Later, after Germany and Japan both left the League, the number of non-permanent seats was increased from nine to eleven, and the Soviet Union was made a permanent member giving the Council a total of fifteen members.
再後來德國及日本都退出國際聯盟，非常任理事國的席次由9個增加為11個，同时蘇聯成為常任理事國，因此理事會共有15國。