There were 150 people on board the Germanwings Airbus, travelling from Barcelona in Spain to Dusseldorf in Germany.
The plane crashed into the French Alps, with French aviation authorities ruling out any survivor.
The French news agency, AFP quoting officials of the low-cost airliner, part of Lufthansa, said there were 144 passengers and 6 crew members, increasing the number of the people on board by two.