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.
🎥 Watch: Learn about Six Sigma belt levels in this quick video guide! Discover how each belt level contributes to process improvement and what certification is right for you.
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.
Compare Six Sigma Belt Levels: Roles, Requirements & Pricing
Use the chart below to compare all Six Sigma belt levels, including cost, difficulty, average completion time, and certification requirements. Whether you’re just starting with Yellow Belt or advancing to Master Black Belt, this table will help you choose the right level based on your career goals and experience.
What Are the Roles of Six Sigma Belts?
Each Six Sigma belt level corresponds to a specific role in process improvement. From team support to enterprise-level strategy, these roles build on one another as professionals gain expertise.
White Belt
Understands basic Six Sigma concepts. Supports local problem-solving efforts and assists larger 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 in daily operations.
Black Belt
Leads large-scale, cross-functional projects full-time. Mentors Green Belts and ensures alignment with business objectives.
Master Black Belt
Provides strategic oversight, trains Black and Green Belts, and develops organization-wide Six Sigma strategies. Serves as a senior change agent and internal consultant.
Six Sigma Belt Levels Comparison
Six Sigma certification levels are structured by belt colors, each representing a different degree of training, responsibility, and expertise. From foundational roles like Yellow Belt to expert-level credentials like Master Black Belt, the chart below outlines how each level aligns with typical job roles, training duration, and average salary expectations.
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 |
Want a deeper look? Read more about what a Green Belt does →
Yellow Belt vs Green Belt: Which Is Best for Me?
The difference between a Yellow Belt and a Green Belt comes down to depth of training, project leadership responsibilities, and career impact.
Which is Right for You?
Yellow Belt – An entry-level Six Sigma certification focused on core concepts, basic tools, and terminology. Ideal for professionals who will support projects as team members and want to build a foundation in process improvement without heavy statistical work.
Green Belt – An intermediate-level certification that provides in-depth training on Six Sigma tools, data analysis, and project leadership. Designed for professionals who will lead projects, solve complex problems, and drive measurable improvements.
Which should you choose?
If you are new to Six Sigma and want to quickly understand the basics, choose a Yellow Belt. If you want to lead projects and have a greater impact on results and career advancement, go for a Green Belt.
Green Belt vs Black Belt: Which Should You Choose?
If you’ve already earned or are considering a Green Belt, you might be wondering whether it’s worth moving up to the Black Belt level. Both certifications are valuable, but they differ in scope, responsibility, and career impact.
Key Differences Between Green Belt and Black Belt
Green Belt | Black Belt | |
---|---|---|
Primary Focus | Leads smaller process improvement projects or supports larger initiatives under a Black Belt. | Oversees complex, cross-functional projects and drives organization-wide improvements. |
Typical Roles | Process Improvement Specialist, Quality Analyst, Team Lead. | Continuous Improvement Manager, Operational Excellence Director, Senior Project Manager. |
Time Commitment | ~50 hours of training plus project work. | ~100+ hours of advanced training plus significant project leadership. |
Skills Gained | DMAIC problem-solving, Lean tools, data analysis, project support. | Advanced statistical methods, change management, leadership, strategic deployment. |
Career Impact | Increases credibility for mid-level leadership and specialist roles. | Positions you for senior leadership roles and higher salary potential. |
Which is Right for You?
Choose Green Belt if you’re new to Lean Six Sigma, want to apply process improvement within your department, and are looking to boost your skillset without a large time commitment.
Choose Black Belt if you already have Green Belt knowledge, want to lead major improvement initiatives, and are aiming for higher leadership positions or consulting opportunities.
Next Step: If you’re ready to advance from Green Belt to Black Belt, explore our Lean Six Sigma Black Belt Certification to see how it can accelerate your career.
Six Sigma Belt Overview Videos: Yellow, Green & Black Belt
Watch these brief overview videos to learn what each Six Sigma belt level includes. Professor Barry Shore explains the topics, tools, and outcomes you’ll gain from the Yellow, Green, and Black Belt certifications. These videos are a great way to preview the training before getting started.
Six Sigma Belt Levels Explained: Yellow to Master Black Belt
Each Six Sigma Belt prepares you for the next.
With that said, you can start from anywhere (Yellow, Green or Black), however the Master Black Belt is different. You must have a Black Belt Certification from a recognized organization before you can enroll into a Master Black Belt Program.
To get a better idea of which program is right for you, let’s take a closer look at each Six Sigma belt and their respected roles.
