[Legion]

This question has too much variation among individuals. Someone might wish they had never been born if they had mountains of debt and no way out. Or if everything in their life had turned out wrong. It depends on your perspective and outlook on life. There can't be any minimum requirements because from another'e viewpoint the reasoning may not seem strong enough. From a personal standpoint I think that if my parents had lost everything from my actions or I had caused their deaths I might wish I had never been born but that is my point of view.