Why do costs of certification dependent on citizenship?

The IAPM is an international association and takes this circumstance account. On the basis of their real life situation, people worldwide should be able to take the opportunity to have their knowledge and experience certified in project management. Therefore, the prices for IAPM certifications are based on the gross domestic product of the country whose citizenship the prospective examnee holds. The IAPM also offers people from countries with weak GDP the possibility of certification.