Six Sigma belt levels represent different levels of knowledge and responsibility in process improvement. This guide will help you understand the key differences between the White Belt, Yellow Belt, Green Belt, Black Belt, and Master Black Belt — including roles, requirements, and how to choose the right certification for your career.
(Updated for 2025 — includes the latest roles, salary data, and certification insights.)
Understanding the belt hierarchy helps you choose the right certification level for your career goals, whether you’re entering the field or moving toward advanced leadership roles.
👉 Watch the quick overview video below to understand each Six Sigma belt level, what they mean, and how to choose the right certification for your career.
What Are the Six Sigma Belt Levels?
There are five Six Sigma belt levels: White, Yellow, Green, Black, and Master Black Belt. Each level represents a different degree of training, responsibility, and expertise in process improvement. Professionals advance through belts as they deepen their skills in Lean Six Sigma methodology.
There are five Six Sigma belt levels: White, Yellow, Green, Black, and Master Black Belt. Each level represents a different degree of training, responsibility, and expertise in process improvement. Professionals advance through belts as they deepen their skills in Lean Six Sigma methodology.
If you’re new to the methodology, start with our guide: What Is Six Sigma?
COMPARE SIX SIGMA BELT LEVELS: ROLES, REQUIREMENTS & KEY DETAILS
Use the chart below to compare all Six Sigma belt levels, including cost, difficulty, average completion time, and certification requirements. Whether you’re beginning with Yellow Belt or advancing toward Master Black Belt, this table gives you a clear overview to help you select the right certification for your goals.
PRICE
COURSE LEVEL
COURSE FOCUS
AVG. COMPLETION TIME
CONTINUING ED
(PDUs/PDCs)
SELF-PACED ONLINE TRAINING
INDUSTRY APPROVED CERTIFICATION EXAM
SUMMARY
Yellow Belt
$299
Beginner
Learn the basic tools of Lean Six Sigma
1-2 Weeks (20 Hours)
21 PDUs | 21 PDCs
Become familiar with the methodology and basic tools of process improvement.
green belt
$399
Beginner - Intermediate
Utilize Lean SIx Sigma tools within project teams
3-5 Weeks (60 Hours)
60 PDUs | 45 PDCs
In-depth comprehensive training for applying Lean Six Sigma tools and concepts.
black belt
$499
Advanced
Management focused for leading Six Sigma projects & teams
4-7 Weeks (90 Hours)
91 PDUs | 45 PDCs
Manage teams and lead projects to successful completion utilizing advanced Six Sigma tools.
master black belt
$699
Expert
Become a Lean Six Sigma mentor & coach
4-7 Weeks (90 Hours)
96 PDUs | 45 PDCs
Master the discipline of Lean Six Sigma at the highest level and educate others.
For a deeper breakdown of each belt level, including examples, responsibilities, and training details, see our full Six Sigma Belt Comparison Guide.
What Are the Roles of Six Sigma Belts?
Each Six Sigma belt level corresponds to a specific role in process improvement. From foundational support positions to advanced leadership and strategy, each belt builds on the skills and responsibilities of the previous level.
White Belt
Understands basic Six Sigma concepts. Supports local problem-solving efforts and assists project teams as needed.
Yellow Belt
Participates on project teams, collects process data, and helps implement improvements under the guidance of Green or Black Belts.
Green Belt
Leads small to mid-scale projects (often part-time). Supports Black Belts with data analysis and applies DMAIC to daily operations.
Black Belt
Leads large, cross-functional projects full-time. Mentors Green Belts, manages improvements, and ensures alignment with business objectives.
Master Black Belt
Provides strategic oversight, trains Black and Green Belts, and develops organization-wide Six Sigma strategy. Acts as a senior change agent and internal consultant.
Together, these roles form a structured pathway from foundational awareness to advanced leadership, helping professionals grow their responsibilities as they progress through each belt level.
For a deeper look at what each belt does on a day-to-day basis, including job functions and leadership expectations, visit our detailed guide: What Does a Six Sigma Green Belt Do?
Six Sigma Belt Levels Overview Chart
Six Sigma certification levels are organized by belt colors, each representing a different degree of knowledge, responsibility, and leadership in process improvement. The chart below highlights how each level aligns with typical job roles, expected training duration, and average salary ranges.
| Belt Level | Knowledge Level | Typical Role | Training Duration | Average Salary |
|---|---|---|---|---|
| White Belt | Basic Awareness | Team Member | 1 Day | $50,000 - $60,000 |
| Yellow Belt | Foundational | Project Team Member | 2 Days | $60,000 - $70,000 |
| Green Belt | Intermediate | Project Leader | 4 Days | $70,000 - $90,000 |
| Black Belt | Advanced | Project Manager | 10 Days | $90,000 - $120,000 |
| Master Black Belt | Expert | Strategic Leader | Varies | $120,000 - $170,000 |
These ranges provide a quick snapshot of how responsibilities, expertise, and earning potential scale as you progress through the Six Sigma belt hierarchy.
