Pokémon is the biggest multimedia franchise in the world, and after nearly three decades, it's still going strong. Pokémon continues to find new life through anime series, feature films, and genre-bending spinoffs. However, Pokémon's video game roots run deep, and video games are still the best place to discover new Pokémon. Each new mainline Pokémon title adds more original creatures to the franchise's growing Pokédex.
Source：https://www.cbr.com/how-many-pokemon-in-each-generation/
