The following table shows comparative officer ranks of World War II, with the ranks of Allied powers, the major Axis powers and various other countries and co-belligerents during World War II.
Military ranks and rank insignia of Norway were changed June 1, 2016, with the reintroduction of the Non-Commissioned Officer Corps, and the abolishment of the one-tier officer system in place since 1975.
Vizeadmiral is a senior naval flag officer rank in several German-speaking countries, equivalent to Vice admiral.
Rittmaster is usually a commissioned officer military rank used in a few armies, usually equivalent to Captain. Historically it has been used Germany, Austria-Hungary, Scandinavia, and some other countries.
The rank of admiral of the fleet or fleet admiral was the highest naval rank of the Soviet Union from 1940 to 1955 and second-highest from 1962 to 1991.
The military ranks of Finland are the military insignia used by the Finnish Defence Forces. The ranks incorporate features from the Swedish, German, and Russian armed forces. In addition, the system has some typically Finnish characteristics that are mostly due to the personnel structure of the Finnish Defence Forces. The ranks have official names in Finnish and Swedish languages and official English translations. The Swedish forms are used in all Swedish-language communications in Finland, e.g. in Swedish-speaking units of the Finnish Defence Force. The system of ranks in the Swedish Armed Forces is slightly different.
The Ranks of the Imperial Japanese Army were the rank insignia of the Imperial Japanese Army, used from its creation in 1868, until its dissolution in 1945 following the Surrender of Japan in World War II.
The Ranks of the Imperial Japanese Navy were the rank insignia of the Imperial Japanese Navy, used from its creation in 1868, until its dissolution in 1945 following the Surrender of Japan in World War II. The ranks were inspired by the ranks of the Royal Navy And also from the former navy of the Tokugawa shogunate.
The Military ranks of the Republic of China are the ranks used by the Republic of China Armed Forces. The official military rank names in Traditional Chinese are identical across all different military branches, but their English translations may be different.
The Military ranks of Egypt are the military insignia used by the Egyptian Armed Forces. Egypt has a uniform system similar to the United Kingdom, with rank insignia being similar across the different services.
The Military ranks of Serbia are the military insignia used by the current Serbian Armed Forces and historical Royal Serbian Army.
This table contains the final ranks and insignia of the Waffen-SS, which were in use from April 1942 to May 1945, in comparison to the Wehrmacht. The highest ranks of the combined SS was that of Reichsführer-SS and ObersterFührerder SS; however, there was no Waffen-SS equivalent to these positions.
Between 1943 and 1955, the ranks and insignia of the Soviet Armed Forces were characterised by a number of changes, including the reintroduction of rank insignia badges and the adoption of a number of higher ranks.
Air squadron general is a general officer rank in the Italian Air Force and formerly of the Royal Romanian Air Force.
The Military ranks of the Kingdom of Italy were the military insignia used by the Italian Armed Forces when Italy was the Kingdom of Italy (1861–1946). During the World Wars, the Carabinieri, as the then-most senior corps of the Army, wore similar insignia to those used by the rest of the service.
The Military ranks of the Kingdom of Yugoslavia were the military insignia used by the Royal Yugoslav Armed Forces. It replaced the ranks of the Kingdom of Serbia following the unification of the Kingdom of Serbia into Kingdom SHS. After the proclamation of the Socialist Federal Republic of Yugoslavia, the ranks were replaced by the Yugoslav People's Army ranks.
The Military ranks of the Hungarian People's Army were the military insignia used by the Hungarian People's Army. The ranks replaced the Military ranks of the Kingdom of Hungary in 1945, following the abolition of the monarchy. The ranks were replaced by the Military ranks of Hungary, following the end of socialism in Hungary.
The Military ranks of the Kingdom of Romania were the military insignia used by the Kingdom of Romania. Following the abolition of the monarchy, the ranks were replaced with those of the Socialist Republic of Romania.
The military ranks of Slovakia during 1939–1945 were the military insignia used by the Slovak Republic's military and the Hlinka Guard. The Slovak Republic was a landlocked country, and therefore did not possess a navy.
The Military ranks of the Kingdom of Bulgaria were the military insignia used by the Kingdom of Bulgaria. Following the abolition of the monarchy, the ranks were also changed.
Royal Hungarian Army 
Royal Hungarian River Guard 
Royal Hungarian Air Force 