Yellow Belt vs Green Belt: Which Is Best for Me?
The main difference between a Yellow Belt and a Green Belt is the level of competency and project responsibility you will have within an organization. Both play important roles, but they serve different career objectives.
Yellow Belt
Best for: Beginners and project team members
A Yellow Belt provides foundational knowledge of Lean Six Sigma tools, terminology, and basic problem-solving. It’s ideal for professionals who want to contribute to improvement efforts without leading projects.
Green Belt
Best for: Project leaders and analysts
A Green Belt offers deeper training in data analysis, DMAIC, and project leadership. Green Belts lead small to mid-sized improvement projects and often support Black Belts on more strategic initiatives.
Which should you choose?
Choose Yellow Belt if you’re new to Lean Six Sigma and want a quick, accessible introduction.
Choose Green Belt if you want to lead projects, solve complex problems, and accelerate your career into operations, quality, or continuous improvement roles.
Quick Comparison: Yellow Belt vs Green Belt
Yellow Belt
- Best for beginners and project team members.
- Focuses on core concepts, basic tools, and terminology.
- Supports projects rather than leading them.
Green Belt
- Best for project leaders and analysts.
- Includes deeper training in DMAIC and data analysis.
- Leads small to mid-sized improvement projects.
Green Belt vs Black Belt: Which Should You Choose?
If you’re considering advancing from Green Belt to Black Belt, the key difference comes down to scope, responsibility, and career impact. Both certifications are valuable, but they prepare you for very different levels of leadership in Lean Six Sigma.
Green Belt
Best for: Project leaders & analysts
Green Belts lead small to mid-sized process improvement projects and support Black Belts through data analysis, problem-solving, and DMAIC application. It’s ideal for professionals who want hands-on improvement experience without taking on high-level strategy or full-time CI roles.
Black Belt
Best for: Advanced leaders & change agents
Black Belts oversee large, cross-functional projects and drive organizational change. Training includes advanced statistical analysis, leadership, and strategic deployment — preparing you for senior operational excellence roles.
Which is Right for You?
Choose Green Belt if you want to deepen your skills, lead projects in your department, and grow into improvement roles.
Choose Black Belt if you’re ready for major improvement initiatives, organization-wide impact, and accelerated leadership or consulting opportunities.
Next Step: Ready to move up? Explore our
👉 Lean Six Sigma Black Belt Certification
Quick Comparison: Green Belt vs Black Belt
Green Belt
- Leads small to mid-sized projects
- Focus on DMAIC and data analysis
- Ideal for team leads and analysts
- ~50 hours of training
Black Belt
- Leads complex, cross-functional projects
- Advanced statistical & leadership skills
- Ideal for CI leaders & consultants
- ~100+ hours of training
Six Sigma Belt Overview Videos: Yellow, Green & Black Belt
These short videos offer a quick, clear overview of what you’ll learn at each certification level. Professor Barry Shore breaks down the core topics, tools, and project expectations for the Yellow, Green, and Black Belt programs — making it easier to understand which certification aligns with your goals.
Whether you’re exploring Six Sigma for the first time or preparing to advance to a higher belt, these videos provide a helpful preview of what to expect from each level.
SIX SIGMA BELT LEVELS EXPLAINED (YELLOW → MASTER BLACK BELT)
Six Sigma belts represent a progression of knowledge, skill, and leadership responsibility. While you can start at any belt level (Yellow, Green, or Black), the Master Black Belt is the only level that requires a recognized Black Belt certification before enrolling.
Below is a clear breakdown of each Six Sigma belt and the roles they prepare you for.
Yellow Belt
The Yellow Belt is an entry-level certification that introduces foundational Lean Six Sigma concepts, terminology, and basic improvement tools. It’s ideal for professionals who want to support projects and gain an understanding of process improvement.
Common roles: Administrative Assistant, Quality Coordinator, Customer Service Representative
Training time: 1–2 weeks
Industries: Healthcare, manufacturing, government, retail
Average salary: $60,000–$70,000
Explore Certification:
Lean Six Sigma Yellow Belt Certification
Green Belt
The Green Belt is an intermediate certification designed for professionals who want to lead process improvement projects or support larger initiatives. Green Belts apply DMAIC, work with data, and help drive measurable operational improvements.
