When and how did we historically land on 18 as the age of adulthood?

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Pretty much the title. It seems 18 is universally recognized as the age of adulthood and I’m wondering why such a specific number. Why not 20 for example?

I know there are tribes around the world where children step into adulthood at a younger age, but usually there is some sort of rite of passage involved.

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Anonymous 0 Comments

Your height [stabilizes](https://www.researchgate.net/profile/Stephen-Cooper-7/publication/7273759/figure/fig1/AS:202536305860608@1425299826067/Human-growth-as-a-function-of-age-This-chart-developed-by-the-Center-of-Human-Health_W640.jpg) around 18 years.

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