As of November 2002, the UN had 191 member states, including 51 charter members (the 50 countries that sent representatives to the San Francisco conference, plus Poland, which ratified the charter shortly afterward) and 140 states that have joined the organization since 1945, the great majority of them former colonial territories that have achieved independence. The table in this chapter shows the growth of UN membership, the roster lists the members of the UN in alphabetical order and gives the dates of their admission to the UN. The roster does not take account of the several federations or unions of states that were created or dissolved during membership.

Thus, Syria, an original member, ceased independent membership on joining with Egypt to form the United Arab Republic in 1958. On resuming its separate status in 1961, Syria also resumed separate membership, which is still officially dated from the country's original day of entry. Tanganyika and Zanzibar joined...