my best bet because i found it on CIA FACTBOOK
a billion _________________________________________________________________________ 700 million
i don't own a cellphone .
the whole of the usa
110%
Seven people per square mile.
one million
9980987676
95%
no, you may not have any sort of roommate. however, many people own the same style of homes, as they are limited.
some people get there own phone around 8,9,7 my friend got hers when she was 9
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.
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.