How many top level domains (TLD) are currently available in total worldwide?

How many top level domains (TLD) are currently available in total worldwide? (*) more than 90 (*) more than 300 (*) more than 1500 (*) more than 3000


This is a companion discussion topic for the original entry at https://english.best/questions/1239,how-many-top-level-domains-tld-are-currently-available-in-total-worldwide/