The highest popularity rank from 2008:

• Local (Simple English): #117 in August 2012
• Global: #3274 in September 2014

There are 49 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	Chinese (zh) 不确定性原理		91.7679
2	English (en) Uncertainty principle		89.5562
3	Portuguese (pt) Princípio da incerteza de Heisenberg		89.523
4	Italian (it) Principio di indeterminazione di Heisenberg		82.2933
5	Croatian (hr) Heisenbergovo načelo neodređenosti		66.5412
6	Simple English (simple) Uncertainty principle		57.6936
7	German (de) Heisenbergsche Unschärferelation		48.8025
8	Serbo-Croatian (sh) Načelo neodređenosti		48.0609
9	Russian (ru) Принцип неопределённости		32.5084
10	French (fr) Principe d'incertitude		31.7796

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

#	Language	Popularity award	Relative popularity
1	English (en) Uncertainty principle		16 560 205
2	Spanish (es) Relación de indeterminación de Heisenberg		3 359 847
3	German (de) Heisenbergsche Unschärferelation		2 931 196
4	Russian (ru) Принцип неопределённости		2 547 006
5	Italian (it) Principio di indeterminazione di Heisenberg		1 972 140
6	Japanese (ja) 不確定性原理		1 876 714
7	French (fr) Principe d'incertitude		1 256 566
8	Portuguese (pt) Princípio da incerteza de Heisenberg		1 212 278
9	Chinese (zh) 不确定性原理		1 139 744
10	Polish (pl) Zasada nieoznaczoności		1 066 225

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) Uncertainty principle		38 506
2	German (de) Heisenbergsche Unschärferelation		8 356
3	Russian (ru) Принцип неопределённости		5 756
4	Japanese (ja) 不確定性原理		5 684
5	Italian (it) Principio di indeterminazione di Heisenberg		5 225
6	Spanish (es) Relación de indeterminación de Heisenberg		4 627
7	French (fr) Principe d'incertitude		4 083
8	Chinese (zh) 不确定性原理		3 961
9	Polish (pl) Zasada nieoznaczoności		2 166
10	Portuguese (pt) Princípio da incerteza de Heisenberg		1 649

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

#	Language	AI award	Relative AI
1	English (en) Uncertainty principle		822
2	German (de) Heisenbergsche Unschärferelation		324
3	French (fr) Principe d'incertitude		199
4	Italian (it) Principio di indeterminazione di Heisenberg		198
5	Russian (ru) Принцип неопределённости		143
6	Spanish (es) Relación de indeterminación de Heisenberg		117
7	Japanese (ja) 不確定性原理		105
8	Dutch (nl) Onzekerheidsrelatie van Heisenberg		87
9	Hebrew (he) עקרון האי-ודאות		82
10	Polish (pl) Zasada nieoznaczoności		72

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	Finnish (fi) Heisenbergin epätarkkuusperiaate		2
2	English (en) Uncertainty principle		1
3	Persian (fa) اصل عدم قطعیت		1
4	Italian (it) Principio di indeterminazione di Heisenberg		1
5	Arabic (ar) مبدأ الريبة		0
6	Azerbaijani (az) Qeyri-müəyyənlik prinsipi		0
7	Belarusian (be) Прынцып нявызначанасці Гейзенберга		0
8	Bulgarian (bg) Съотношение на неопределеност на Хайзенберг		0
9	Catalan (ca) Principi d'incertesa de Heisenberg		0
10	Czech (cs) Princip neurčitosti		0

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

On 16 March 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 98th Academy Awards, Michael B. Jordan, Sinners, Jessie Buckley, Paul Thomas Anderson, Sean Penn, One Battle After Another, Amy Madigan, Hamnet, Timothée Chalamet.

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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