IASSC Certified Lean Six Sigma Green Belt
ICGB
A Green Belt-level exam on the Six Sigma track, covering Define, Measure, Analyze, and more, rated medium in difficulty, recommended for candidates with at least 6 months of hands-on experience, consisting of 100 questions in 180 minutes. Prepare with professionally curated practice questions and walk into exam day with confidence.
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Exam Details
- Time Limit
- 180 min
- Exam Questions
- 100
- Exam Fee
- $495
- Format
- multiple-choice
- Difficulty
- Medium
- Exp. Needed
- 6 months
- Languages
- English
What the ICGB Exam Covers
5 official domains
Define
Measure
Analyze
Improve
Control
Who Should Take This
ICGB target roles
Certification Path
Green Belt · Six Sigma
| Prerequisites | None |
|---|---|
| Current Exam | ICGB |
| Next Step | ICBB |
ICGB exam guide
How hard is the ICGB exam?
The ICGB is rated medium in difficulty, most candidates prepare with at least 6 months of hands-on experience. Difficulty varies with your existing hands-on practice, so use the sample questions on this page to gauge where you stand before booking the real test.
How long should you study for the ICGB?
A practical plan for this difficulty level is 8–12 weeks of focused study at one to two hours a day. Split the time across the official domains below, finish each domain with practice questions, and reserve the final two weeks for full-length timed practice and review of missed questions.
What is the ICGB exam format?
Expect around 100 questions, 180 minutes to complete, formats include multiple-choice, the official exam fee is $495 USD. It is offered in English. Check your local testing provider for delivery options and any regional pricing differences.
Who should take the ICGB exam?
This is a green belt-level certification, typical target roles include process improvement specialist, quality analyst, project manager. If the role you are aiming for appears on that list, the credential is a direct investment in your next job move rather than a general-purpose certificate.
What comes after the ICGB?
Candidates who pass usually continue with ICBB, this exam sits on the Six Sigma track. Map the whole path before you start studying so each certificate builds on the previous one instead of repeating the same ground.
How do you renew the ICGB certification?
renewal is possible via none (lifetime). Plan the renewal before the expiry date so the credential never lapses on your CV or job application.