pareto principal

the pareto principle (aka the 80/20 rule): for many events, 80% of the results come from 20% of the causes. examples:

-you wear 20% of what’s in your closet 80% of the time.
-80% of the women date 20% of the men.
-80% of a company's profits come from 20% of its customers
-80% of all frustrations in a relationship are caused by just 20% of the problems
-80% of your stress can be linked to 20% of the people you surround yourself with
-20% of the foods you eat account for 80% of the weight you gain
-20% of your friends give you 80% of your enjoyment
-80% of the world's pollution comes from 20% of the factories
-80% of the awards/achievements go to 20% of athletes/artists/authors/actors
-20% of all the artists on spotify are responsible for 80% of the sales
-80% of your grades come from 20% of your efforts