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List of members of the United Nations Security Council

List of members of the United Nations Security Council is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand List of members of the United Nations Security Council rather than just read about it. In short: Membership of the United Nations Security Council is held by the five permanent members and ten elected, non-permanent members. Being elected requires a two-thirds majority vote from the United Nations General Assembly.

List of members of the United Nations Security Council — main illustration
List of members of the United Nations Security Council — illustration

Key takeaways

  • List of members of the United Nations Security Council belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect List of members of the United Nations Security Council to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of List of members of the United Nations Security Council from memory before moving on to harder problems.

Reference excerpt

Membership of the United Nations Security Council is held by the five permanent members and ten elected, non-permanent members. Being elected requires a two-thirds majority vote from the United Nations General Assembly. Elected members hold their place on the council for a two-year term, with five seats contested in even years and five seats contested in odd years. An outgoing member cannot be immediately re-elected. Elections usually begin in June for a term starting January 1. Because of the two-thirds majority requirement, it is possible for two evenly matched candidates to deadlock with approximately half the vote each, sometimes needing weeks of negotiations to resolve. Non-permanent seats are distributed geographically, with a certain number of seats allocated to each of the five United Nations Regional Groups.

Current membership Permanent members

Non-permanent members

Regional Groups

The ten non-permanent seats have the following distribution:

African Group: 3 members Asia-Pacific Group: 2 members Eastern European Group: 1 member Latin American and Caribbean Group (GRULAC): 2 members Western European and Others Group (WEOG): 2 members In addition, one of the five African/Asian seats is an Arab country, alternating between the two groups. This rule was added in 1967 for it to be applied beginning with 1968.

Electoral timetable

* The representative of Arab nations alternates between these two spaces. The odd/even distribution was effectively decided by the January 1946 and 1965 elections (the first ever election, and the first election after the expansion of seats). For each of the six and four members in the newly created seats, the UN General Assembly voted to grant either a 1-year or 2-year term.

Previous Security Council composition From 1946 to 1965, the Security Council had six non-permanent members. Due to a lack of African and Asian member states, the seats had the following distribution:

Latin America: 2 members Commonwealth of Nations: 1 member Eastern Europe: 1 member Middle East: 1 member Western Europe: 1 member As decolonization increased the number of Asian and African member states without a group, they began to contest other seats: Ivory Coast substituted a member of the Commonwealth in 1964–1965, the Eastern European seat regularly included Asian countries from 1956, Liberia took the place of a Western European country in 1961, and Mali successfully contested the Middle Eastern seat in December 1964 (the Security Council would be expanded before Mali's term began). An amendment to the UN Charter ratified in 1965 increased the number of non-permanent seats to 10, and the Regional Groups were formally applied to the seats. The amendment effectively created three African seats and one Asian seat, if treating the Commonwealth seat as a WEOG seat and the Middle Eastern seat as an Asian seat. (In practice, the Commonwealth seat was by then treated as a de facto African seat.)

Membership by year

Permanent

Non-permanent (1946–1965)

Non-permanent (1966–present) The African Union uses an internal rotation system to distribute seats based on its subregions:

1 odd-year seat alternates between Eastern Africa and Southern Africa (only Eastern Africa prior to the creation of the Southern Africa subregion in 1979) 1 even-year seat is allocated to Western Africa 1 even-year seat alternates between Northern Africa (the Arab nation seat) and Central Africa (with one exception at the beginning in 1966) Aside from the Asia-Pacific Group also allocating an Arab nation seat every four years (in even years not divisible by 4), other regional groups do not have their own subregional rotation systems. The Arab nation seat is starred below. The Western European and Others Group in part contains three caucusing subgroups (Benelux, the Nordic countries, and CANZ), whose candidates informally coordinate with each other. While this has not resulted in a stable rotation system, it effectively guarantees that both seats will never be occupied by a single subgroup at the same time.

List by number of years as Security Council member This list contains the 139 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 133 modern nations. These, combined with the 60 modern nations that have never been elected to the UNSC to date (see Non-members, below), make up the 193 current members of the UN. Years on the Security Council, as of 2026, including current year where relevant :

Future membership

UN members that have never been Security Council members This is a list of the 60 member nations that have never been members of the Security Council. The three former UN members that were not elected to the Security Council during their membership are Tanganyika, Zanzibar, and Serbia and Montenegro.

Former UN members that were never UNSC members

See also

United Nations Regional Groups Member states of the United Nations List of members of the United Nations Economic and Social Council List of members of the United Nations Commission on Human Rights

References

Illustrations

List of members of the United Nations Security Council: Member states of the United Nations that have never been members of the United Nations Security Council as of 2026[update]
Member states of the United Nations that have never been members of the United Nations Security Council as of 2026[update]

Worked examples

Example 1 — a first encounter with List of members of the United Nations Security Council

Start with the simplest possible case. Write down what List of members of the United Nations Security Council claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to List of members of the United Nations Security Council before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about List of members of the United Nations Security Council ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of List of members of the United Nations Security Council

In research
List of members of the United Nations Security Council appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses List of members of the United Nations Security Council in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
List of members of the United Nations Security Council is common in secondary-school and first-year university syllabi. It links to neighbouring topics Countries by international organization, Lists of countries, United Nations-related lists, so understanding it makes those chapters shorter.
In everyday life
Look for List of members of the United Nations Security Council outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study List of members of the United Nations Security Council in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what List of members of the United Nations Security Council means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain List of members of the United Nations Security Council out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is List of members of the United Nations Security Council in simple terms?

Membership of the United Nations Security Council is held by the five permanent members and ten elected, non-permanent members. Being elected requires a two-thirds majority vote from the United Nations General Assembly.

Why does List of members of the United Nations Security Council matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study List of members of the United Nations Security Council?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on List of members of the United Nations Security Council.

Tags

  • Countries by international organization
  • Lists of countries
  • United Nations-related lists
  • United Nations Security Council
  • United Nations Security Council elections

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