ISTQB® has created the world’s most successful scheme for certifying software testers. As of December 2016, ISTQB® has administered over 700,000 exams and issued more than 500,000 certifications in over 117 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.