If we define "kids" to be humans aged 0-14, then from
http://www.un.org/esa/population/publications/wpp2006/FS_ageing.pdf
we find that there are currently (2011) approximately 1.9 billion such humans based on a 2005 United Nations data projection.
Well, there are alot of kids in the world now!
There is no accurate number for how many kids live by themselves. In most states, kids under the age of 17 or 18 cannot live by themselves and has to live with an adult.
There are 103,564,578,001,245,672,345,360,000,000,000. The Earth is gaining more and more people each day. about 7 billion but hey, kids might be sprouting from tree to tree
0 kids
eleven
400,000
The book "The Last Kids on Earth" by Max Brallier contains approximately 34,000 words.
6 billion people live on Earth.
Too many to count
Many, as all life on Earth comes from Gaia for she is the personification of the Earth itself.
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?
lots
it is changing all the time!!!!!!!!!!!!!!!!!!!!!!!!! ZERO live in Earth, the first answer is correct for the number living on Earth.