what is the most popular anime

The popularity of anime can vary depending on personal preferences and trends, but some of the all-time most popular and influential anime series include:

1. "One Piece"
2. "Naruto" and its sequel series "Naruto Shippuden"
3. "Dragon Ball" and its various extensions like "Dragon Ball Z" and "Dragon Ball Super"
4. "Attack on Titan"
5. "Death Note"
6. "Fullmetal Alchemist: Brotherhood"
7. "Sword Art Online"
8. "Demon Slayer: Kimetsu no Yaiba"
9. "My Hero Academia"
10. "One Punch Man"

These are just a few examples, and the popularity of anime is always changing with new releases and rising stars.