The 80/20 Principle: The Secret of Achieving More With Less

Richard Koch
The 80/20 Principle: The Secret to Achieving More With Less - Book Cover
By Richard Koch

Why Read This Book?

In this new updated edition of the 80/20 Principle, Koch added new chapters to help you use the 80/20 rule in your life. This principle helps you to figure out which:

  • ​20% of inputs give you 80% of outputs

  • 20% of causes provide 80% of consequences

  • 20% of efforts offer you 80% of results

“Whether you realize it or not, the principle applies to your life, to your social world, and to the place where you work. Understanding the 80/20 Principle gives you great insight into what is really happening in the world around you.”
– Richard Koch

This book can help you if:

  • You want to become more productive, efficient, and effective.​

  • You want to enjoy more of your life.

  • You want to increase your subconscious potential.

  • You want to create a better future for yourself.


Short Summary

In a nutshell: Koch guides you through this journey from applying the principle to the business world, the notion of time, the power of social networks, relationships, and the connection between consciousness and subconscious.


1. Part I: Ouverture

This first part gives you an overview of what you will learn through the chapters as well as understanding certain terms such as the notion of 80/20 Analysis and 80/20 Thinking in order to put into practice the 80/20 Principle in your life. In this part you’ll learn:

  • ​Why the 80/20 Principle is important and why your environment is in constant imbalance (which you can use to your advantage).
  • How the 80/20 Analysis is used to compare causes and effects.
  • How 80/20 Thinking is a broader area going from mental models to habits in order to understand which causes are important in your life, identify them, and create distinct improvements.

2. Part II: Corporate Success Needn’t Be a Mystery

​This second part of the book offers you a summary to understand and use the most powerful ways to use the 80/20 Principle in the business world. You will learn:

  • ​Why the 80/20 Principle works in business.
  • The 10 golden rules for successful careers.
  • How you can raise profits.
  • Identify the ways where you make most of your revenue.

3. Part III: Work Less, Earn and Enjoy More

This third part looks at how you can increase and change your work-life balance for your best interest. You will learn:

  • ​Why a revolution of the understanding of Time is essential for your future (and no it’s not about Time Management, but beyond it, which will make you even more successful)
  • Which type of career will make you happiest?
  • How to improve the most important relationships in your life.
  • How to become ‘Lazy Smart’ for a maximum of success with a minimum of efforts.
  • The 7 Habits of Happiness.

4. Part IV: The 80/20 Future

This last part discusses how you can take the 80/20 Principle to the next level. You will learn:

  • Why networks became highly important for one’s life.
  • Some practical advice for being successful in the new world.
  • How to become ‘unique usefully and joyfully’.

5. Part V: The Principle Revisited

This last part discusses various feedback Koch received after the publication of his previous 80/20 book, and highlight 2 vital dimensions of the Principle, namely:

  • The efficiency Dimension.
  • The life-enhancing Dimension.


By reading this book I was able to take a whole new perspective about my life, I especially enjoyed:

  • The new way of looking at my relationships with others.

  • The new perspective about Time.

  • The ways I could use my subconscious for my best interest.

  • How to create my ideal career.

  • Taking a step back about what Happiness means to me.

The 80/20 Principle: The Secret to Achieving More With Less - Book Cover
By Richard Koch
Richard Koch

Richard John Koch (1950) is a British management consultant, entrepreneur, venture capital investor, and author of books on management, marketing, and lifestyle. He wrote several books on how to apply the Pareto principle (80/20 rule) in all walks of life. Koch has also used his concepts to make a fortune from several private equity investments made personally. His investments have included the Great Little Trading Company, Betfair, Plymouth Gin, and Filofax. Previously Koch had been a consultant at Boston Consulting Group and later a partner at Bain and Company, before leaving to start management consulting firm L.E.K. Consulting with Jim Lawrence and Iain Evans.