More than half of the people traveling on the downed jet were Dutch, according to the AP. So far no Americans have been identified as passengers.
Here's a breakdown of the confirmed nationalities of those on board, according to the AP:
Malaysia: 44 (including 15 crew and two infants)
Indonesia: 12 (including one infant)
United Kingdom: 9
New Zealand: 1
Hong Kong: 1
Unconfirmed nationalities: 18