Generational Breakdown of Regional Pokedexes

This topic comes up a lot, we all groan about the Kanto Pokemon in recent dexes and I got curious enough about what the exact breakdown per generation per dex and trends over the years were. And

Guide:Game design, Essentials Docs Wiki

Canon Regions on Pokemon-Regions - DeviantArt

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Generational Breakdown of Regional Pokedexes

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