Information

December 9th, 2025
Tokyo Main Library expected to be crowded around the year-end and New Year
December 18th, 2025
The earliest available start date for requesting materials between the Tokyo Main Library and Kansai-kan, which can be specified when applying for a visit, will change

September 1, 2025
National Diet Library is experiencing a high volume of new user registrations and requests for upgrades from simple to official registered user
July 29, 2025
Tokyo Main Library expected to be crowded during August
June 18, 2025
National Diet Library is experiencing a high volume of new user registrations and requests for upgrades from simple to official registered user
June 9, 2025
Revised Copying Fees
May 8, 2025
National Diet Library is experiencing a high volume of new user registrations and requests for upgrades from simple to official registered user
April 17, 2025
National Diet Library expected to be crowded before and after Golden Week holidays
February 7, 2025
We are experiencing a high volume of new user registrations and requests to change user information

View information for 2023

June 22, 2023
Elimination of entry restrictions of the Tokyo Main Library

View information for 2022

August 1, 2022
Tours of the Tokyo Main Library are once again available on a limited basis

*Please see the Web Archiving Project(WARP) for news from before this time.