ISTQB® has issued 470,000 certifications in over 110 countries worldwide

As of June 2016, ISTQB® has issued almost 470,000 certifications in over 110 countries world-wide.

The scheme relies on a Body of Knowledge (Syllabi and Glossary) and exam rules that are applied consistently all over the world, with exams and supporting material being available in many languages.

See more in facts & figures http://www.istqb.org/about-as/facts-figures.html