how many states of usa
Of the few names that are being discussed, Puerto Rico is most likely to become the 51st state of America. As of now though, the number of states in USA is 50 -- and not 48, 49 or 51 as many people believe. The list of 50 states given below has been arranged in the order in which they were admitted to the Union, starting with Delaware on December 7, 1787, to Hawaii on August 21, 1959.