This is not the success yet, but surely the right step in the right direction. Suicides in Japan have started to fall below 30,000 figure in 2013. You can find more on: Suicides in Japan fall below 30,000 for 2nd straight year.
This is one of the most insightful and breathtaking documentaries about suicides in Japan, I have ever seen so far, presenting an amazing array of views, why Japan is characterized by one of the highest suicide rates in the world. “Saving 10,000 – Winning a War on Suicide in Japan” https://www.youtube.com/watch?v=oo0SHLxc2d0 or is an over 5o-minute documentary directed by Rene