Many countries work together.
Many lands work together to keep peace.
This group has fifteen members. Five of these members stay on the council for a long time. The others are chosen for two years.
The five long-term members have a special power. They can stop a new rule from passing. This is called a veto.
The group can send people to help. These people help keep peace in many lands. 
They work hard to make the world safe.
The United Nations Security Council helps keep peace in the world.
This group was made in 1945 after World War II. It was meant to replace the League of Nations. The League of Nations tried to keep peace before. But it could not stop big wars.
There are 15 members on the Council. Five are permanent members. These are the United States, Russia, China, France, and the United Kingdom.
These five nations have a special power. It is called a veto. A veto lets one nation stop a new rule. Even if other members want the rule, a veto blocks it.
The other 10 members are elected for two years. The Council can send peacekeepers to help. These are soldiers, police, or civilians. 
During the Cold War, the Council was often stuck. Rivalry between the United States and the Soviet Union made work hard. After the Cold War, the Council did much more. It sent many missions to help places like Namibia and Cambodia. Today, the Council still works to keep the world safe.
The United Nations Security Council is a very important group. It is one of the six main parts of the United Nations. Its main job is to keep peace and safety around the world.
There are 15 members on the Security Council. Five of these are permanent members. They are the United States, Russia, China, France, and the United Kingdom. These five nations were the great powers among the Allies in World War II. The other 10 members are not permanent. They are elected by the General Assembly for two-year terms. The presidency of the Council changes every month. It rotates among the members in alphabetical order using English names.
The five permanent members have a special power called a veto. This power lets one country block a new rule. Even if all other members want the rule, a veto stops it.
The Council was created in 1945 after World War II. It was meant to replace the League of Nations. The League tried to keep peace but it could not stop big wars. 
After the Cold War ended in 1991, the Council did much more work. It sent many missions to help places like Namibia and Cambodia. Peacekeeping missions use soldiers, police, and civilians. These people are provided by member states to help. In the 2020s, the Council has faced new hard times. Some members have used their vetoes many times during recent wars. This has led to calls for new ways to change the Council's structure.
The United Nations Security Council (UNSC) is a primary organ of the United Nations. Its central mission is to maintain international peace and security. The Council holds unique authority among all United Nations bodies. It is the only group capable of issuing resolutions that are binding on all member states. This means all UN members must follow the Council's decisions. Through the UN Charter, the Council can identify threats to global peace. It can also determine if peace has been breached.
To address these threats, the Council uses several specific mechanisms. It can establish peacekeeping operations to stabilize conflict zones. It can also authorize military action to enforce its decisions. Another tool is the imposition of international sanctions. Sanctions are restrictive measures used to influence a country's behavior. Under Chapter VII of the Charter, the Council can authorize the use of force. These actions are designed to restore order and prevent further violence. Peacekeeping missions rely on military, police, and civilian personnel. These individuals are voluntarily provided by various member states.
The Council is composed of 15 different members. Five of these are permanent members: the United States, Russia, China, France, and the United Kingdom. These nations were the major powers among the Allies during World War II. The remaining 10 members are non-permanent. They are elected by the General Assembly to serve two-year terms. To ensure fairness in leadership, the presidency rotates monthly. This rotation follows the English alphabetical order of the members.
A defining feature of the Council is the power of the veto. Each of the five permanent members holds this right over substantive resolutions. A veto allows a single permanent member to block a draft resolution. This happens even if all other members support the decision. However, this veto power does not apply to procedural matters. The history of this power was shaped by intense negotiations. At the 1945 Yalta Conference, leaders agreed on this specific structure. Later, at the San Francisco Conference, a proposal to limit the veto was defeated by a vote of 20 to 10.
The Security Council was created in 1945 to succeed the League of Nations. The League had attempted to regulate international conflicts through various treaties. However, the League failed to prevent major aggressions in the 1930s. It lacked the participation of major powers like the United States and the USSR. The Security Council held its first session on 17 January 1946. This historic meeting took place at Church House in London. 
During the Cold War, the Council faced significant paralysis. Rivalry between the United States and the Soviet Union often blocked decisive action. Despite this, the Council managed some interventions. It authorized action in the Korean War and the Congo Crisis. It also deployed peacekeepers to Cyprus and the Sinai Peninsula. After the Soviet Union dissolved in 1991, peacekeeping expanded rapidly. The Council authorized major operations in Kuwait, Namibia, Cambodia, and Bosnia.
In the modern era, the Council continues to manage complex crises. In the 2020s, the Council has experienced renewed paralysis. Repeated vetoes regarding the wars in Ukraine and Gaza have caused tension. This has led to new calls for structural reform of the Council. The scale of peacekeeping remains massive. Currently, there are 11 active missions involving approximately 70,000 personnel. These troops come from over 120 contributing countries. The annual budget for these operations is about US $5.6 billion. The Council remains a central, though often contested, pillar of global governance.
🖼️ Images & Media (11)
More to explore
✨ What else?
Related topics you might enjoy
🔬 Go deeper
More advanced topics to explore
🪜 Step back
Simpler topics to build understanding
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.