Pareto Principle

80% of results come from 20% of actions.

• 80% of wealth is held by 20% of people
• 20% of drivers cause 80% of all traffic accidents
• 20% of employees are responsible for 80% of the results
• 20% of sales reps closed 80% of the sales
• 20% of the patients use 80% of the health care resources
• 80% of the errors and computer crashes are caused by 20% of the bugs involved.
• People wear around 20% of their clothes 80% of the time.
• 20% of the apps are used 80% of the time