- 2 BILLION – THE LIMIT – 6 STUDIES SAY
- 4 BILLION – THE LIMIT – 7 STUDIES SAY
- 8 BILLION – THE LIMIT – 20 STUDIES SAY
- 16 BILLION – THE LIMIT – 14 STUDIES SAY
- 32 BILLION – THE LIMIT – 6 STUDIES SAY
- 64 BILLION – THE LIMIT – 7 STUDIES SAY
- 128 BILLION – THE LIMIT – 2 STUDIES SAY
- 256 BILLION – THE LIMIT – 1 STUDY SAYS
- 512 BILLION – THE LIMIT – 1 STUDY SAYS
- 1024 BILLION – THE LIMIT – 1 STUDY SAYS
(UNEP – JUNE 2012 REPORT)
AS PER THE REPORT, THE 8 BILLION POPULATION MARK WAS TO CROSS IN 2027.
THIS WAS AS PER US CENSUS BUREAU ESTIMATES.
- 2022 – AND WE ALREADY HAVE REACHED TO THAT LEVEL
- 7.87 BILLION – OUR WOLRD IN DATA
- 7.9 BILLION – WORLDOMETER
- 7.95 BILLION – UNITED NATIONS POPULATION FUND