REUTERS/Tomas Noack
While it was originally reported that 23 Americans were on board, that number now appears to be untrue.
Here are the nationalities that Malaysia Airlines has confirmed:
Netherlands: 189
Malaysia: 44 (including 15 crew and two infants)
Australia: 27
Indonesia: 12 (including one infant)
United Kingdom: 9
Germany: 4
Belgium: 4
Philippines: 3
Canada: 1
New Zealand: 1
Unconfirmed nationalities: 4