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Lean Six Sigma Exam Information

Yellow Belt 
Number of questions: 60
Duration: 2 hours
Pass mark: 70%

Green Belt 
Number of questions: 100
Duration: 3 hours
Pass mark: 70%

Black Belt 
Number of questions: 150
Duration: 4 hours
Pass mark: 70%

All exams are available in English. IASSC Certified Green Belt exams are also available in French.

All IASSC exams are closed book exams. IASSC provides a Reference Document, that contains all formulas and tables one will need during the examination.

IASSC Certification is recognized perpetually. In accordance with the IASSC Recertification Policy, effective March 1, 2017, a classification system recognizes certifications as “Current” for a period of three years and defines regulations for maintaining such Status.

You can download the Reference Document here: IASSC Reference Document

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