Population density is midyear population divided by land area in square kilometers.
| 1970 | 1990 | 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Argentina | 8.7 | 12.0 | 13.6 | 14.3 | 15.1 | 15.2 | 15.4 | 15.6 | 15.7 | 15.9 | 16.0 | 16.2 | 16.3 | 16.4 | 16.5 | 16.6 | 16.6 |
| Bolivia | 4.2 | 6.6 | 7.9 | 8.6 | 9.4 | 9.6 | 9.7 | 9.9 | 10.0 | 10.2 | 10.3 | 10.5 | 10.6 | 10.8 | 10.9 | 11.0 | 11.1 |
| Brazil | 11.4 | 17.8 | 20.8 | 22.1 | 23.2 | 23.4 | 23.6 | 23.7 | 23.9 | 24.1 | 24.3 | 24.5 | 24.7 | 24.8 | 25.0 | 25.1 | 25.2 |
| Chile | 13.2 | 18.1 | 20.9 | 22.0 | 23.1 | 23.3 | 23.6 | 23.8 | 24.0 | 24.3 | 24.6 | 25.0 | 25.4 | 25.8 | 26.1 | 26.2 | 26.3 |
| Colombia | 18.8 | 29.2 | 35.2 | 38.0 | 40.4 | 40.8 | 41.2 | 41.6 | 42.0 | 42.3 | 42.8 | 43.4 | 44.2 | 45.0 | 45.6 | 46.1 | 46.6 |
| Cuba | 82.2 | 99.0 | 103.4 | 105.8 | 106.1 | 105.8 | 106.0 | 108.4 | 108.5 | 108.3 | 108.3 | 108.4 | 108.2 | 107.9 | 107.7 | 107.1 | 106.5 |
| Ecuador | 22.2 | 37.8 | 51.1 | 55.8 | 60.7 | 61.7 | 62.7 | 63.6 | 64.6 | 65.5 | 66.5 | 67.5 | 68.6 | 69.8 | 70.6 | 71.2 | 71.8 |
| Mexico | 26.1 | 42.6 | 50.7 | 54.4 | 58.5 | 59.3 | 60.1 | 60.9 | 61.6 | 62.3 | 62.9 | 63.5 | 64.1 | 64.7 | 65.2 | 65.7 | 66.2 |
| Panama | 20.4 | 33.0 | 40.5 | 44.6 | 48.8 | 49.7 | 50.6 | 51.5 | 52.5 | 53.4 | 54.4 | 55.3 | 56.2 | 57.1 | 57.9 | 58.6 | 59.3 |
| Paraguay | 6.0 | 10.2 | 12.8 | 13.7 | 14.4 | 14.6 | 14.8 | 15.1 | 15.3 | 15.5 | 15.7 | 16.0 | 16.2 | 16.4 | 16.6 | 16.8 | 17.1 |
| Peru | 10.5 | 17.2 | 20.8 | 22.0 | 22.7 | 22.9 | 23.1 | 23.3 | 23.5 | 23.8 | 24.1 | 24.5 | 24.9 | 25.4 | 25.7 | 25.9 | 26.2 |
| Uruguay | 15.9 | 17.7 | 18.7 | 18.8 | 19.0 | 19.0 | 19.1 | 19.1 | 19.2 | 19.2 | 19.3 | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 |
| Venezuela (Bolivarian Republic of) | 12.9 | 22.5 | 27.8 | 30.4 | 32.7 | 33.1 | 33.5 | 33.9 | 34.3 | 34.7 | 34.9 | 34.7 | 33.8 | 32.8 | 32.2 | 32.0 | 32.0 |