Just curious, what did you have in mind? I cannot think of any extant religious institution with the kind of centralized singular organizational structure that

Just curious, what did you have in mind? I cannot think of any extant religious institution with the kind of centralized singular organizational structure that the RCC has. Many “religions” (using quotes here because the concept of a religion is a bit of a complicated topic) are older than Catholicism but are or were more decentralized - like Hinduism.