Question: who has the most powerful military in the world 2019?
Answer: The United States (Power Index (PI): 0.0615) Perhaps unsurprisingly, the US is ranked number one in most of the directly comparable metrics, such as total aircraft strength with 13,398 aircraft, including 5,760 helicopters in service, which is the most out of any nation in the world. ... 
Russia (PI: 0.0639)