Armed forces personnel are active duty military personnel, including paramilitary forces if the training, organization, equipment, and control suggest they may be used to support or replace regular military forces.
| 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Argentina | 85,000 | 1,02,300 | 1,02,000 | 1,04,340 | 1,04,350 | 1,04,350 | 1,05,650 | 1,05,650 | 1,05,450 | 1,05,450 | 1,05,000 | 1,05,200 | 1,03,000 | 1,03,000 |
| Brazil | 2,95,000 | 6,73,200 | 6,73,000 | 7,13,480 | 7,13,480 | 7,13,480 | 7,13,480 | 7,29,500 | 7,29,500 | 7,29,500 | 7,30,000 | 7,61,500 | 7,62,000 | 7,62,000 |
| Paraguay | 16,000 | 35,000 | 25,000 | 25,450 | 25,450 | 25,450 | 25,450 | 25,450 | 25,450 | 25,450 | 27,000 | 28,950 | 29,000 | 29,000 |
| Uruguay | 25,000 | 24,600 | 24,920 | 25,439 | 25,450 | 25,450 | 25,450 | 25,450 | 25,450 | 25,450 | 22,000 | 22,100 | 22,000 | 22,000 |