New Delhi: Countries across the world spend billions of dollars on defence, but there are a few countries whose defense spending are exorbitantly high. Here is a list of top 10 countries with the highest spending on defence: 1. The United States remains by far the world's largest military player spending $600 billion on defense in 2013. 2. The next most highly ranked player is China with the annual spending of about $112bn in the same period. The military machine of China is continually growing. It has major ambitions to become maritime power. 3. Russia is the third largest country with a defense budget. It spent 68.2 $ billion. Russia's defense expenditure has more than doubled since 2007, and will be triple by 2016. 4. Saudi Arabia's annual spending on defense is about 59.6 billion dollars. It was the most militarized country in 2013. 5. U.K.: Annual spending on defense $ 57 billion. 6. France: Annual spending on defense $ 52.4 billion. 7. Japan: Annual spending on defense $ 51 billion. 8. Germany: Annual spending on defense $ 44.2 $ billion. 9. India: Annual spending 36.3 $ billion. 10. Brazil: Annual spending 34.7 $ billion.