PMBOK Process Groups and PMBOK Knowledge Areas

Fahad Usmani, PMP

July 28, 2024

When I started my PMP exam preparation and read the PMBOK Guide for the first time, I did not fully understand knowledge areas and process groups in project management. I had difficulty grasping the distinction between the two. 

Every PMP aspirant gets confused about this initially and wonders why the PMBOK is not organized according to process groups.

These questions also bothered me, but after you read this post, you can untangle PMBOK process groups and PMBOK knowledge areas.

To understand this post, refer to page 25 in the PMBOK Guide 6th edition.

Let’s first understand the PMBOK process groups.

PMBOK Process Groups

In the PMBOK Guide, process groups represent the phases of a project’s lifecycle. They provide a structured approach to project management and logically address project management aspects. 

The five project-management process groups are:

  1. Initiation: This is the first process group that defines and authorizes the project or phase. In this group, management approves the project charter and appoints the project manager. Afterward, the project manager will identify the project stakeholders.
  1. Planning: In this group, the project-management team collects the requirements and establishes the scope, objectives, and course of action for the project. This involves developing project-management plans and defining project baselines, KPIs, and other control measures.
  1. Execution: This is the most important project phase, which consumes most of the budget and duration. In this group, you will execute the plan and develop the project deliverables. This involves coordinating people and resources, managing stakeholder expectations, and performing the work according to the plan.
  1. Monitoring and Controlling: In this group, you will track the project progress and compare it against the planned progress. If the project is not progressing as planned, then you will take the necessary corrective actions to bring it back on track. Key activities include measuring performance, reporting progress, and implementing the necessary changes to stay on track.
  1. Closing: This is the last process group, in which you will finalize all project activities to formally complete the project or phase. This includes closing project accounts, handing over deliverables, obtaining stakeholder acceptance, documenting the lessons learned, and releasing the project team members.

Each process group has processes that guide project managers through the necessary steps to ensure successful completion. These groups may or may not be sequential but often overlap, interact, and repeat throughout the project lifecycle.

PMBOK Knowledge Areas

The PMBOK Guide outlines 10 knowledge areas, each representing a critical aspect of project management. 

These knowledge areas are:

  • Project Integration Management: This is the key knowledge area, which ensures that the project elements are properly coordinated. This includes developing the project charter and project-management plan, directing and managing project work, and closing the project or phase.
  • Project Scope Management: This area involves defining and controlling what is included and excluded from the project. The key processes include collecting requirements, defining the scope, creating the work breakdown structure (WBS), and validating and controlling the scope.
  • Project Schedule Management: This knowledge area focuses on managing the project’s timely completion. This involves defining and sequencing activities, estimating activity durations, and developing and controlling the schedule.
  • Project Cost Management: This area involves planning, estimating, budgeting, funding, managing, and controlling costs to ensure that the project can be completed within the approved budget.
  • Project Quality Management: This knowledge area ensures that the project will satisfy the needs for which it was undertaken. This includes planning quality management, performing quality assurance, and controlling the overall project quality.
  • Project Resource Management: This area focuses on identifying, acquiring, and managing the resources needed to complete the project successfully. The key processes include planning resource management, estimating activity resources, acquiring resources, developing and managing the team, and controlling resources.
  • Project Communication Management: Communication is the key to project success, and a project manager spends most of their time in this area. This knowledge area ensures the timely and appropriate planning, collection, creation, distribution, storage, retrieval, management, control, monitoring, and disposition of project information to the appropriate stakeholders at the right time, in the right format and frequency.
  • Project Risk Management: This area focuses on identifying, analyzing, and responding to project risks. This includes planning risk management, identifying risks, performing qualitative and quantitative risk analysis, planning risk responses, implementing risk responses, and controlling risks.
  • Project Procurement Management: This knowledge area involves acquiring goods and services from outside the project team. The key processes include planning procurement management, conducting procurements, and controlling procurements.
  • Project Stakeholder Management: This area focuses on identifying all the people or organizations that are affected by the project, analyzing stakeholder expectations and impact, and developing appropriate management strategies for effectively engaging stakeholders throughout the project lifecycle.

These knowledge areas include the core technical subject matter required for effective project management and are integrated within the process groups to provide a comprehensive project management framework.

