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Kriskao t1_iymjodr wrote

This would make sense in the Southern Hemisphere where school is February to December, but makes less sense in most of the world, where school begins in August or September.

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scandinavianleather t1_iymv8j0 wrote

Doesn't matter when schools starts, it matters where the age cutoff is. I live in Canada where school starts in September, but you are divided by birth year. Is that not the norm in the Western World?

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InterMando5555 t1_iymxfz6 wrote

In the US (well at least my school district in Minneapolis) it oriented around a school calendar i.e. those born September 2000 to August 2001 were all in the same class. People born in September and October were always the oldest in their class. Long story short this graph and the interpretation of this graph is wrong for a number of geographical and cultural inconsistencies.

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Dontknowhowtolife t1_iyoar9z wrote

I live in Argentina where school year is March- December and you're divided from July (born in year n) to June (born in year n+1)

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dcolomer10 t1_iynb4ju wrote

It’s the cutoff, not when it starts. In most European countries such as my own, you play with people from your age group, which is your calendar year. So, people born in January are playing with people born in December, nearly a year younger. This is especially beneficial for physical sports where a year difference can be very influential.

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bradles0 t1_iynczd6 wrote

There are two cutoff points, one in September at the beginning of the school year, and one in January at the beginning of the calendar year.

Oh hey guess where the two spikes are...

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