Here are stats on some things that actually killed American civilians
between 1995 and 2005. You could call it a National Terror Alert Reality
Check, and add colors at will for each level of risk:

SEVERE
Driving off the road: 254,419
Falling: 146,542
Accidental poisoning: 140,327

HIGH
Dying from work: 59,730
Walking down the street: 52,000
Accidental drowning: 38,302

ELEVATED
The flu: 19,415
Hernias: 16,742

GUARDED
Accidental gunshot: 8,536
Accidental electrocution: 5,171

LOW
Being shot by a police officer: 3,949
Terrorism: 3,147
Carbon monoxide in products: 1,554