National Diet Library

Quality:

National Diet Library - national library in Japan. This building is the 907^th most popular in the global Wikipedia ranking of buildings and the 171^st most popular building in Simple English Wikipedia. Article “National Diet Library” in Simple English Wikipedia has 19.8 points for quality (as of July 1, 2026). 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 171^st most popular in buildings in Simple English Wikipedia.

Global Wikipedia:

The 907^th most popular in buildings.

Achievements in the last month:

Simple English Wikipedia:

sim

The 4221^st most editable in Simple English Wikipedia in the last month.

In June 2026 the article “National Diet Library” was edited by 1 authors in Simple English Wikipedia (4221^st place) and written by 9 authors in all languages.

Since the creation of article “National Diet Library”, its content was written by 13 registered users of Simple English Wikipedia and edited by 878 registered Wikipedia users in all languages.

National Diet Library is on the 171^st place in local ranking of buildings in Simple English Wikipedia and on the 907^th place in global ranking of buildings in all the time.

The article is cited 213 times in Simple English Wikipedia and cited 407243 times in all languages (231^st place).

The highest Authors Interest rank from 2001:

• Local (Simple English): #1756 in July 2013
• Global: #3491 in November 2003

The highest popularity rank from 2008:

• Local (Simple English): #3760 in July 2020
• Global: #46041 in November 2019

There are 42 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	Japanese (ja) 国立国会図書館		69.973
2	English (en) National Diet Library		58.7529
3	Catalan (ca) Biblioteca Nacional de la Dieta del Japó		55.8866
4	Slovenian (sl) Japonska nacionalna knjižnica		54.5302
5	Chinese (zh) 國立國會圖書館		48.7493
6	Serbian (sr) Nacionalna parlamentarna biblioteka Japana		41.4688
7	Min Nan (zhminnan) Kok-li̍p Kok-hōe Tô͘-su-koán		40.1536
8	Greek (el) Εθνική Βιβλιοθήκη της Δίαιτας της Ιαπωνίας		36.2145
9	Spanish (es) Biblioteca Nacional de la Dieta		35.637
10	Finnish (fi) Japanin parlamentin kirjasto		33.9362

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		1 898 378
2	English (en) National Diet Library		1 182 076
3	Chinese (zh) 國立國會圖書館		123 615
4	Russian (ru) Национальная парламентская библиотека (Япония)		112 693
5	Spanish (es) Biblioteca Nacional de la Dieta		84 548
6	Korean (ko) 국립국회도서관		75 362
7	Italian (it) Biblioteca della Dieta nazionale del Giappone		51 264
8	German (de) Nationale Parlamentsbibliothek		48 992
9	Danish (da) Nationale parlamentsbibliotek		44 751
10	Arabic (ar) مكتبة البرلمان الوطني		44 625

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		6 436
2	English (en) National Diet Library		1 720
3	Chinese (zh) 國立國會圖書館		432
4	Spanish (es) Biblioteca Nacional de la Dieta		231
5	Russian (ru) Национальная парламентская библиотека (Япония)		191
6	Italian (it) Biblioteca della Dieta nazionale del Giappone		156
7	Greek (el) Εθνική Βιβλιοθήκη της Δίαιτας της Ιαπωνίας		114
8	Catalan (ca) Biblioteca Nacional de la Dieta del Japó		97
9	German (de) Nationale Parlamentsbibliothek		90
10	Turkish (tr) Millî Diyet Kütüphanesi		80

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		247
2	English (en) National Diet Library		126
3	German (de) Nationale Parlamentsbibliothek		73
4	Chinese (zh) 國立國會圖書館		55
5	Italian (it) Biblioteca della Dieta nazionale del Giappone		43
6	Russian (ru) Национальная парламентская библиотека (Япония)		42
7	Spanish (es) Biblioteca Nacional de la Dieta		28
8	Hebrew (he) ספריית הדיאט הלאומית		27
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	Arabic (ar) مكتبة البرلمان الوطني		1
2	Catalan (ca) Biblioteca Nacional de la Dieta del Japó		1
3	Italian (it) Biblioteca della Dieta nazionale del Giappone		1
4	Japanese (ja) 国立国会図書館		1
5	Romanian (ro) Biblioteca Națională a Dietei		1
6	Simple English (simple) National Diet Library		1
7	Serbian (sr) Nacionalna parlamentarna biblioteka Japana		1
8	Turkish (tr) Millî Diyet Kütüphanesi		1
9	Urdu (ur) پارلیمانی کتب خانہ جاپان		1
10	Belarusian (be) Нацыянальная парламенцкая бібліятэка Японіі		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 Simple English Wikipedia the most popular articles on that day were: List of European countries, Black, List of sex positions, 2026 Iran war, Suresh Raina, Politics of Germany, Academy Award for Best Director, 2020, DYSS-TV, 2022.

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