Countries' rankings are based on their overall scores of up to 100 points, two-thirds of which rests on statistical data and the remaining one-third on the responses of a total of 4,000 executives.
Zemlje su rangirane na osnovu svojih ukupnih ocena, koje se kreću do 100 poena, od kojih je dve trećine zasnovano na statističkim podacima, a preostala trećina na odgovorima ukupno 4.000 rukovodilaca.