Atheism is not a belief system nor is it a religion.
To put it in a more humorous way: If atheism is a religion, then not collecting stamps is a hobby. Despite the fact that atheism is not a religion, atheism is protected by many of the same Constitutional rights that protect religion.
Is atheism legally a religion?
Atheism is not a religion, but it does “take[] a position on religion, the existence and importance of a supreme being, and a code of ethics.”6 For that reason, it qualifies as a religion for the purpose of First Amendment protection, despite the fact that in common usage atheism would be considered the absence, ...
What religion is close to atheism?
Atheism is often considered acceptable within Hinduism, Jainism and Buddhism.