Which CPA Exam Section Is Hardest? Real Candidate Insights, Pass Rates & Smart Strategy Guide

First, it is crucial to know the CPA exam structure 2026 to determine which part is the most difficult. CPA Evolution requires candidates to take three core papers and one discipline paper.

The four sections of the CPA Exam that are considered fundamental.

AUD (Auditing and Attestation) – Auditing and Attestation Standards, ethics, internal controls and assurance procedures.

Financial Accounting and Reporting (FAR) – Accounting standards and financial statements, government accounting, financial statements.
This course includes federal taxation, ethics, business law, and compliance, which is designed for REG (Taxation and Regulation).

Discipline Sections

Candidates will have to select one:

• BAR (Business Analysis and Reporting)

• Information Systems and Controls (ISC)

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The modern CPA exam format emphasizes more on application-based learning, task-based simulation and analysis rather than on memorization. The revised structure seems more in line with the sort of work that professionals do in actual accounting and advisory positions.

For some, the hardest part of the CPA exam is one section, while for others it may be a completely different one. A section that is not performing well might not be challenging for everybody. 

Generally, the level of difficulty in the CPA exam is determined by various elements such as the conceptual level, technical difficulty, length of the syllabus, time pressure, accounting background, and practical experience in accounting.

For instance if someone is able to get along with taxation, then they might find it easier to pass REG, but harder to pass AUD due to the auditing concepts. Likewise, a candidate who has a background in finance or accounting may prefer to take FAR rather than other candidates.

The truth is that CPA exam challenges are extremely individual. Sections often pose problems based on the match between the student's strengths and the section. Students who are consistent and practice their simulations regularly tend to get more confident with challenging parts with time, and gradually improve their speed, retention, understanding of concepts, and overall examination performance.

CPA Exam Pass Rates (Latest Data Breakdown)

CPA pass rates 2026 provide a good indication of the areas in which students may have more difficulty.

These CPA exam statistics prove that the FAR and BAR sections are without a doubt among the toughest sections to take.

Key Interpretation

• FAR is a lengthy subject and has a lot of technical material.

• AUD is a challenge to students, not their numbers.

• In general, REG shows slightly better outcomes, since many students correlate it with actual taxation.

• BAR is starting to be one of the hardest discipline sections because of the complexity of the analysis.

These generally persist at lower FAR pass rates, as students have difficulties with retention and volume. In the interim, candidates with a stronger background in rules-based learning are able to achieve a relatively higher pass rate for the REG.

The quality of preparation, consistency of revision and familiarity with task-based simulations are also significant factors in performance.

This is the most realistic ranking from hardest to easiest based on student feedback pass rates and overall difficulty of the sections of the CPA exam:

1. FAR – Hardest

The largest and most complex accounting standards are generally considered to be the most difficult to grasp in FAR. It also covers complex, conceptual calculations to be performed on financial statements and detailed reporting concepts which require a deep conceptual understanding.

2. AUD

AUD can be challenging to do because it may be difficult to understand the concepts behind the questions, and sometimes there may be more than one correct answer. Requires analytical thinking and professional judgment rather than memorisation, and is therefore difficult for many students.

3. REG

Students who are familiar with the concepts of taxation and law find REG more manageable. Even though the rules exceptions and memorization can get tedious when preparing.

4. Discipline Sections (BAR, ISC, TCP)

The ways they are different in the discipline sections is dependent upon the majority of the subject matter that one has a prior knowledge of.

BAR is typically viewed as the most challenging choice because it entails more calculations and financial details. Even someone with an accounting or financial background can feel at ease with it with some practice.

ISC is more effective for students with knowledge of technology systems, data management and internal control. Students report a more "real-world" experience than other sections.

Many candidates opt for the Taxation paper as they are already familiar with the subject or are interested in studying it. This section might be easier during the preparations if you understand the concepts of tax.

