Wrong Answer (Boston Globe)
Summarizes some of the recent research on the effectiveness suicide hotlines. CrisisLink (where I volunteer) is one of the crisis centers affiliated with 1-800-SUICIDE, and was actually part of the Mishara study that is referenced in the article. Based on my experience this year, I have confidence that we are one of the "good centers" he mentions.
WISQARS Leading Causes of Death Reports (Centers for Disease Control and Prevention)
WISQARS is a database of injury-related data published by the CDC. It's shocking to see that suicide is the second or third leading cause of death for Americans aged 10-34.
Just click "Submit Request" to see the basic data, though you can customize the report based on race, sex, etc. using the dropdown boxes.