Twin study

en

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Twin study

Quality:

Twin study method - human genetic study conducted on twins. Article “Twin study” in English Wikipedia has 82.5 points for quality (as of July 1, 2026). The article contains 79 references and 25 sections.

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

In June 2026 the article “Twin study” was edited by 1 authors in English Wikipedia and written by 4 authors in all languages.

Since the creation of article “Twin study”, its content was written by 201 registered users of English Wikipedia and edited by 498 registered Wikipedia users in all languages.

The article is cited 251 times in English Wikipedia and cited 832 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #10580 in July 2003
  • Global: #12079 in January 2004

The highest popularity rank from 2008:

  • Local (English): #70880 in October 2014
  • Global: #97796 in February 2019

There are 16 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Twin study
82.4916
2Chinese (zh)
双生子研究
72.9893
3Portuguese (pt)
Estudo de gêmeos
66.642
4Japanese (ja)
双生児研究
49.3285
5Hebrew (he)
מחקרי תאומים
44.8784
6German (de)
Zwillingsforschung
41.1381
7Persian (fa)
مطالعه دوقلوها
30.6458
8Spanish (es)
Estudios de gemelos
29.784
9Hungarian (hu)
Ikerkutatás
27.9697
10Ukrainian (uk)
Близнюкові методи досліджень
25.0269
More...

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

Most popular in all the time

The most popular language versions of the article "Twin study" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Twin study
1 797 753
2German (de)
Zwillingsforschung
413 219
3Russian (ru)
Близнецовый метод
165 935
4Ukrainian (uk)
Близнюкові методи досліджень
110 238
5Hebrew (he)
מחקרי תאומים
72 666
6French (fr)
Étude de jumeaux
59 992
7Chinese (zh)
双生子研究
52 139
8Spanish (es)
Estudios de gemelos
49 143
9Finnish (fi)
Kaksostutkimus
36 880
10Hungarian (hu)
Ikerkutatás
24 189
More...

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

Most popular in June 2026

The most popular language versions of the article "Twin study" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
Twin study
3 607
2German (de)
Zwillingsforschung
661
3Chinese (zh)
双生子研究
358
4Japanese (ja)
双生児研究
302
5Russian (ru)
Близнецовый метод
291
6French (fr)
Étude de jumeaux
153
7Spanish (es)
Estudios de gemelos
75
8Finnish (fi)
Kaksostutkimus
70
9Persian (fa)
مطالعه دوقلوها
69
10Portuguese (pt)
Estudo de gêmeos
63
More...

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

The highest AI

Language versions of the article "Twin study" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Twin study
201
2German (de)
Zwillingsforschung
126
3Hebrew (he)
מחקרי תאומים
51
4French (fr)
Étude de jumeaux
27
5Spanish (es)
Estudios de gemelos
16
6Finnish (fi)
Kaksostutkimus
14
7Ukrainian (uk)
Близнюкові методи досліджень
13
8Russian (ru)
Близнецовый метод
10
9Hungarian (hu)
Ikerkutatás
8
10Chinese (zh)
双生子研究
8
More...

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

The highest AI in June 2026

Language versions of the article "Twin study" with the highest AI in June 2026
#LanguageAI awardRelative AI
1German (de)
Zwillingsforschung
2
2English (en)
Twin study
1
3Japanese (ja)
双生児研究
1
4Arabic (ar)
دراسة توأمية
0
5Danish (da)
Tvillingeforskning
0
6Spanish (es)
Estudios de gemelos
0
7Persian (fa)
مطالعه دوقلوها
0
8Finnish (fi)
Kaksostutkimus
0
9French (fr)
Étude de jumeaux
0
10Hebrew (he)
מחקרי תאומים
0
More...

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

The highest CI

Language versions of the article "Twin study" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Ukrainian (uk)
Близнюкові методи досліджень
269
2English (en)
Twin study
251
3German (de)
Zwillingsforschung
102
4Hebrew (he)
מחקרי תאומים
29
5Russian (ru)
Близнецовый метод
23
6Chinese (zh)
双生子研究
22
7French (fr)
Étude de jumeaux
19
8Japanese (ja)
双生児研究
19
9Korean (ko)
쌍둥이 연구
19
10Arabic (ar)
دراسة توأمية
18
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2026:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2026:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
دراسة توأمية
daDanish
Tvillingeforskning
deGerman
Zwillingsforschung
enEnglish
Twin study
esSpanish
Estudios de gemelos
faPersian
مطالعه دوقلوها
fiFinnish
Kaksostutkimus
frFrench
Étude de jumeaux
heHebrew
מחקרי תאומים
huHungarian
Ikerkutatás
jaJapanese
双生児研究
koKorean
쌍둥이 연구
ptPortuguese
Estudo de gêmeos
ruRussian
Близнецовый метод
ukUkrainian
Близнюкові методи досліджень
zhChinese
双生子研究

Popularity rank trends

Best Rank English:
#70880
10.2014
Global:
#97796
02.2019

AI rank trends

Best Rank English:
#10580
07.2003
Global:
#12079
01.2004

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on Twin study method from Wikipedia articles about Nazi human experimentation, Twin, Josef Mengele, Three Identical Strangers and Confessions. Whereas reading the article about Twin study method people most often go to Wikipedia articles on Minnesota Twin Family Study, Twin, Maudsley Bipolar Twin Study, ISS year long mission and Twins Early Development Study.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 1 July 2026

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.

About WikiRank

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