What is the salary range of a Six Sigma Green Belt?
As of August 01, 2025, the average annual salary for a Six Sigma Green Belt in Oklahoma ranges from $103,500 (25th percentile) to $121,400 (75th percentile), with a median annual salary of $110,700 and an hourly rate of $53. A Six Sigma Green Belt's salary is shaped by several key factors, including experience level, specific skills, industry differences, company size, and more. Below, we'll explore how each of these influences compensation.