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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.

You can download the Reference Document here: IASSC Reference Document

To view exam samples, please click on the right hand menu.

To Book your Exam please click here.