Yellow Belt
The Six Sigma Yellow Belt certification is an entry-level certification that introduces foundational Lean Six Sigma tools and concepts. It’s ideal for professionals new to process improvement with little or no prior training or experience. Yellow Belts are equipped to identify inefficiencies, support process improvement teams, and contribute to project success.
Common roles: Administrative Assistant, Quality Coordinator, Customer Service Representative
Time to complete: 1–2 weeks
Industries: Healthcare, manufacturing, government, retail
Average salary: $60,000–$70,000
Green Belt
The Six Sigma Green Belt certification is an intermediate certification designed for professionals who want to lead or support improvement projects. It’s ideal for those with prior exposure to Six Sigma or a Yellow Belt certification. Green Belts apply the DMAIC methodology to reduce variation, improve quality, and drive operational efficiency.
Common roles: Process Analyst, Operations Manager, Quality Engineer
Time to complete: 2–4 weeks
Industries: Manufacturing, logistics, healthcare, tech
Average salary: $80,000–$100,000
Black Belt
The Six Sigma Black Belt certification is an advanced certification for professionals who lead cross-functional projects and manage teams. It’s best suited for those with significant experience in process improvement or a Green Belt background. Black Belts use advanced statistical tools to solve complex problems and drive measurable results.
Common roles: Continuous Improvement Manager, Lean Six Sigma Consultant, Director of Quality
Time to complete: 3–6 weeks
Industries: Aerospace, supply chain, healthcare, finance
Average salary: $100,000–$130,000
Master Black Belt
The Six Sigma Master Black Belt certification is the highest level of certification. This expert-level program is for those who already hold a Black Belt and want to coach, consult, and lead organization-wide process improvement efforts. Master Black Belts also serve as mentors and subject matter experts across teams and departments.
Common roles: VP of Operations, Lean Six Sigma Program Leader, Senior Consultant
Time to complete: 6–8 weeks
Industries: Enterprise corporations, consulting, government
Average salary: $140,000–$200,000+
Which Six Sigma Certification Is Right for You?
Selecting the right Six Sigma certification depends on your career goals, level of experience, and how deeply you want to engage with process improvement. Whether you’re just starting out or looking to lead strategic initiatives, there’s a belt designed for your path. Use the guide below to find your best fit.
✅ No prior experience required
✅ Ideal for individuals new to process improvement and Six Sigma
✅ Focuses on basic Six Sigma concepts and terminology
⚠️ Note: White Belt has limited recognition in the industry and is not typically required or valued by most employers.
Who Should Get It:
✔️ Anyone looking for a general understanding of Six Sigma
✔️ Employees supporting Six Sigma initiatives but not directly managing projects
✅ No prior experience required
✅ Provides foundational knowledge of Six Sigma tools and methodologies
✅ Helps individuals contribute to Six Sigma projects within an organization
💡 Note: Yellow Belt is widely recognized as the first true level of Six Sigma certification and is often the starting point for professionals looking to advance.
Who Should Get It:
✔️ Business professionals looking to understand Six Sigma at a fundamental level
✔️ Those working in healthcare, finance, or manufacturing who want to improve efficiency
✅ Intermediate level – some process improvement experience is beneficial
✅ Equips individuals with Six Sigma tools and DMAIC methodology to manage small to mid-sized projects
✅ Often a requirement for mid-level management roles
Who Should Get It:
✔️ Professionals leading or participating in process improvement projects
✔️ Employees in operations, quality assurance, logistics, or project management
✅ Recommends prior Six Sigma knowledge (often Green Belt experience)
✅ Prepares professionals to lead large-scale projects and manage Six Sigma teams
✅ Includes in-depth statistical analysis and project management techniques
Who Should Get It:
✔️ Team leaders, managers, and consultants looking to specialize in Six Sigma
✔️ Those aiming for leadership roles in quality management or operations
✅ Highest level of Six Sigma certification
✅ Focuses on strategic Six Sigma implementation and enterprise-wide improvements
✅ Requires prior Black Belt certification and extensive experience
Who Should Get It:
✔️ Senior professionals leading Six Sigma initiatives across organizations
✔️ Those interested in mentoring Black Belts and shaping Six Sigma strategy at a high level
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.
Explore Six Sigma Programs →
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, professionals who have completed any level of Six Sigma training earn, on average, over $16,000 more per year than those without certification.
More specifically, the salary increase correlates with the certification 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
Additional career benefits of Six Sigma certification include:
- Increased job opportunities and advancement into leadership roles
- Stronger problem-solving and data analysis capabilities
- Recognition as a certified expert in process improvement and operational excellence
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.