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Pareto Principle

Overview

The Pareto principle states that, for many events, roughly 80% of the effects come from 20% of the causes.

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Key Takeaways

  1. Focus the majority of effort on the areas that will bring the largest benefits to the most users.

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Origins

Its origins stem back to Vilfredo Pareto, an economist who noticed 80% of Italy’s land was owned by 20% of the population. Though it might seem vague, the 80/20 way of thinking can provide insightful and endlessly applicable analysis of lopsided systems, including user experience strategy.

Source

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Further Reading

  1. The 80/20 Rule in User Experience

    Arin Bhowmick | Medium

  2. Applying the Pareto Principle to the User Experience

    Jeff Sauro | Measuring U

  3. The Pareto Principle and Your User Experience Work

    Interaction Design Foundation

  4. Pareto Principle on Wikipedia

    Wikipedia