ABOUT Armies are considered an important part of a country and its security.Without leading to wars, we can have a fair idea about the military strengths of countries by taking into account the arsenal in their possession, advanced technologies implemented, training, power and number of allies, size of the army, budget allocated, etc. Here are world's top 5 most powerful Armies. 1) United States of America United States of America is the most powerful country in the world and there is surprise about it but the population of this country is not more than 5% of the population of the world. The United States spends $612.5 billion on the military, more than the other nine countries's budgets combined.The US implements cutting-edge technology like Navy's new rail gun and the country also has 7,500 nuclear warheads at its disposal.No wonder it is the no.1 military force since World War II. Budget: $612.5 billion Active frontline personnel: 1,400,0...