World recorded 3,064,869,675 people in 1961 and 7,954,448,387 in 2021, a change of +160%. Census figures compared side by side, every number sourced.
| Measure | 1961 | 2021 | Between | Change |
|---|---|---|---|---|
| Population | 3,064,869,675 | 7,954,448,387 | +160% | |
| Child deaths before age 5 | 18.8% | 4.0% | −79% | |
| CO2 emissions per person | 3.07 | 4.63 | +51% | |
| Life expectancy at birth | 50.4 yrs | 70.9 yrs | +41% | |
| Red List Index of species survival | n/a | 0.75 | n/a | |
| Objects launched into space, running total | 82 | 12,124 | ×148 | |
| Living in urban areas | 34.5% | 56.9% | +65% | |
| Nuclear warheads held | 26,752 | 13,100 | −51% |