Definitions of kindai (近代 "modern") and gendai (現代 "present") are complicated in Japanese history.
From popular culture to major historical events, Nihon Kingendaishi Jiten is notable for its extensive coverage of topics.
Fields covered in the dictionary are politics, foreign affairs, military, economy, culture, society, and education.
Within the fields covered, a total number of 3850 articles are written on organizations, systems, laws, events, social phenomena, and individuals.
Some of the major topics covered in the appendix include: a comprehensive chart of cabinet members, a list of diplomatic members from countries outside Japan, a list of mayors from the major prefectures, and the names of those who occupied prominent positions within the General Headquarters.