this list contains the 133 united nations member states so far elected to the united nations security council, including the five permanent members, all listed by number of years each country has so far spent on the unsc. of all the members, 6 have so far ceased to exist, leaving the list with 127 modern nations. these, combined with the 66 modern nations that have never been elected to the unsc to date (see non-members, below), make up the entirety of the 193 current members of the un.