The average American's chances of being killed by (Nature 367: 39, 1994):

motor vehicle accident... 1 in 100
murder... 1 in 300
house fire... 1 in 800
firearm accident... 1 in 2500
electrocution... 1 in 5000
passenger plane crash... 1 in 20,000
flood... 1 in 30,000 tornado... 1 in 60,000
fireworks... 1 in 1 million
botulism... 1 in 3 million
asteroid or comet impact with earth... 1 in 3000 to 1 in 250,000