Since in the Constitution of the Empire of Japan, the Emperor was in a position to control the right to rule, but against that, in the Constitution of Japan, is a symbol of Japan and the unity of the Japanese people and has also adopted the principle of sovereignty with the people, disputes over whether or not the national structure of Japan changed by the establishment of the Constitution of Japan, broke out.
大日本帝国憲法では、天皇は統治権の総攬者とされていたのに対し、日本国憲法では日本国・日本国民統合の象徴とされ、かつ国民主権原理を採用したため、日本国憲法の制定により日本の国体が変わったか否かについて起きた論争。