my best bet because i found it on CIA FACTBOOK
a billion _________________________________________________________________________ 700 million
i don't own a cellphone .
110%
the whole of the usa
Seven people per square mile.
9980987676
one million
95%
no, you may not have any sort of roommate. however, many people own the same style of homes, as they are limited.
About 271,000,000 people in the U.S. own a mobile phone, that's 88 percent of the population! Stats are from December 2008. To see a list of more countries, see related links.
some people get there own phone around 8,9,7 my friend got hers when she was 9
There are many on the internet. Just do a search and you can find many that people have shared. These are ones you would personally use to clean your own house.