Per YouTube:
Watch the production process of the official 2010 World Cup match ball Jabulani. All Official Match Balls for the 2010 FIFA World Cup have the same weight and the same circumference and are therefore always the same size. Production capacity for the Official Match Ball for South Africa: 1760 balls per day. Production has been running since April 2009.
The 2010 World Cup will be in South Africa. Stay current on any relevant news here.