see USA. in an encyclopedia, but those are just estimates, remember religion is a mental item, it can change for instance a lot of people have Xianity forced on them, even though they may be Atheist's, i can tell you though that USA has a 2nd hugest Jewish Population in the world.
Most still claim to be some sect of Christianity.
Roman-Catholic, meaning they profess the Catholic religion (unlike Protestantism, which is the most followed religion in the US or Canada).
Yes, and you can find it in the First Amendment to the Constitution. The government may not establish a religion (make one religion the official belief of the US) and it also may not prevent you from worshiping as you wish, or not worshiping at all. You may have read some blogs or opinion pieces that claim the US does not have freedom of religion, but those pieces are often written by people who claim that America is supposed to favor their particular belief (usually evangelical Christianity), and who get upset when there isn't enough of that belief in public life.
In the US, about 33 percent
About 90 percent of people in the Unites States have Christianity in their background. However, only about 70 percent claim any true connection to the church in all its different denominations and structures.
Most people in the US who profess any religion profess to be Christians. There are many denominations of Christianity in the US.
the percent of the answear 17 percent.
65 percent
No, of course not.
Most people who live in the US believe in Christ
The Pew Forum on Religion & Public Life released its Religious Landscape Survey states that 41% of people were found to have switched their religion at some point in life. Unfortunately they don't have a comparative breakdown of individuals who broke away from the family religion versus people who switched as a family. You can find their survey results here: http://religions.pewforum.org
43%