Is 6ft even tall anymore?

I'm a 6ft, 20 year old guy and live in the north of England. I've been told that 6ft is meant to be tall, but is it? Everywhere I go all the guys are taller than me (significantly so) all my friends are taller than me. Even some of the girls are taller than me. Is 6ft still tall or is that average now?
Is 6ft even tall anymore?
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