Relationship Between Process Groups and Knowledge Areas

  • Integration: Every knowledge area contains processes that are performed in different process groups. For example, project integration management involves processes in all five process groups.
  • Processes: Each process group contains processes that belong to various knowledge areas. For example, in the planning process group, scope planning, schedule planning, and cost estimating each belong to different knowledge areas.
  • Overlap: There is a significant overlap between process groups and knowledge areas. For instance, the monitoring-and-controlling process group involves scope, schedule, cost, quality, and risk-management processes.

Does the PMBOK Guide 7th Edition Contain These Process Groups and Knowledge Areas?

The PMBOK Guide 7th Edition significantly differs from the PMBOK Guide 6th Edition. 

The key differences are:

1. Structure and Approach

  • 6th Edition: This edition is organized around five process groups (i.e., Initiation, Planning, Execution, Monitoring and Controlling, and Closure) and 10 knowledge areas (e.g., Scope Management, Time Management, and Cost Management).
  • 7th Edition: This edition focuses on principles and performance domains, rather than process groups and knowledge areas. It emphasizes outcomes, rather than deliverables, and it is designed to be more flexible and adaptable to various project environments.

2. Content Organization

  • 6th Edition: This edition contains 49 processes, categorized under 10 knowledge areas and five process groups.
  • 7th Edition: This edition is structured around 12 project-management principles and eight performance domains. The principles guide behaviors and decision-making, while the performance domains represent a broader practice area.

Thus, the process groups and knowledge areas are not mentioned in the 7th edition of the PMBOK Guide.

You might wonder if you should understand the process groups or knowledge areas as the 6th edition is no longer valid.

You must understand the concept. The PMP exam is based on the PMP exam content outline, and you will find many of those concepts in the PMBOK Guide 6th edition. Both editions of the PMBOK Guide are different, and the information given in the PMBOK Guide 6th edition is not available in the 7th Edition.

Therefore, you must understand both versions of the PMBOK Guide to understand the project-management processes and pass the PMP exam.

Difference Between Process Groups and Knowledge Areas

Here’s a table that outlines the differences between Process Groups and Knowledge Areas in the PMBOK Guide:

AspectProcess GroupsKnowledge Areas
DefinitionChronological phases in the project lifecycleSpecific domains of project-management expertise
PurposeOrganizes project activities based on timingEnsures comprehensive coverage of project management
Number of ComponentsFive (i.e., Initiation, Planning, Execution, Monitoring and Controlling, and Closure)10 (i.e., Integration, Scope, Schedule, Cost, Quality, Resource, Communication, Risk, Procurement, Stakeholder)
FocusWhenever activities occur in the projectWhatever needs to be managed in the project
ScopeBroad, covering the entire project lifecycleDetailed, focusing on specific areas of project management
SequenceSequential, reflecting the project phasesNot sequential, processes performed as needed across the project lifecycle
RelationshipEncompasses processes from various knowledge areasContains processes that belong to different process groups

Summary

Understanding the distinction and relationship between process groups and knowledge areas is crucial for effective project management. Process groups provide a structured framework for managing a project’s lifecycle, while knowledge areas ensure comprehensive coverage of all aspects that are necessary for project success. Together, they form the backbone of the PMBOK Guide’s approach to project management.

Fahad Usmani, PMP

I am Mohammad Fahad Usmani, B.E. PMP, PMI-RMP. I have been blogging on project management topics since 2011. To date, thousands of professionals have passed the PMP exam using my resources.

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62 Comments

  1. Thanks for your sharing. It’s easy for understanding and help us distinguish between them.
    From Vietnam!

  2. Thank you so much for this explanation. All the facts in my brain that seemed so random now make sense.

  3. Can you assist me with the following information for my assignment. the Project Management Process Groups, Knowledge Areas and processes relating to each. Be able to list them in a
    table format.

  4. thank you for your blog, i has really opened my eyes, i failed the exam twice already and busy preparing for my third attempt

  5. Fahad, doesn’t the arrangement of knowledge areas from Integration to
    Stakeholder have importance ranking. If knowledge area is just “similar characteristics” of processes in different Process Group… don’t process like Develop Project Management Plan higher importance relative to some processes attached to other knowledge area? Isn’t the Integration Knowledge Area more like the CPU like one of my instructor said? Basically, I am asking if arrangement knowledge area has a pattern or characteristic if not logical reason..

