4. India
Power Index Score: 0.1593
The active personnel in India that ranks 4th on our list of top 21 strongest most powerful military nations in the world in 2017 is approximately 1.4 million and the reserve personnel is 2.8 million. It has a defense budget of $51 billion with a land area of 3,287,263 square kilometers. The Supreme Commander of the military is the President of India.
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