In most places, 20% of something will account to 80% of usage.
For instance, 20% of the English words will make up 80% of the English language.
And this is followed in almost every language.
Another example is 20% of people will have 80% of the total money in the world.
[The Zipf Mystery](https://youtu.be/fCn8zs912OE) by Vsauce is an amazing video about this.
It’s kind of crazy when you think how mathematically accurate this is in almost every language.
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