Which countries are ranked as the highest and biggest military spenders in the whole world? It is one of the necessities and the most important priorities for any country to spend a reasonable amount of money that is enough for being a military superior country and for possessing the most powerful army that can protect the country from any attack whether it is an external or internal one. Spending a small amount of money leads to having a weak army that is unable to protect the country in case there is a war or even any other attack. It is not necessary for the highest and biggest military spenders to be ranked in the same place on the list every year. To know which countries are ranked as the biggest military spenders and to know whether your country is among them or not, take a look at the following top 15 highest spending governments on military in the world. These countries are ranked as the biggest military spenders, according to their military expenditures, by the Stockholm International Peace Research Institute (SIPRI).