what
189 dutch killed on flight.
Netherlands population approx. 16,819,595 (2014)
Percentage of total population dead = 0.00112368936%
2,996 killed in 9/11 attacks - 372 non-US citizens killed - 2624 americans killed
US population approx. 284.97 million (2001)
Percentage of total population dead = 0.00092079868%
Edit: Damn, I preview one last time, and I'm beaten to the punch.