    1. Every process is important. There is no use of develop project management plan if there is no direct and manage the work process.

      Relationship among the processes is so complex that you can not say that it is the exact sequence of knowledge areas though the PMBOK tried to be as logical as possible.

  6. During direct and manage project work process if any change is required, you will do so and update the project plan.

  7. Regarding the “Direct and Manage Project Work” process, how can updates to the project plan be an output? Wouldn’t a change to the project management plan require a change request? I am thinking the plan would already be approved and would require a formal change request instead of input into the planning process. Thanks

  8. hi Fahad, can you please explain the difference between the Project life cycle and Product life cycle? thanks.

  9. Blogs like this are very helpfull and clear…It isolates other things and one can concentrate on one process/knowledge area at a time…. I appreciate your blogs Fahad.. Thanks for explaining.

  10. Dear Fahad,

    Thanks for your blog. Like others it helped me also in differentiating and linking the process groups and Knowledge areas.
    I am planning to appear in the exam at the end of November 2014. Kindly let me know your opinion for the Rita book for the preparation.
    Secondly, Can you give me one practical example of any project that can help us all to link and to remember the process groups and processes.
    Third and lastly, how is primavera P8 software. Is it worth to do after completion of PMI certificate.

    Thanks again

    1. Rita is good, but I will suggest you go through the head first as well.

      Read these books along with the pmbok guide, it will help you link and remember the processes.

      Primavera is good software, of course it will help you in your career growth.

  11. Hi Fahad,

    I have a question regarding the studying pattern for the PMP examination

    We have process groups and the knowledge areas. The knowledge areas are categorized according to the process groups. Will it be helpful to study for the PMP exam process group wise or the knowledge area wise.

    Thanks,
    Krishna

  12. Hi Fahad,

    What does Late start and Early start & Late Finish and Early finish means.
    It a bit confusing.

    1. This is the activity ‘s flexibility. This shows how early or how late an activity can start/finish without affecting the project delay.

  13. Thanks Fahad,

    Sorry to bother you with my queries.Just want to understand the terms as i am studying.

    What do you mean by Requirements Traceability Matrix .

    1. Requirements Traceability Matrix connects each project requirements to its origin, defines its objective, business needs, etc.

  14. Thanks Fahad,

    In Cost Management , Determine budget process what does ” Rolling estimates to Control accounts”

    1. Generally in rolling wave planning or estimate, near term planning or estimate is performed with every detail while the future plan performed at higher level.

  15. Sure Fahad, i am going through each and every processes to understand the concept of Project Management.

    Can you please explain Activity Attributes process in Time Management .

    1. Activity attributes are properties of the activity. For example, when it will start, how much cost this activity will take to complete, what kind of resource this activity will use, name of successor activity, predecessor activity etc.

  16. Hello Praveen,

    Your aim should not be only pass the exam. This is an opportunity for you to excel yourself in project management framework.

    All project management processes are connected to each other and if you miss any of these, you may not get a full picture of it.

    You must concentrate on all knowledge areas and processes.

  17. Hi Fahad,

    From the exam point what are the topics in Scope Management chapter to be concentrated more on.

  18. Hi Fahad,

    While going through the Scope Management chapter i came across a term Project Management Information system in which configuration system is there.Could you please explain this.

  19. Hi Fahad,

    I got through your blog through google while i was looking out for the ITTOs understanding.
    Your blog is really excellent and easy to understand.
    Actually i am planning for my PMP exam by May 2014 for which i have started my studies.
    I have started by studying from Head First PMP and PMBOK simultaneously.
    A word of advise from you would be really helpful as to whether i am following the right way.

    1. You are going in good direction. Try to refer one more reference book, and practice some sample questions.

      Read the PMBOK guide as many times as you can.

  20. So is it worthwhile reading the PMBOK in process group or knowledge area like the it is set up?

  21. Hi Fahad,

    What is the best book/source to begin with PMP study?
    And later how do I proceed ?

