The `Stronger` hitmaker - who was left devastated in 2007 when his beloved mother Dr. Donda West passed away - admitted he has suffered dark periods in his life but vowed never to sink so low again as there are so many people he wants to help.
He said: "There were times that I contemplated suicide.
"I will not give up on life again. There`s so many people that will never get the chance to have their voice heard. I do it for them."
The 33-year-old star revealed he is no longer scared to live as he hit his lowest ebb following the loss of three other parental figures after his mother`s death and has emerged stronger than ever.
He said: "Everything has been taken away from me. I`m so not ... scared. I so don`t care."
The controversial rapper took an extended break from music after last year`s MTV Video Music Awards - when he stormed on stage during Taylor Swift`s Best Female Video acceptance speech and ranted about how Beyonce Knowles should have won - and admitted it gave him a chance to grieve for his mother.
He told US TV talk show host Ellen DeGeneres: "I left America. I stopped doing music all together. It was the first time that I got to stop since my mom had passed. I had never stopped and never tried to even soak in what all had happened.
"It was time to take a break and develop more as a person as a creator and focus more on my thoughts and my ideas and what I wanted to bring to the world."
He has hinted at the subject of suicide in his recent song "Power," which includes the lines: "Now this would be a beautiful death - I`m jumping out the window, I`m letting everything go."