"According to the group, firearm suicide among ages 10 to 24 is at its highest rate in more than 20 years."

"Everytown's research also found that 90% of suicide attempts with a gun are fatal. In attempts without a gun, just 4% result in death. This data was further supported in a 2021 study, which states that "access to lethal means matters." 

source

See the earlier chart for breakdown of gun deaths into suicide vs homicide: https://www.reddit.com/r/dataisbeautiful/comments/yhxmqy/what_should_kids_really_be_afraid_of_oc/