Suicide is the 11th leading cause of premature death in America and effects a large amount of Americans every year.
The two most likely risk factors are Geriatrics (those that are older) and Young men. Men have a higher predisposition towards suicide especially as young adults who are now struggling to get o. Their direction in life. Geriatrics are more prone to suicide because they may have clinical depression that they don't treat which is then exacerbated by potential Loss of loves ones, declining health, and loneliness.
So young men should be the answer.