Common roles: Process Analyst, Operations Manager, Quality Engineer
Training time: 2–4 weeks
Industries: Manufacturing, logistics, healthcare, tech
Average salary: $80,000–$100,000
Explore Certification:
Lean Six Sigma Green Belt Certification
Black Belt
The Black Belt is an advanced certification for professionals who lead cross-functional projects, manage improvement teams, and tackle complex organizational challenges. Black Belts use advanced statistical tools and deliver high-impact results.
Common roles: Continuous Improvement Manager, Lean Six Sigma Consultant, Director of Quality
Training time: 3–6 weeks
Industries: Aerospace, supply chain, healthcare, finance
Average salary: $100,000–$130,000
Explore Certification:
Lean Six Sigma Black Belt Certification
Master Black Belt
The Master Black Belt (MBB) is the highest Six Sigma qualification. It is designed for experts who already hold a recognized Black Belt and want to coach leaders, mentor improvement teams, and guide organization-wide strategy.
Common roles: VP of Operations, Lean Six Sigma Program Leader, Senior Consultant
Training Time: 6–8 weeks
Industries: Enterprise corporations, consulting, government
Average salary: $140,000–$200,000+
Explore Certification:
Master Black Belt Certification
Which Six Sigma Certification Is Right for You?
Choosing the right Six Sigma belt depends on your career goals, your current level of experience, and the type of responsibilities you want to take on. Instead of repeating what each belt is, this guide helps you decide which one is the best fit for where you are in your career.
White Belt – Best for Absolute Beginners
White Belt provides a simple awareness-level introduction to Six Sigma concepts.
Ideal for:
- Individuals seeking a basic overview
- Employees who support, but do not lead, projects
Quick notes:
- No experience required
- Awareness-level training
- Limited industry recognition
Yellow Belt – Best for Entry-Level Professionals
Yellow Belt is the most common starting point for professionals entering Lean Six Sigma.
Ideal for:
- Beginners who want foundational tools
- Professionals in healthcare, logistics, finance, or operations
Quick notes:
- No prerequisites
- Builds core skills & terminology
- Strong employer recognition
Green Belt – Best for Project Leaders & Analysts
Green Belt is for professionals ready to lead projects and drive measurable improvements.
Ideal for:
- Operations, quality, logistics, or project professionals
- Those ready to lead improvement projects
Quick notes:
- Intermediate level
- Covers DMAIC, data analysis & tools
- Often needed for mid-level leadership
Black Belt – Best for Advanced Leaders & Experts
Black Belt prepares professionals to lead major improvement initiatives and manage teams.
Ideal for:
- Managers, senior analysts & consultants
- Professionals leading cross-functional projects
Quick notes:
- Advanced level (GB recommended)
- In-depth statistics & leadership
- High-impact, high-salary roles
Master Black Belt – Best for Experts & Organizational Leaders
Master Black Belt is the top tier, focused on enterprise-wide strategy, coaching, and leadership.
Ideal for:
- Senior leaders overseeing Lean Six Sigma strategy
- Professionals mentoring BBs & driving deployment
Quick notes:
- Requires Black Belt certification
- Highest-level expertise
- Focuses on strategic, enterprise-wide improvement
How to Choose the Best Six Sigma Belt
Consider your career goals, current experience, and the level of responsibility you're aiming for. If you're just starting out, Yellow or Green Belt are great entry points. More experienced professionals may choose Black Belt or Master Black Belt to lead high-level projects and mentor others.
View the Six Sigma Belt Comparison Guide →
Consider your career goals, current experience, and the level of responsibility you're aiming for. If you're just starting out, Yellow or Green Belt are great entry points. More experienced professionals may choose Black Belt or Master Black Belt to lead high-level projects and mentor others.
View the Six Sigma Belt Comparison Guide →
THE IMPACT OF SIX SIGMA CERTIFICATION ON YOUR CAREER
Earning a Six Sigma certification can significantly boost your career and increase your earning potential. According to the ASQ Quality Progress Salary Survey (2024), professionals with Six Sigma certification continue to earn notably more than those without, with average salary premiums exceeding $16,000 per year, depending on belt level.
