Tally marks are different around the world

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image showing Tally marks are different around the world

saltypurplepineapple on June 20th, 2021 at 15:14 UTC »

"One, two, three, four, number five shuts the door."

PokemonBeing on June 20th, 2021 at 15:39 UTC »

I'm from Spain and we use the first one

laukiantis-vyras on June 20th, 2021 at 16:41 UTC »

As u/m1nit pointed out, the one used in East Asia is actually a Chinese character And it seems like there is no particular reason for using this character as a tally mark other than it being a simple and well-known 5-stroke character, given that the character for the number 5 (五) is, curiously enough, a 4-stroke character