The Six Sigma Belt Levels

Before getting into the specifics of the Green Belt and Black Belt, here is a brief overview of the various Six Sigma levels.

  • White Belt – This is the beginner’s belt. A White Belt provides professionals with a basic working knowledge of Six Sigma methodologies and how they impact an organization
  • Yellow Belt – At this level, professionals learn more about Six Sigma principles and, in a project setting, will help in gathering data and creating process maps
  • Green Belt – Those who earn a Green Belt are experts in the tools and concepts of Six Sigma. Earning Green Belt certification often requires passing a multiple-choice exam
  • Black Belt – At this level, professionals have a mastery of Six Sigma tools, techniques and data analysis and are capable of leading project teams. Black Belt certification often requires the completion of a Six Sigma project and passing an exam.
  • Master Black Belt – The highest level of Six Sigma mastery, Master Black Belts typically mentor Black Belts and influence enterprise-wide projects. Certification generally requires at least five years of experience in the role of Black Belt or Master Black Belt, or the completion of at least 10 Six Sigma Black Belt projects, and candidates must pass a certification exam.