More specifically, the salary increase tends to rise with each belt level:
Master Black Belt – Earned $26,123 more annually
Black Belt – Earned $15,761 more annually
Green Belt – Earned $10,736 more annually
Yellow Belt – Earned $880 more annually
Beyond salary, Six Sigma belt certifications offer additional career benefits:
Increased job opportunities and access to leadership roles
Stronger problem-solving, analytical, and data-driven decision-making skills
Recognition as a certified expert in process improvement and operational excellence
Six Sigma certifications don’t just improve technical skills, they signal your ability to lead change and deliver measurable results. Whether you’re pursuing your first belt or advancing to a higher level, understanding the belt structure is a key step toward continuous improvement mastery.
👉 For a detailed breakdown of earnings by belt level, industry, and job title, explore our full Six Sigma Salary Guide.
Frequently Asked Questions (FAQs) About Six Sigma Belts
Here are some of the most common questions about Six Sigma certifications and their belt levels:
What Are the Six Sigma Belt Levels?
There are five Six Sigma belt levels: White, Yellow, Green, Black, and Master Black Belt. Each level represents a different degree of training, responsibility, and expertise in process improvement. Professionals advance through belts as they deepen their skills in Lean Six Sigma methodology.
What is the difference between Six Sigma belts?
Six Sigma belts represent different levels of expertise. White and Yellow Belts focus on the basics, Green Belts manage projects, Black Belts lead teams, and Master Black Belts oversee Six Sigma strategy at an organizational level.
Do I need Yellow Belt before Green Belt?
No, you can start directly with a Green Belt if you’re comfortable learning Six Sigma methodologies without prior knowledge. However, beginners often start with Yellow Belt before advancing.
How long does it take to complete a Six Sigma certification?
The time to complete a Six Sigma certification depends on the belt level. Yellow Belt typically takes 1–2 weeks, Green Belt 3–5 weeks, and Black Belt 4–7 weeks. Most programs are self-paced and can be completed faster with consistent study. Master Black Belt programs may take longer and require prior certification.
Do Six Sigma certifications expire?
SSGI certifications do not require renewal. Some providers require recertification, but SSGI offers lifetime certification.
Is Six Sigma certification worth it?
Yes! Six Sigma certification is highly valuable for professionals in manufacturing, healthcare, finance, and tech. It helps improve problem-solving skills, career prospects, and salary potential. Many employers look for Six Sigma-certified candidates when hiring for process improvement and leadership roles.
Do I need a Six Sigma certification to work in process improvement?
While Six Sigma certification is not always required, many employers prefer or strongly recommend it for process improvement, operations management, and quality assurance roles. It serves as proof of expertise in structured problem-solving methodologies.
Can I take a Six Sigma certification exam without training?
Yes, some organizations allow you to take the exam without formal training. However, most providers recommend training because Six Sigma concepts (especially Green Belt and Black Belt) require a deep understanding of DMAIC, statistics, and process optimization.
What is the difference between Lean and Six Sigma?
Lean focuses on eliminating waste and making processes faster, while Six Sigma focuses on reducing defects and variation. Many organizations combine Lean & Six Sigma to create Lean Six Sigma methodologies for efficiency and quality improvement.
Can I skip Yellow Belt and go straight to Green Belt?
Yes! Many professionals start directly with Green Belt if they have some experience with process improvement or project management. However, if you’re completely new to Six Sigma, a Yellow Belt can provide a helpful foundationbefore moving to Green Belt.
Is Six Sigma better than PMP (Project Management Professional)?
Six Sigma focuses on process improvement and defect reduction, while PMP is centered around project planning, execution, and management. Many professionals find both certifications beneficial for career growth.
What is the salary for Six Sigma-certified professionals?
Salaries for Six Sigma-certified professionals vary by belt level and experience. On average, Yellow Belts earn around $65,000 per year, Green Belts earn $80,000–$100,000, Black Belts earn $100,000–$130,000+, and Master Black Belts can earn $130,000–$160,000+. Roles in manufacturing, healthcare, and operations often offer the highest compensation.
What is the order of Six Sigma belts?
The typical order of Six Sigma belts is White, Yellow, Green, Black, and Master Black Belt. Each level represents a deeper understanding of process improvement, with increasing responsibilities and leadership expectations.
Do I need a project to complete a Six Sigma certification?
No, most Six Sigma certifications—especially at the Yellow, Green, and Black Belt levels—do not require a live project. Some providers offer project-based options, but many online programs include exams and case studies instead.
Can I earn a Six Sigma certification online?
Yes, many reputable providers offer Six Sigma certifications fully online. Online programs are self-paced, accessible anytime, and often include training materials, practice exams, and a certification exam.
Is Six Sigma useful outside of manufacturing?
Absolutely. While Six Sigma originated in manufacturing, it’s now widely used in healthcare, finance, IT, logistics, government, and service industries to improve quality, reduce waste, and streamline operations.