National Diet Library

Quality:

National Diet Library - national library in Japan. This building is the 888^th most popular in the global Wikipedia ranking of buildings and the 165^th most popular building in Simple English Wikipedia. Article “National Diet Library” in Simple English Wikipedia has 21.4 points for quality (as of July 1, 2025). The article contains 3 references and 3 sections.

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

Achievements in all the time:

Simple English Wikipedia:

The 165^th most popular in buildings in Simple English Wikipedia.

Global Wikipedia:

The 888^th most popular in buildings.

Since the creation of article “National Diet Library”, its content was written by 12 registered users of Simple English Wikipedia and edited by 847 registered Wikipedia users in all languages.

National Diet Library is on the 165^th place in local ranking of buildings in Simple English Wikipedia and on the 888^th place in global ranking of buildings in all the time.

The article is cited 213 times in Simple English Wikipedia and cited 378176 times in all languages (246^th place).

The highest Authors Interest rank from 2001:

• Local (Simple English): #1759 in July 2013
• Global: #5617 in November 2003

The highest popularity rank from 2008:

• Local (Simple English): #3750 in July 2020
• Global: #45743 in November 2019

There are 41 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	Japanese (ja) 国立国会図書館		74.5054
2	English (en) National Diet Library		64.5003
3	Catalan (ca) Biblioteca Nacional de la Dieta del Japó		55.7682
4	Chinese (zh) 國立國會圖書館		54.9304
5	Slovenian (sl) Japonska nacionalna knjižnica		54.7649
6	Serbian (sr) Nacionalna parlamentarna biblioteka Japana		41.4993
7	Min Nan (zhminnan) Kok-li̍p Kok-hōe Tô͘-su-koán		40.1536
8	Spanish (es) Biblioteca Nacional de la Dieta		36.1
9	Greek (el) Εθνική Βιβλιοθήκη της Δίαιτας της Ιαπωνίας		36.044
10	Finnish (fi) Japanin parlamentin kirjasto		34.2879

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

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 国立国会図書館		1 829 146
2	English (en) National Diet Library		1 159 689
3	Chinese (zh) 國立國會圖書館		116 681
4	Russian (ru) Национальная парламентская библиотека (Япония)		104 482
5	Spanish (es) Biblioteca Nacional de la Dieta		82 034
6	Korean (ko) 국립국회도서관		74 482
7	Italian (it) Biblioteca della Dieta nazionale del Giappone		49 332
8	German (de) Nationale Parlamentsbibliothek		48 100
9	Danish (da) Nationale parlamentsbibliotek		44 494
10	Arabic (ar) مكتبة البرلمان الوطني		44 265

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

#	Language	Popularity award	Relative popularity
1	Japanese (ja) 国立国会図書館		7 631
2	English (en) National Diet Library		2 683
3	Russian (ru) Национальная парламентская библиотека (Япония)		747
4	Chinese (zh) 國立國會圖書館		443
5	Greek (el) Εθνική Βιβλιοθήκη της Δίαιτας της Ιαπωνίας		320
6	Spanish (es) Biblioteca Nacional de la Dieta		234
7	Italian (it) Biblioteca della Dieta nazionale del Giappone		229
8	German (de) Nationale Parlamentsbibliothek		177
9	Czech (cs) Národní parlamentní knihovna Japonska		116
10	Simple English (simple) National Diet Library		116

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

#	Language	AI award	Relative AI
1	Japanese (ja) 国立国会図書館		237
2	English (en) National Diet Library		119
3	German (de) Nationale Parlamentsbibliothek		73
4	Chinese (zh) 國立國會圖書館		52
5	Russian (ru) Национальная парламентская библиотека (Япония)		42
6	Italian (it) Biblioteca della Dieta nazionale del Giappone		41
7	Spanish (es) Biblioteca Nacional de la Dieta		28
8	Hebrew (he) ספריית הדיאט הלאומית		26
9	Esperanto (eo) Nacia Biblioteko de Dieto		17
10	French (fr) Bibliothèque nationale de la Diète		17

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	Japanese (ja) 国立国会図書館		2
2	Spanish (es) Biblioteca Nacional de la Dieta		1
3	Arabic (ar) مكتبة البرلمان الوطني		0
4	Belarusian (be) Нацыянальная парламенцкая бібліятэка Японіі		0
5	Bulgarian (bg) Национална парламентарна библиотека (Япония)		0
6	Catalan (ca) Biblioteca Nacional de la Dieta del Japó		0
7	Czech (cs) Národní parlamentní knihovna Japonska		0
8	Danish (da) Nationale parlamentsbibliotek		0
9	German (de) Nationale Parlamentsbibliothek		0
10	Greek (el) Εθνική Βιβλιοθήκη της Δίαιτας της Ιαπωνίας		0

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

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

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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