Klaus Fuchs

Quality:

Klaus Fuchs - German-born British theoretical physicist and atomic spy (1911-1988). Article “Klaus Fuchs” in Catalan Wikipedia has 33.6 points for quality (as of July 1, 2026). The article contains 17 references and 4 sections.

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

Since the creation of article “Klaus Fuchs”, its content was written by 5 registered users of Catalan Wikipedia and edited by 1269 registered Wikipedia users in all languages.

The article is cited 21 times in Catalan Wikipedia and cited 2589 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Catalan): #6302 in April 2022
• Global: #3630 in March 2003

The highest popularity rank from 2008:

• Local (Catalan): #20400 in July 2023
• Global: #1083 in July 2023

There are 33 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	English (en) Klaus Fuchs		86.1533
2	Vietnamese (vi) Klaus Fuchs		67.124
3	Norwegian (no) Klaus Fuchs		42.4653
4	German (de) Klaus Fuchs		40.1301
5	Armenian (hy) Կլաուս Ֆուքս		36.426
6	Spanish (es) Klaus Fuchs		34.3821
7	Catalan (ca) Klaus Fuchs		33.6186
8	Swedish (sv) Klaus Fuchs		31.8917
9	Ukrainian (uk) Еміль Юліус Клаус Фукс		31.6937
10	Polish (pl) Klaus Fuchs		30.59

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

#	Language	Popularity award	Relative popularity
1	English (en) Klaus Fuchs		5 087 905
2	German (de) Klaus Fuchs		963 453
3	Russian (ru) Фукс, Клаус		418 963
4	Spanish (es) Klaus Fuchs		298 877
5	Polish (pl) Klaus Fuchs		270 095
6	French (fr) Klaus Fuchs		265 175
7	Japanese (ja) クラウス・フックス		216 497
8	Italian (it) Klaus Fuchs		132 325
9	Dutch (nl) Klaus Fuchs		101 185
10	Chinese (zh) 克勞斯·富克斯		96 817

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) Klaus Fuchs		21 974
2	German (de) Klaus Fuchs		2 772
3	Russian (ru) Фукс, Клаус		2 394
4	Spanish (es) Klaus Fuchs		1 451
5	Japanese (ja) クラウス・フックス		1 125
6	Polish (pl) Klaus Fuchs		1 060
7	French (fr) Klaus Fuchs		770
8	Chinese (zh) 克勞斯·富克斯		466
9	Italian (it) Klaus Fuchs		425
10	Dutch (nl) Klaus Fuchs		339

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

#	Language	AI award	Relative AI
1	English (en) Klaus Fuchs		397
2	German (de) Klaus Fuchs		189
3	French (fr) Klaus Fuchs		79
4	Russian (ru) Фукс, Клаус		66
5	Italian (it) Klaus Fuchs		53
6	Dutch (nl) Klaus Fuchs		53
7	Hebrew (he) קלאוס פוקס		49
8	Spanish (es) Klaus Fuchs		48
9	Polish (pl) Klaus Fuchs		33
10	Hungarian (hu) Klaus Fuchs		32

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) Klaus Fuchs		5
2	Azerbaijani (az) Klaus Fuks		2
3	Arabic (ar) كلاوس فوكس		1
4	Bulgarian (bg) Клаус Фукс		0
5	Catalan (ca) Klaus Fuchs		0
6	Czech (cs) Klaus Fuchs		0
7	Danish (da) Klaus Fuchs		0
8	German (de) Klaus Fuchs		0
9	Greek (el) Κλάους Φουξ		0
10	Spanish (es) Klaus Fuchs		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 Catalan Wikipedia the most popular articles on that day were: República Democràtica del Congo, Rafael Yuste i Abel, Juan Fernández Benítez, Pere Casacuberta Camps, Rudi García, Marcel Lefebvre, Michael Olise, Marta Montaner Santomà, Vito Quiles, Fèlix el gat.

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