No single CPA section is easy for everybody. A student who has audit experience might be more at ease with AUD, whereas a student from a finance or tax background might prefer to take FAR REG or TCP.

Preparation is also crucial. A few students prefer to begin with FAR since the rest of the papers seem less stressful once they pass the most technical paper. Others choose to begin with a section they are confident they can do well so as to make the CPA experience smoother the first time around.

FAR is regarded as the toughest section of the CPA exam because it contains the most challenging questions. Students who talk about the hardest part of the CPA exam, almost always mention FAR.

1. Extremely Large Syllabus

FAR covers:

• Financial statements

• Revenue recognition

• Leases

• Government accounting

• Non-profit accounting

• Consolidations

• US GAAP standards

It's hard to revise because of the volume.

2. Technical Depth

FAR will require practical application and understanding as opposed to REG which places significant emphasis on rules. Students need to be able to explain “why” as well as “what.”

3. Retention Problems

Even after months of studying FAR, many candidates are forgetting the material that has already been covered when revisiting previous sections when writing the final sections. This can cause high retention pressure.

4. Time Pressure During the Exam

FAR task based simulations can be time consuming. This is a common challenge that students face when it comes to a mixture of MCQs and simulations.

5. Financial Accounting Complexity

The financial accounting CPA syllabus requires comfort with journal entries, adjustments, reporting frameworks, and interpretation of financial data.

Why Students Fear FAR

• Largest content volume

• Longer preparation time

• Continuous revisions required

• Strong emphasis on accuracy.

FAR is actually so comprehensive that even accounting students claim it's daunting.  Another drawback of FAR is that many of the topics are linked. The lack of knowledge on one aspect may lead to issues in multiple other aspects of the syllabus. Students must also be quick at problem solving as long computation and simulation may take a lot of time to complete during the paper. FAR is the most difficult of all the sections for many students due to the sheer amount of material, technical detail, and time requirements.

The discussion around AUD vs REG difficulty is very common among CPA students because both sections test completely different skills.

The term AUD is typically thought of as more conceptual. There are many questions that are indirect and sometimes more than one answer choice may seem correct. There are many areas where students often have difficulty in terms of audit judgment, interpretation of ethics, interpretation of internal controls, and professional skepticism. Analytical thinkers, logical learners tend to feel at ease with AUD over time.

REG, on the other hand, is more memory-intensive and has an emphasis on tax laws, federal tax, business law and compliance. It can be more stressful for students who don't like memorization to prepare for REG.

The discussion around AUD vs REG difficulty is very common among CPA students because both sections test completely different skills.

The background of the academics also plays a role. Taxation experience can help candidates adjust more quickly to REG, and a background in auditing can help candidates with AUD.

Under the CPA Evolution model, candidates must choose one discipline section after completing the core papers. This has increased discussions around CPA discipline exam difficulty because each section tests different skills and specialization areas.

BAR (Business Analysis and Reporting) is typically regarded as the most challenging choice. It brings together all the following advanced elements of financial reporting, technical accounting concepts, financial analysis and data interpretation. The difficulty of BAR and the emphasis on technical and calculation skills is similar to the FAR exam and that is why many students find the BAR exam to be a high-level extension of the FAR exam.

ISC (Information Systems and Controls) has more of a technical orientation and includes IT systems, cyber security, internal controls and risk assessment. Students who have some knowledge of technology or systems tend to feel at ease with ISC.

TCP (Tax Compliance and Planning) emphasizes primarily tax, compliance strategy and advanced tax situations. Generally, students who were successful in their REG classes favour TCP.

When comparing BAR vs ISC vs TCP difficulty, the right choice usually depends on a student’s strengths, background, and long-term career goals.

Experience shows with real world CPA candidates that challenges are not just conceptual.

1. Time Management

The majority of candidates are either studying or working full time during their preparation. A difficult equilibrium between lectures, revision and practice is struck.

2. Burnout

Long preparation times lead to mental fatigue. The most burnout that takes place in the preparation of FAR is the repeated revisions.

