PIRLS

Progress in International Reading Literacy Study - international study of reading comprehension. Article “PIRLS” in Czech Wikipedia has 35.8 points for quality (as of July 1, 2026). The article contains 17 references and 17 sections.

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

Since the creation of article “PIRLS”, its content was written by 7 registered users of Czech Wikipedia and edited by 158 registered Wikipedia users in all languages.

The article is cited 1 times in Czech Wikipedia and cited 634 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Czech): #514 in May 2020
• Global: #64854 in May 2023

The highest popularity rank from 2008:

• Local (Czech): #88055 in May 2025
• Global: #111514 in December 2010

There are 15 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) Progress in International Reading Literacy Study		60.3672
2	Hebrew (he) מחקר התקדמות באוריינות קריאה בין-לאומית		38.5808
3	Czech (cs) PIRLS		35.8115
4	Dutch (nl) Progress in International Reading Literacy Study		33.2574
5	Portuguese (pt) Estudo Internacional de Progresso em Leitura		30.3472
6	Urdu (ur) بین الاقوامی پڑھنے کی خواندگی کے مطالعہ میں پیش رفت		30.1076
7	French (fr) Programme international de recherche en lecture scolaire		26.7643
8	Russian (ru) PIRLS		25.6725
9	Arabic (ar) الدراسة الدولية لقياس مدى تقدم القراءة في العالم		19.9129
10	German (de) IGLU-Studie		18.8215

More...

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

The most popular language versions of the article "PIRLS" in all the time

#	Language	Popularity award	Relative popularity
1	German (de) IGLU-Studie		337 054
2	English (en) Progress in International Reading Literacy Study		213 628
3	Uzbek (uz) PIRLS		142 125
4	Russian (ru) PIRLS		130 981
5	French (fr) Programme international de recherche en lecture scolaire		31 005
6	Chinese (zh) 促進國際閱讀素養研究		12 089
7	Arabic (ar) الدراسة الدولية لقياس مدى تقدم القراءة في العالم		11 927
8	Swedish (sv) Pirls		4 866
9	Norwegian (no) PIRLS		4 690
10	Czech (cs) PIRLS		3 058

More...

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 "PIRLS" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Progress in International Reading Literacy Study		921
2	German (de) IGLU-Studie		280
3	Uzbek (uz) PIRLS		267
4	Russian (ru) PIRLS		120
5	Chinese (zh) 促進國際閱讀素養研究		69
6	French (fr) Programme international de recherche en lecture scolaire		42
7	Swedish (sv) Pirls		18
8	Hebrew (he) מחקר התקדמות באוריינות קריאה בין-לאומית		13
9	Czech (cs) PIRLS		12
10	Norwegian (no) PIRLS		10

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Progress in International Reading Literacy Study		46
2	Hebrew (he) מחקר התקדמות באוריינות קריאה בין-לאומית		19
3	German (de) IGLU-Studie		18
4	French (fr) Programme international de recherche en lecture scolaire		12
5	Uzbek (uz) PIRLS		11
6	Russian (ru) PIRLS		9
7	Swedish (sv) Pirls		9
8	Czech (cs) PIRLS		7
9	Norwegian (no) PIRLS		7
10	Chinese (zh) 促進國際閱讀素養研究		7

More...

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

Language versions of the article "PIRLS" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) الدراسة الدولية لقياس مدى تقدم القراءة في العالم		1
2	French (fr) Programme international de recherche en lecture scolaire		1
3	Czech (cs) PIRLS		0
4	German (de) IGLU-Studie		0
5	English (en) Progress in International Reading Literacy Study		0
6	Basque (eu) PIRLS		0
7	Hebrew (he) מחקר התקדמות באוריינות קריאה בין-לאומית		0
8	Dutch (nl) Progress in International Reading Literacy Study		0
9	Norwegian (no) PIRLS		0
10	Portuguese (pt) Estudo Internacional de Progresso em Leitura		0

More...

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

Language versions of the article "PIRLS" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Progress in International Reading Literacy Study		219
2	Russian (ru) PIRLS		132
3	Urdu (ur) بین الاقوامی پڑھنے کی خواندگی کے مطالعہ میں پیش رفت		92
4	Arabic (ar) الدراسة الدولية لقياس مدى تقدم القراءة في العالم		74
5	German (de) IGLU-Studie		50
6	Uzbek (uz) PIRLS		34
7	French (fr) Programme international de recherche en lecture scolaire		12
8	Chinese (zh) 促進國際閱讀素養研究		5
9	Hebrew (he) מחקר התקדמות באוריינות קריאה בין-לאומית		4
10	Swedish (sv) Pirls		4

More...

#	Language	Value
ar	Arabic الدراسة الدولية لقياس مدى تقدم القراءة في العالم
cs	Czech PIRLS
de	German IGLU-Studie
en	English Progress in International Reading Literacy Study
eu	Basque PIRLS
fr	French Programme international de recherche en lecture scolaire
he	Hebrew מחקר התקדמות באוריינות קריאה בין-לאומית
nl	Dutch Progress in International Reading Literacy Study
no	Norwegian PIRLS
pt	Portuguese Estudo Internacional de Progresso em Leitura
ru	Russian PIRLS
sv	Swedish Pirls
ur	Urdu بین الاقوامی پڑھنے کی خواندگی کے مطالعہ میں پیش رفت
uz	Uzbek PIRLS
zh	Chinese 促進國際閱讀素養研究

Best Rank

Czech: #88055 05.2025

Global: #111514 12.2010

Best Rank

Czech: #514 05.2020

Global: #64854 05.2023

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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 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