Lean Six Sigma Green Belt (IASSC) (PeopleCert) and ABPMP Certified Business Process Associate (ABPMP) cover different bodies of knowledge. Here's how they compare side by side — and how to pick the one that fits your role.
The fastest way to see which credential fits your experience and goals.
| LSS Green BeltLean Six Sigma Green Belt (IASSC) | CBPA®ABPMP Certified Business Process Associate | |
|---|---|---|
| Level | Intermediate | Entry |
| Exam length | 3h 0m | 3h 0m |
| Questions (real exam) | ~100 | ~124 |
| Pass mark | 70% | 70% |
| In a sentence | DMAIC process improvement — the IASSC standard. | Business process management by the BPM CBOK. |
| Free practice | 154 sample questions | 150 sample questions |
Exam parameters are compiled from each vendor's official exam guide. Always confirm the current format, eligibility and fees on the official PeopleCert and ABPMP site before booking. ExamDeck is an independent study tool and is not affiliated with PeopleCert or ABPMP.
Figures as published by each vendor, transcribed on the date shown. Where a vendor prices differently for members, both prices are listed.
| LSS Green Beltfacts as of September 2026 | CBPA®facts as of August 2026 | |
|---|---|---|
| Fees | Exam voucher - IASSC store: $402 (the IASSC certification page still says $350; verified 22 Sep 2026) Exam voucher - PeopleCert: €361, about $415 - same exam, other storefront of the same group (verified 22 Sep 2026) Practice exam (optional, not included): IASSC evaluation exam $78 / PeopleCert mock €62 Prerequisites / project / training: None required Recertification (every 3 yrs): 50-question, 90-minute exam at 70% - $268 IASSC store / €243 PeopleCert |
Application fee: $40 Exam fee: $550 / $400 ABPMP members Recertification (every 3 yrs): $75 — waived with membership |
| Study time | commonly reported 40–80 hours depending on prior statistics background | commonly estimated 20–40 hours — most questions come straight from the BPM CBOK v4 text |
| Renewal | Every 3 years - a 50-question, 90-minute recertification exam at 70%, max two attempts two weeks apart; $175 on IASSC's policy page but $268 in IASSC's store and €243 via PeopleCert (verified 22 Sep 2026) | Every 3 years — 30 CPE credits (membership auto-earns up to 18) |
| Entry requirement | None — IASSC/PeopleCert require no training course, work experience or completed project (in contrast to ASQ). | 1,250 hours of documented BPM-related experience OR a qualifying four-year degree (business, engineering, computer science, finance etc.). |
| Body of knowledge | the IASSC Lean Six Sigma Green Belt Body of Knowledge | the BPM CBOK (v4) |
| Full fact pages | LSS Green Belt cost · format · eligibility | CBPA® cost · format · eligibility |
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LSS Green Belt (Lean Six Sigma Green Belt (IASSC)) is a PeopleCert intermediate credential, while CBPA® (ABPMP Certified Business Process Associate) comes from ABPMP (entry). They cover different bodies of knowledge, so the choice depends on the role you're aiming for rather than difficulty alone.
The LSS Green Belt exam runs about 3h 0m with ~100 questions; the CBPA® exam runs about 3h 0m with ~124 questions. The more senior credential generally demands more applied, scenario-based judgement.
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