Factbox-North Korea's military is one of world's largest: how powerful is it?

HOW MANY TROOPS DOES NORTH KOREA HAVE? The KPA, with an estimated 1.3 million active personnel, is one of the world's largest militaries, behind only far bigger countries such as China and the United States. According to data from the International Institute for Strategic Studies (IISS), a think-tank, North Korea also has about 600,000 reservists and 5.7 million Worker/Peasant Red Guard reservists, among many unarmed units.