15. Vietnam
Vietnam’s military forces consists of the People’s Army of Vietnam, law enforcements units such as the police and the Vietnamese People’s Public Security, and their militias – the Vietnam Self-Defence Militia. The defense forces is directed and supervised by the Central Military Commission of the Communist Party of Vietnam. Compared to other nations, Vietnam has a rather small number of soldiers. However, they do have 189 planes, 8 submarines, 5 warships, and 1828 tanks. All men have to serve for 2 years minimum.