How many people are on planet earth?

Answer 1

It's hard to be specific because people and being born and dying all the time, but around 7,800,000,000 as of 2020.

Answer 2

Water volume (the total water supply of the world) is 1,338,000,000 km3 which is equivalent to (about):

= 1.338*109 km3

= 1.338*1015 m3

= 1.338*1021 dm3

= 1.35*1021 kg

= 1.35*1024 g water

= 1.35*1024 (g) / 18.01 (g H2O / mol H2O)

= 75*1021 mol H2O

Answer 3

An exact figure is never possible, even when a census is newly completed. However, estimates indicate 7 billion was reached in early November, 2011.

* This number is changing as you read this answer. Current updates are available, using the Popclock link below.

Answer 4

The population of planet Earth is roughly seven billion and climbing. Some scientists speculate that the population is rising too quickly, however there are still many millions of square miles of unoccupied land on our world.

Answer 5

The US Census Bureau reports that the world population estimate exceeded 7,000,000,000 by the beginning of July 2012.

Answer 6

Over 7 billion people inhabit this planet.

Answer 7

At the latest estimate, there were 7.046 billion people on the planet. One mole is 6.022 E23 units, so there is 1.17 E(-14) moles of people.

Answer 8

There is just under 7 billion. By 2050 there will be about 9 billion.

Answer 9

There are billions of people on Earth. This exact number changes ever few seconds based on births and deaths that are constantly happening.

Answer 10

4,000,000,000