>>105040
According to systematic reviews and meta-analyses, the lethality hierarchy for major suicide methods is:

Firearms: ~89.7–90%
Hanging/Suffocation: ~84.5–85%
Drowning: ~80.4%
Gas Poisoning: ~56.6%
Jumping from Height: ~46.7%
Drug/Liquid Poisoning: ~8.0%
Cutting: ~4.0%

Good luck.