I can only speak for myself family and friends. Many in my family are atheists as well as all my friends. We're happy. Suicide rate has many determining factors1. Most statistics are either false or inaccurate to varying degrees. 2. Certain cultures have more reliance on religion in their day-to-day lives.3. Economics have a huge role to play in our level of happiness. Lol. I really don't feel like going in to detail about this one. There's just too much. Sorry.