There are currently NUMBER@1 countries party to the treaty , five of which have nuclear weapons : the LOCATION@1 , the LOCATION@2 , LOCATION@3 , LOCATION@4 , and the LOCATION@5 -LRB- the permanent members of the ORGANIZATION@1 -RRB- .

The five nuclear weapons states are LOCATION@6 , LOCATION@3 , the LOCATION@2 , the LOCATION@1 , and LOCATION@4 .
