Pareto principle
The Pareto principle is a concept introduced by Vilfredo Pareto That shows in many fields, 20% of the subject matter consumes 80% of use. This theorem came from Vilfredo Pareto's research on economics, and buying habits.
Reasoning[change | change source]
It is currently unknown why this phenomenon occurs, or why it is so prominent in every facet of the universe. Some hypothesize that it is a law of physics, that causes everything to act in such a way, While others hypothesize it could simply be a quirk of the human brain, spurring results to occur in this fashion.
Examples[change | change source]
In any given room, 20% of the floor is walked on 80% of the time.
In all languages, 20% of words are used 80% of the time.
20% of criminals commit 80% of crimes.
20% of employees are responsible for 80% of the results.
20% of a store's products make up 80% of sales.