Staff sergeant is a rank of non-commissioned officer used in the armed forces of many countries. It is also a police rank in some police services.
The People's Liberation Army has not always used ranks or insignia. In common with the practice of the Red Army at the time of its founding in 1927, neither were used until 1955 when a system of ranks was established. As a result of the Cultural Revolution, ranks were abolished in May 1965. After the Sino-Vietnamese War of 1979, reforms in the PLA began to be made to professionalize the armed forces once more. The 1984 Military Service Law provided for the resumption of rank, but disagreements on what ranks were to be used and who would receive them caused the revival of rank to be delayed until 1988. The following ranks and their respective insignia shown are those used by the People's Liberation Army Ground Force.
The Russian Federation inherited the ranks of the Soviet Union, although the insignia and uniform were altered slightly.
Vietnamese military ranks and insignia were specified by the National Assembly of Vietnam through the Law on Vietnam People's Army Officer on 30 December 1981.
The Yugoslav People's Army ranks are the military insignia used by the Yugoslav People's Army.
Ranks and insignia of the Military of Serbia and Montenegro were the military insignia used by the Armed Forces of Serbia and Montenegro. The Military of Serbia and Montenegro used the same military ranks insignia as Yugoslav People's Army, with some ranks abolished. The same ranks and insignia system was used both before and after the constitutional reforms of 2003, before which the military held the name "Military of Yugoslavia". When the union of Serbia and Montenegro was dissolved, the two new armies created new systems of ranks and insignia.
Lithuanian military ranks and insignia consist of the list and ordering of the different military ranks, for the officers, non-commissioned officers and soldiers of the modern Lithuanian Armed Forces. The ranks are visually represented by insignias placed on the uniforms.
This is a list of military ranks of the Syrian Armed Forces, which follow a rank system similar to the French Armed Forces as a former French mandate under the League of Nations, though the insignias were largely inspired by those of the British Armed Forces. Commissioned officers' rank insignia are identical for the army and air force. These are gold on a bright green or black shoulder board for the army and gold on a bright blue board for the air force. Officer ranks are standard, although the highest is that of General, a rank held in 1986 only by the commander in chief and the minister of defense. Navy officer rank insignia are gold stripes worn on the lower sleeve. The highest-ranking officer in Syria's navy is the equivalent of vice admiral in most countries. Army and air force ranks for warrant officers is indicated by gold stars on an olive green shield worn on the upper left arm. Lower noncommissioned ranks are indicated by upright and inverted chevrons worn on the upper left arm.
This is a list of ranks and insignia currently in use by the Defense Forces of Georgia.
The Military ranks of Azerbaijan are the military insignia used by the Azerbaijani Armed Forces. Being a former member of Soviet Union, Azerbaijan shares a rank structure similar to that of Russia; however, the insignia used for its ranks had been increasingly being influenced by Turkey.
The Military ranks of Kazakhstan are the military insignia used by the Armed Forces of the Republic of Kazakhstan. Being a former Soviet Republic, Kazakhstan shares a similar rank structure to that of Russia.
The Military ranks of Kyrgyzstan are the military insignia used by the Armed Forces of the Republic of Kyrgyzstan. Being a former Soviet state, Kyrgyzstan shares a rank structure similar to that of Russia. Kyrgyzstan is a landlocked country, and does therefore not possess a navy.
The Military ranks of Armenia are the military insignia used by the Armed Forces of Armenia. Being a former Soviet Republic, Armenia shares a rank structure similar to that of the Soviet Union. Armenia is a landlocked country, and does therefore not possess a navy.
The Military ranks of Tajikistan are the military insignia used by the Armed Forces of the Republic of Tajikistan. Being a former member of Soviet Union, Tajikistan shares a rank structure similar to that of Russia. Since 2018, the State Language Committee of Tajikistan operated a working group that sought to replace the Russian military ranks with pure Tajik/Persian terms. An example of this would be the rank of Colonel, which is currently "Полковник/Polkovnik" would be changed to "Сарлашкар/Sarlashkar". Tajikistan is a landlocked country, and does therefore not possess a navy.
The Military ranks of Mauritania are the military insignia used by the Military of Mauritania.
The Military ranks of Zimbabwe are the military insignia used by the Zimbabwe Defence Forces. Being a former British colony, Zimbabwe shares a rank structure similar to that of the United Kingdom, and has replaced the military ranks of Rhodesia since 1980.
The Military ranks of Ivory Coast are the military insignia used by the Armed Forces of the Republic of Ivory Coast. Being a former colony of France, Ivory Coast shares a rank structure similar to that of France which in this case are in vertical rather than horizontal stripes for officers and warrant officers, the top slanted stripe a reminder of the shoulder straps called attentes worn as part of the epaulettes in the full dress uniform by all officers.
The Military ranks of Belarus are the military insignia used by the Armed Forces of Belarus. Being a former member of Soviet Union, Belarus shares a rank structure similar to that of Russia. Belarus is a landlocked country, and does not possess a navy.
The military ranks of Niger are the military insignia used by the Niger Armed Forces. Being a former colony of France, Niger shares a rank structure similar to that of France. Niger is a landlocked country, and does therefore not possess a navy.
The Military ranks of Uganda are the military insignia used by the Uganda People's Defence Force. Being a member of the Commonwealth of Nations, Uganda shares a rank structure similar to that of the United Kingdom. Uganda is a landlocked country, and does therefore not possess a navy.
Moldovan Ground Forces [1] 
Moldova Air Force [1] 
