CIA Part 1 Pass Rate, Format & Study Guide
A real reference for anyone preparing for the Certified Internal Auditor — Part 1: Essentials of Internal Auditing exam — pass rate, retake policy, how it's scored, and a practical study timeline. This is independent reference content, not a sales page: everything below is sourced from CIA Part 1's own certifying body.
Pass rate
The certifying body does not publicly publish an official pass rate for this exam. Be wary of third-party sites citing a specific number here — treat any pass-rate claim you see elsewhere for this exam as unverified.
If you don't pass — retake policy
The IIA requires a 30-day wait after a failed attempt before you can sit for that exam part again — you can re-register as soon as you receive your score, but the earliest available appointment through Pearson VUE will be 30 days out. Each retake requires a new registration and payment of the exam fee; there's no free retake. Candidates get a maximum of 8 attempts per exam part within their 3-year CIA program eligibility window.
How it's scored
The IIA reports a scale score rather than a raw percentage, with a passing score of 600 required — the same 600 threshold applies consistently across all three CIA parts even though the questions and difficulty differ. The passing cut score for each part is set through a formal standard-setting process (a panel of internal audit professionals using an industry-accepted method), and the number of raw questions you need right to pass isn't fixed or disclosed. If you fail, your score report breaks down performance by domain; if you pass, no numeric score is given.
Format at a glance
Full eligibility requirements and everything the CIA Part 1 study portal includes is on the CIA Part 1 product page.
How to actually prepare
Part 1 is 125 questions in 2.5 hours, and The IIA's own syllabus weights Governance, Risk Management, and Control at 35% of the exam — more than double any other domain (Proficiency and Due Professional Care 18%, Foundations of Internal Auditing and Independence and Objectivity 15% each, Fraud Risks 10%, Quality Assurance and Improvement Program 7%). Since Part 1 is the conceptual/foundational part of the CIA program, build your review around GRC first, then run timed practice sets — at 72 seconds per question you need the easier domains answered almost on reflex to leave time for GRC's denser scenario questions.
Want a full practice question bank built around this exact format?
See the CIA Part 1 study portal