3. Retention Issues

Students frequently forget what they learnt in the previous chapters while reading the new chapters.

4. Simulation Anxiety

While many candidates do well on MCQs, they will often get into trouble in task-based simulations when under pressure.

5. Consistency Problems

When the syllabus is not very difficult, the lack of a regular study schedule is a major cause of inefficiency.

Such difficulties as CPA students struggles are universal in all sections. In the long run it is much easier to plan when you have a realistic study schedule. 

Common problems include a loss in confidence because of bad mock exam results or failure to pass the exam. A lot of students start to feel that they are not being adequately prepared and this has a negative impact on their performance.

A comparison to others or the rush to finish the sections can also add to the stress load. The development of a sustainable study program, regular breaks and monitoring of the gradual progress can help candidates stay motivated throughout the CPA journey.

Don't ask, "Which is the most difficult section overall?" ask:

Which CPA section is hardest for me?

The background matters!

If you have good accounting knowledge, this position is for you.

You may find:

• FAR manageable

• AUD easier conceptually

• REG moderate

If You Have Taxation Experience

You may prefer:

• REG

• TCP
  

If You Work in IT or Risk

ISC can be less stressful than either BAR or FAR.

Quick Self-Assessment Checklist

Ask yourself:

• Am I a logic or memory learner?

• Am I okay with financial reporting?

• Do I have the capability to manage a ton of content?

• Work well within time limits?

• Do I like analytical/topic subjects?

This kind of CPA exam strategy enables the candidates to select the smarter preparation path rather than following others.

Strong CPA planning isn't about selecting the paper that's easiest for you, it's about selecting the paper that's best for your strengths.

Students who recognize their learning style at an early age can better prepare and have less anxiety in the exam process. The appropriate order of sections can enhance confidence, motivation and performance. Many people who have successfully passed the CPA exam first work on parts of the exam where their strengths lie, and then work on harder parts at the end of the preparation process.

Pass rates can be vastly enhanced with a good CPA study strategy.

Strategy 1: FAR-First Approach

Many candidates choose to take FAR first because:

• It has the most extensive syllabus

• Develops very good accounting concepts

• Afterwards other sections are easier to complete.

Strategy 2: Confidence-First Approach

Some students would opt for starting with Reg/ISC to build confidence and get moving before moving onto challenging areas.

Selecting the proper CPA Exam Order

Your CPA exam order should depend on:

• Academic background

• Working schedule

• Available preparation time

• Subject comfort level
  

Recommended Time Allocation

Approximate preparation hours:

• FAR → 350–400 hours

• AUD → 250–300 hours

• REG → 220–280 hours

• Discipline → 180–250 hours

When deciding which CPA exam to take first, which CPA exam to begin with, the most popular entry exam is usually FAR, but there's no hard and fast rule.

Students are encouraged to plan revision weeks and/or mock exams as part of a study schedule and not just when a lecture has been done. The early identification of weak points is beneficial to avoid last minute pressure at the exam. It is generally better to have consistent daily study sessions over a realistic schedule, rather than long sporadic hours in the days preceding the exam.

Statistically, FAR remains the hardest CPA exam section because of:

• Low pass rates

• Large syllabus

• Technical depth

• Retention pressure

The final answer will depend on the candidate, however.

For some students:

• AUD is more difficult because of conceptual ambiguity.

• It gets hard in REG due to memorization

• BAR creates challenges due to advanced reporting

Don't be intimidated by a section, but rather approach it with careful planning. All sections are attainable with the right study plan, consistency and reasonable expectations.

Also, another key factor to remember is that the difficulty of the sections is not as important as the quality of preparation. Candidates who can study systematically, practise simulations on a regular basis and revise regularly are likely to do well on any section. Many students also check out the CPA exam fees and the time that is involved before they begin preparation. The section is more likely to be a result of confidence, discipline and long-term consistency.