South America recorded 152,563,381 people in 1961 and 428,331,419 in 2021, a change of +181%. Census figures compared side by side, every number sourced.
| Measure | 1961 | 2021 | Between | Change |
|---|---|---|---|---|
| Population | 152,563,381 | 428,331,419 | +181% | |
| Child deaths before age 5 | 15.6% | 1.5% | −91% | |
| CO2 emissions per person | 1.32 | 2.59 | +96% |