After looking through some notible sources 50
Facts that should change the world by Jessica Williams and various world health organisation reports, suicide is one of the most common causes of death.
In young people 15 to 29 years old , suicide is the leading cause of death. This is because young people don't usually die from heart disease or cancer.
It is hard to clarify the exact rate because it varies by country, gender and age group but most sources agree that more the one percent of deaths world wide are from suicide. That's one in one hundred people.