Pareto chart
Pareto Chart — Visualize the Vital Few
A Pareto chart combines descending contribution bars with a cumulative percentage curve. Use ParetoScope to create one from your own data and see where the biggest impact is concentrated.
Interactive tool
Build a Pareto chart from your data
Paste data, import CSV content, or use the sample dataset to see your vital few and cumulative contribution.
Turn raw data into a clear 80/20 decision
Edit, analyze, compare and export — everything runs in your browser.
Your Pareto insight
The first 3 categories account for 80.3% of the total. Start your investigation here rather than treating every category equally.
Why use ParetoScope?
See the largest contributors first.
Read cumulative contribution at a glance.
Use a practical visualization for prioritization and improvement work.
Create the chart without signing up for the core workflow.
Common use cases
Defect frequency
Rank your data, identify the largest contributors, and focus improvement work where it has the greatest potential impact.
Sales contribution
Rank your data, identify the largest contributors, and focus improvement work where it has the greatest potential impact.
Customer revenue
Rank your data, identify the largest contributors, and focus improvement work where it has the greatest potential impact.
Inventory movement
Rank your data, identify the largest contributors, and focus improvement work where it has the greatest potential impact.
Support ticket categories
Rank your data, identify the largest contributors, and focus improvement work where it has the greatest potential impact.
Marketing performance
Rank your data, identify the largest contributors, and focus improvement work where it has the greatest potential impact.
Frequently asked questions
What does a Pareto chart show?
It shows categories ordered from largest to smallest contribution alongside a cumulative percentage line.
Why is the 80% line useful?
It provides a reference point for seeing how many top categories account for roughly 80% of the total, while recognizing that the actual ratio varies by dataset.
What is the difference between a Pareto chart and a bar chart?
A Pareto chart orders bars by contribution and adds a cumulative percentage curve, making concentration and prioritization easier to see.