80% of crimes are committed by 20% of criminals. 80% of sales are from 20% of clients. 80% of project value is achieved with the first 20% of effort. 80% of your knowledge is used 20% of the time.
80% of results are produced by 20% of causes.\n\n So, here are some Pareto 80 20 rule examples: 20% of criminals commit 80% of crimes. 20% of drivers cause 80% of all traffic accidents. 80% of pollution originates from 20% of all factories.