Comparing official mortality data with the number of Americans who have been killed inside the United States by terrorism since the 1995 bombing of the Alfred P. Murrah Federal Building in Oklahoma reveals that scores of threats are far more likely to kill an American than any terrorist — at least, statistically speaking.
In fact, your appendix is more likely to kill you than al-Qaida is.
There’s a larger version of the chart (easier to read) if you follow the link.