An athiest is a person who doesnt believe in god/gods. So no, they don't have a religion.
Insist what? New Atheists insist everything other Atheists insist. The Denial of the claim there is a God by Theistic religions.
All Christians or atheists
No. Atheists in general have the same moral and ethical values as do Christians and members of other religions. If there is a difference, it is that atheists hold the values that they do hold because they believe in their intrinsic merit, rather than in the hope of reward or fear of hellfire. Apart from religious faith, atheists do not lack values attributed to followers of religions.
most atheists think Christianity is not good and its members are hypocrites
About 75% of Spain is Roman Catholic. About 20% say they are atheists or non-believers.
There are born-again Christians, Buddhists, atheists, and Muslims in China today.
Scientific not Christianity. Many different people are atheists or have different religions.
I don't believe religions has a role in Dictatorship because dictators are atheists.
I don't believe religions has a role in dictatorship because dictators are atheists.
Just like Christian and all other members of religions some atheists kill people. Atheists generally don't claim their is good or that the others deserved it for their sins.
Atheism is an absence of belief in a deity, so there isn't a doctrine of beliefs as you find in religions and there isn't a single thought or belief about death which is shared by atheists. Some Buddhists are atheists - but believe in reincarnation, other atheists believe that when we die, we cease to be.
About 74% Roman Catholic About 15% Protestant About 7% No religion, agnostics and atheists About 1% Spiritists About 0.3% Afro-Brazilian religions About 1.7% Other --from Wikipedia.org