Nineteenth Army - Japan - was created in 1942.
Japan was a successfully industrialized country with a sizable army and a strong economy, while China's economy remained weak and vulnerable to the interferences of imperial countries.
Twentieth Army - Japan - ended in 1946.
Fortieth Army - Japan - ended in 1945.
Third Army - Japan - ended in 1945.
Fiftieth Army - Japan - ended in 1945.
Sixth Army - Japan - ended in 1945.
Sixteenth Army - Japan - ended in 1945.
Fourth Army - Japan - ended in 1945.
Tenth Army - Japan - ended in 1938.
Eleventh Army - Japan - ended in 1945.
Fifteenth Army - Japan - ended in 1945.