2026-4-27 21,000 items added to the National Diet Library Digital Collections

As of April, 2026, 21,000 items have been added to the National Diet Library Digital Collections, as detailed below.

Collection	Number of additional items
Books	17,500
Periodicals	51
Rare Books and Old Materials	2,800
Doctoral Dissertations	71
Materials on the Allied Occupation of Japan	200
Audio-Visual materials	79
Collections from Other Institutions	36
Packaged Digital Publications	2