They are, in alphabetical order: China, Indonesia, Mexico, Morocco, Poland and Turkey.
A number of NOCs requested additional time to designate the city they wish to put forward as Candidate City. The IOC has extended the deadline for these NOCs to submit the name of their cities to 1 April 2009. As of today, Jakarta 2014 (Indonesia), Nanjing 2014 (China) and Poznan 2014 (Poland) have already been confirmed.
The election and announcement of the Host City of the 2nd Summer Youth Olympic Games at the 122nd IOC Session in Vancouver in February 2010.