http://www.bbc.co.uk/news/world-asia-pacific-13901509

Some 21 million people applied to join in 2010 but only about 14% were accepted, a party official said.
Applicants need the backing of existing members and must undergo exhaustive checks. Membership brings many perks including better career opportunities.
The announcement comes as China prepares to mark the 90th anniversary of the party's founding on 1 July.
Joining the party brings significant privileges, which explains why membership continues to rise.
Many jobs are only open to members, while their children get better schooling.