Wired has a color coded threat list which has terrorism near the bottom.
These are the actual dangers confronting America. Based on the number of mortalities in each category throughout the 11-year period spanning 1995 through 2005 (extrapolated from best available data).
I had performed a similar analysis comparing murders in the US against war casualties
S E V E R E
Driving off the road: 254,419
Accidental poisoning: 140,327
H I G H
Dying from work: 59,730
Walking down the street: 52,000.
Accidentally drowning: 38,302
E L E V A T E D
Killed by the flu: 19,415
Dying from a hernia: 16,742
G U A R D E D
Accidental firing of a gun: 8,536
L O W
Being shot by law enforcement: 3,949
Carbon monoxide in products: 1,554