7. Japan
Power Index Score: 0.2137
The military in Japan that’s up next in our list of top 21 strongest most powerful military nations in the world in 2017 is bound to a restriction under Article 9 of the Japanese Constitution. It is about renouncing the right of Japan not to advance on war and not use force in military disputes. This country has a defense budget of $43.8 billion, and their active personnel is 248,575, and the reserve personnel is 63,300.

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