  22. Hi Fahad,

    Your clarification on the uncertainties is very helpful. I have referred to your writing to aid me with a report I am compiling for students of mine. I am in the the Civil Engineering field. I however would like to know if you have insight into project management in the field of Construction. I am trying to depict the relationship between the process groups and knowledge areas from the point of view of a contractor, in the form of a matrix chart as in page 43 of the PMBOK.

    Have you got any publication in this regard?

    Thanks!

    1. Tools & Techniques describes in the PMBOK Guide applies equally to contractor and the client.

      Let me know if you have any specific query, I’ll try to find answer for you.

  23. Hi Fahad,

    Thanks your explanation. It gives general idea of what we are doing in each process group. Can you further explain what we are doing under Integration management for each process group.

    1. Sathish, I would recommend you to refer chapter four of the PMBOK Guide, i.e. project integration management to find in-depth detail of each process..

      I believe that after reading it you will have better understanding about each process.

  24. Hi Fahad,

    I visited your blog while searching meaning for PMP process. The way you explain concept is really amazing. Since then I become regular visitor of your blog. Can you explain what are we doing in integration knowledge area with process group wise?

    As per my knowledge in Planning process group under integration, we are integrating all the knowledge area plans into one cohesive whole. But I don’t have idea what we are doing under integration in Initiating, Execution, Monitor & Control & Closing. Please help

    1. Hello Sathish,

      Direct and Manage Project Execution process is about exercising the work defined in planning group,

      Monitor and Control Project Work &Perform Integrated Change Control are about the monitoring the change and approving/rejecting the change request. Finally, Close Project or Phase is about the activities related to formally closing of phase or the project.

    1. You’re welcome Maha.

      My favorite book is Head First PMP and I would recommend you the same.

  26. I love your blog, its really easy to read and understand. Im currently reviewing Chapter three and Im a bit confused to when it comes to the ITTO of the process groups and later on in chapter 4 they do ITTO for knowledge groups. I dont understand the difference. can you explain it to me please

    1. Hello Maha, thanks for visiting and liking my blog.

      I have gone through all your three comments and I can say that I understand your problem very well.

      You have two doubts, first one is about the difference between process group and knowledge area and second one is difference between process groups and phases.

      Regarding the difference between knowledge area and process group, please read my this blog post about it again.

      Regarding your second doubt – A project has five phases and each phase has several processes and each process has input, tool & technique and output.

      PMI has divided the PMBOK in nine knowledge areas and each knowledge area contains the relevant process in it.

      Chapter three of PMBOK guide gives you a general idea about all processes in short and then all remaining chapters talk it in details; therefore, you are seeing processes from chapter three repeating in other places.

      I also advice you to first read any good PMP exam reference book then go to the PMBOK guide. It will help you a lot to understand the PMBOK guide better.

  27. I love your blog – its really easy to read and understand. Im currently reviewing Capter 3- Project Management Processes for a Project and I have a question .
    Does each Process group have Input tools and techniques and outputs. because the same thing is also listed in chapter 4 and its confusing me.

    Why do they list ITTO in both chapter under the Knowledge and the process groups. I dont know the difference. do you mind explaining it to me please.

  29. I loved this explanation. I just started out preparing for PMP, and was very confused. You have no idea how you have removed that one mental block I had stuck in my head.

      1. Hi , can you please tell me how to study ? Shall i finish each knoweldge area and then get to the process groups or i study vertically (the process groups and corresponding k.a section) from left to right ?

        Thanks

  30. I had issues with “Process Group and Knowledge Area” while preparing for the PMP exam too.
    You did a good job in breaking it down, and using the Table 3-1 of PMBOK Guide 4th Edition.

    1. Not only you, I also had the same issue and more interestingly I did not find solution of it in any book referred by me. I think that this is the one of basic question that any new PMP aspirant may have…

  31. Project Management process groups are logical categorization of tasks or activities…

    Can you explain what do you mean by logical categorization?

    1. Initiation process group contains the processes relating to Initiating of the project and planning process group has the processes which will help the project manager to build the plan for the project.

  32. “…all these five process groups (e.g. Initiating, Planning, Monitoring & Controlling and Closing)…”

    Executing is missing (just to improve the quality of this content… pls delete this comment)

  33. Hi,

    Your Blog is very nice and easy to understand the complex. The way you write the articles in simple english is highly appriciated. Keep going…. Thanks…

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