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.
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 following table lists the ranks and insignia of officers in NATO air forces.
This table shows the ranks and insignia of NCOs and Seaman in the navies of member countries of NATO. NATO maintains a "standard rank scale" in an attempt to match every member country's military rank to corresponding ranks used by the other members. The rank categories were established in the document STANAG 2116, formally titled NATO Codes for Grades of Military Personnel.
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 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.
Individual rank insignia to the (Army) ground forces and (Navy) naval forces (1935–1940) were established by orders 2590 and 2591, effective from September 22, 1935.
The ranks and rank insignia of the Red Army and Red Navy between 1940 and 1943 were characterised by continuing reforms to the Soviet armed forces in the period immediately before Operation Barbarossa and the war of national survival following it. The Soviet suspicion of rank and rank badges as a bourgeois institution remained, but the increasing experience of Soviet forces, and the massive increase in manpower all played their part, including the creation of a number of new general officer ranks and the reintroduction of permanent enlisted ranks and ratings.
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.
Ranks of the Czechoslovak Armed Forces shows the military ranks and rank insignia in use by the First, Second, Third, and Fourth Czechoslovak Republic.
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 Socialist Republic of Romania are the military insignia used by the Army of the Socialist Republic of Romania. The ranks replaced the Military ranks of the Kingdom of Romania in 1947, following the proclamation of the Republic. The ranks were replaced by the Romanian Armed Forces ranks and insignia, following the Romanian Revolution. Since Romania was a member of the Warsaw Pact, it shared a rank structure to the Soviet Union. However, after the Warsaw Pact invasion of Czechoslovakia, Romania gradually moved towards the pre-war ranks.
The Military ranks of the Kingdom of Hungary were the military insignia used by the Kingdom of Hungary. Following the fall of the monarchy, the ranks were replaced with those of the Hungarian People's Army.
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 Romanian Army 
Royal Romanian Navy 
Royal Romanian Air Force 
