Sergeant major is a senior non-commissioned rank or appointment in many militaries around the world.
Ranks and insignia of NATO affiliated nations are combined military insignia used by the member countries of the North Atlantic Treaty Organization.
The comparative military ranks of Korea are the military insignia used by the two nations on the Korean Peninsula, those being the Republic of Korea Armed Forces and the Korean People's Army of the Democratic People's Republic of Korea. The United States Forces Korea personnel wear the ranks and insignia used by other service personnel of the United States Armed Forces in the territories of the United States.
The military ranks of Mexico are the military insignia used by the Mexican Armed Forces. Mexico shares a rank structure similar to that of Spain.
The Ranks and insignia of the Japan Self-Defense Forces are the military insignia used by the Japan Self-Defense Forces.
The Military ranks of South Korea are the military insignia used by the Republic of Korea Armed Forces. Due to the close military cooperation and the presence of the United States Forces Korea, South Korean ranks are inspired by the United States.
The Military ranks of Romania are the military insignia used by the Romanian Armed Forces.
The Military ranks of Socialist Yugoslavia are the military insignia used by the Yugoslav People's Army.
The Rank insignia of the Iranian military are the ranks used by the Islamic Republic of Iran Armed Forces (IRIAF). The armed forces are split into the Islamic Republic of Iran Army and the Islamic Revolutionary Guard Corps. The ranks used by the Law Enforcement Forces share a similar structure to the military.
A new law approved in July 2008 changed the military ranks of Venezuela, principally with regard to names, functions and commanding regulation of the armed forces. The law was sanctioned by Venezuela's National Assembly.
The Pakistan Army ranks and insignia encompass the military insignia utilized by the Pakistan Army. As a former Dominion, Pakistan adopts a rank structure similar to that of the British Army.
Rank comparison chart of all armies and land forces of North and South American states.
Rank comparison chart of air forces of North and South American states.
The military ranks of Afghanistan were the military insignia used by militaries of Afghanistan throughout history.
Rank comparison chart of navies of North and South American states.
Rank comparison chart of Non-commissioned officer and enlisted ranks for air forces of North and South American states.
The military ranks of Ethiopia are the military insignia used by the Ethiopian National Defense Force (ENDF). While Ethiopia is a landlocked country, it is in the process of reestablishing a Blue-water navy. On 8 January 2022, the rank of field marshal general was awarded for the first time to Birhanu Jula. At the same time, new ranks were introduced to the ENDF.
The military ranks of Spain are the military insignia used by the Spanish Armed Forces.
The Military ranks of Vanuatu are the military insignia used by the Vanuatu Police Force and Vanuatu Mobile Force.
The Military ranks of Panama are the ranks used by the Panamanian Public Forces, which have some warfare capabilities. Panama abolished its army in 1990, which was confirmed by a unanimous parliamentary vote for constitutional change in 1994.
Salvadoran Army [1] 
