The International Institute for Strategic Studies has released an infographic visually demonstrating the amount of funds spent on military initiatives, including foreign military funding, in 2015. The data shows that the United States, including foreign military aid, overwhelmnigly spends the most on military, at USD 597.5 billion in 2015 alone. China and Saudi Arabia follow, spending USD 145.8 billion and USD 81.9 billion, respectively.
See the entire infographic in the PDF below.