Pareto Chart (80/20 Rule)

Analysis tool based on the Pareto Principle by Vilfredo Pareto: 80% of effects come from 20% of causes. Identify the vital few from the trivial many.

How to use: Add items with their values (e.g., defects, sales, complaints). The chart automatically sorts by value and shows the cumulative percentage. Focus on items in the left 20% for maximum impact!

Support this project

Pareto Chart

Data Table

Item Value % of Total Cumulative %
No data yet. Add items above to start your analysis.

Recommended Reading

📘 The 80/20 Principle" by Richard Koc → Check on Amazon

Comprehensive exploration of the Pareto Principle applied to business, life, and productivity. The modern classic on the topic.

📄 "Cours d'économie politique" by Vilfredo Pareto (1896)

Original work where Pareto observed that 80% of Italy's land was owned by 20% of the population, leading to the principle.

📘 The 4-Hour Workweek" by Tim Ferris → Check on Amazon

Modern application of the 80/20 rule to productivity and lifestyle design, making it accessible to a wider audience.