Pareto’s Law can be summarized as follows: 80% of the outputs result from 20% of the inputs. Alternative ways to phrase this, depending on the context, include: 80% of the consequences flow from 20% of the causes. 80% of the results come from 20% of the effort and time. 80% of company profits come from 20% of the products and customers. 80% of all stock market gains are realized by 20% of the investors and 20% of an individual portfolio.
