How the United Nations decides who counts as a sovereign state and who does not
In short: The United Nations is the world's largest intergovernmental organization, currently comprising 193 sovereign states. While membership is open to all states that accept the UN Charter, admission is a political process requiring Security Council recommendation and General Assembly approval. This structure has created complex, decades-long disputes over sovereignty and representation.
The UN Charter, specifically Chapter II, Article 4, establishes that membership is open to states capable and willing to carry out the obligations of the organization. Admission is not automatic; it requires a recommendation from the Security Council—where five permanent members hold veto power—and a two-thirds majority vote in the General Assembly. This mechanism has historically been used as a tool of Cold War diplomacy, notably during the 1955 'package deal' that saw 16 countries admitted simultaneously after years of superpower deadlock.
Sovereignty is the fundamental requirement for membership, yet the UN's definition is inherently tied to international recognition. The case of the Republic of China (ROC) illustrates this clearly. An original 1945 member, the ROC held the permanent Security Council seat until 1971, when General Assembly Resolution 2758 recognized the People's Republic of China as the sole legitimate representative. This effectively expelled the ROC, and subsequent efforts by Taiwan to rejoin—whether as a separate state or under various other titles—have been blocked by the UN Office of Legal Affairs, which maintains that Taiwan is part of China.
The organization also manages the dissolution and merger of states through its membership rules. When the Soviet Union dissolved in 1991, the Russian Federation continued its membership, including its permanent Security Council seat. Conversely, when Czechoslovakia dissolved in 1992, both the Czech Republic and Slovakia applied for new membership, as neither sought to be the sole successor state. Similarly, the 1964 merger of Tanganyika and Zanzibar resulted in the single member state of Tanzania. These precedents show that while the UN is a body of sovereign states, its membership roster is as much a product of political consensus and historical transition as it is of legal definition.
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- Summary by Intellect · source: Member states of the United Nations
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