6 billion people live on Earth.
There are many people who care about our planet. Earth is where we live, and will continue. If we don't care about Earth, how are we going to live?
7,139,564,219
0 people do this
Nearly all of them want to live a peaceful life.
There is no way to know.
Currently- 7 billion
Nobody knows for sure.
7 billion people inhabit the earth. By 2050 the number is expected to reach 9 billion.
People live in earth with houses and buildings
Earth!
Hardly any. At any one time, most people live on the surface of the Earth, not inside it.