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List of Japanese Infantry divisions

List of Japanese Infantry divisions of the Imperial Japanese Army. During World War II, the IJA organized three Guards Divisions and over 220 infantry divisions of various types(A/Reinforced,B/Standard,C/Counter-insurgency). On 7 December the IJA had two divisions serving in Japan/Korea and 50 serving abroad, most in China. During the war another 117 were raised for foreign service and 56 were raised for national defense. These totaled 223 including the Imperial Guard. Additionally one parachute and four armored divisions were formed. Of this total no more than 35, that is one fifth of the IJA infantry division total, fought in the Pacific theatre.

IJA total amount of divisions.png
Total amount of IJA divisions, including infantry, armor, parachute, anti-air and air-service, from 1888 to 1945

Guard DivisionsEdit

The Konoe Imperial Guard of Japan was originally one Imperial Guards Division until the beginning of the Second Sino-Japanese War. It was expanded during World War II into three Guards Divisions:

Infantry DivisionsEdit

The first 18 divisions were originally formed as square divisions, and after 1938, and the remainder were formed either as triangular divisions or as binary security divisions. 16 coastal defense divisions with numbers from 140th to 160th (except for 148th and 149th divisions) were also formed as square divisions.


  • Madej, W. Victor, Japanese Armed Forces Order of Battle, 1937-1945 [2 vols] Allentown, PA: 1981
  • United States War Department (1991) [1944]. Handbook on Japanese Military Forces. Baton Rouge and London: Louisiana State University Press. ISBN 0-8071-2013-8.
  • The Japanese Mutumi troop encyclopedia 陸 軍 編