15. Key indicators 2006 Number of authorized programmes, worldwide 2,176 Number of authorized programmes, by region IB Africa, Europe, Middle East 658 IB Asia-Pacific 349 IB Latin America 265 IB North America & the Caribbean 904 Number of IB Staff (Full-time equivalents) 2006 336 , 775 Number of Diploma Candidates 34,486 Number of Examinations Taken 269 , 251 Number of Certificate Candidates 22 , 481 Overall Pass Rate of Diploma Candidates (%) 80.3