Digimon was one of many Japanese multimedia franchises to hit it big in the late 1990s/early 2000s, and it had some stiff competition. Rival property Pokémon vied for the same spotlight, with these two series' dominating kids popular culture back in their proverbial heydays. Sadly, only one of them is still going anywhere near as strong - and it's not Digimon.
Source:https://www.cbr.com/digimon-pokemon-rivalry-lost-anime/