Military power is increasing in the South American continent. It is getting concentrated in the hands of few nations.

Here are the top 10 most powerful militaries in South America as of 2015, with their Power Index scores. These nations are ranked by Global Firepower.

10) Uruguay (PwrIndx: 3.6352)

Uruguay military depends on material support from powers like the US and Brazil. The country has 24,000 active personnel, 79 tanks, 60 aircraft, 20 helicopters and 2 frigates. Uruguay covers a land area of 176,215 square kilometers and a coastline of 660 kilometers.

9) Bolivia (PwrIndx: 2.7841)

Internal security and regional stability are the main objectives of the Bolivian military. The nation has 54 tanks, 211 AFVs, 72 aircraft, 20 helicopters and 19 coastal defense craft. Bolivia’s defense budget is $315 million.