The Complete List of Organisation of United Nations is an important topic for candidates preparing for SSC, UPSC, RRB, Banking, Defence, State PSC, Teaching, and other competitive exams. Questions related to United Nations Organizations, UN Specialized Agencies, UN Funds and Programmes, and their Headquarters are frequently asked in General Awareness and Current Affairs sections.

The United Nations (UN) is the world's largest international organization, established to maintain international peace, promote human rights, improve global health, encourage economic development, and strengthen cooperation among nations. Today, the UN works through several specialized organizations, funds, programmes, and subsidiary bodies to address global challenges.

This article explains the Complete List of Organisation of United Nations, their full forms, headquarters, establishment years, and major functions in a simple and exam-oriented manner.

Overview of Complete List of Organisation of United Nations

The Complete List of Organisation of United Nations includes Principal Organs, Specialized Agencies, Funds, Programmes, and Other Related Organizations. Together, these organizations work to solve global issues such as poverty, education, health, food security, climate change, labour rights, and humanitarian crises.

Particular	Details
Organization Name	United Nations (UN)
Established	24 October 1945
Headquarters	New York City, United States
Founder Members	51 Countries
Present Member States	193 Countries
Official Languages	Arabic, Chinese, English, French, Russian, Spanish
Main Objective	International Peace and Security
Secretary-General	António Guterres
Official Day	24 October (United Nations Day)

The above table provides a quick overview of the United Nations. These facts are frequently asked in SSC, UPSC, Banking, Railway, Defence, and State Government competitive examinations.

What is the United Nations?

The United Nations (UN) is an international organization founded after World War II to promote peace, security, cooperation, and sustainable development worldwide. It provides a common platform where countries work together to solve global problems through diplomacy and international cooperation.

Main Objectives of the United Nations

• Maintain international peace and security.
• Promote friendly relations among countries.
• Protect human rights.
• Support sustainable development.
• Improve healthcare worldwide.
• Reduce poverty and hunger.
• Promote quality education.
• Provide humanitarian assistance.
• Protect refugees.
• Address climate change and environmental issues.

These objectives guide every organization working under the United Nations system and form the foundation of global cooperation.

Classification of United Nations Organizations

The Complete List of Organisation of United Nations is divided into different categories based on their responsibilities. Understanding these categories helps candidates remember the organizations more easily during exam preparation.

Category	Number	Purpose
Principal Organs	6	Governance and administration of the UN
Specialized Agencies	15	Independent agencies working with the UN
Funds and Programmes	Multiple	Development and humanitarian assistance
Related Organizations	Several	International cooperation in specific sectors
Subsidiary Bodies	Various	Support the work of the General Assembly and ECOSOC

The classification table helps students understand how different UN organizations are structured. Instead of memorizing randomly, candidates can prepare category-wise for better retention.

Principal Organs of the United Nations

The United Nations has six principal organs established under the UN Charter. These organs are responsible for decision-making, international peace, justice, economic development, and administration.

United Nations Principal Organs at a Glance

Principal Organ	Headquarters	Main Function
General Assembly (UNGA)	New York	Policy-making and discussion
Security Council (UNSC)	New York	International peace and security
Economic and Social Council (ECOSOC)	New York	Economic and social cooperation
International Court of Justice (ICJ)	The Hague, Netherlands	Judicial organ of the UN
Secretariat	New York	Administrative work
Trusteeship Council	New York	Supervised trust territories (inactive since 1994)

The six principal organs form the backbone of the United Nations. Questions related to their headquarters, roles, and functions are common in government examinations.

United Nations General Assembly (UNGA)

The United Nations General Assembly (UNGA) is the main deliberative body of the UN where all 193 member countries have equal voting rights regardless of their size or economic status.

Key Functions of UNGA

• Discuss international issues.
• Approve the UN budget.
• Elect non-permanent Security Council members.
• Appoint the Secretary-General (on Security Council recommendation).
• Promote international cooperation.
• Adopt global resolutions.

United Nations Security Council (UNSC)

The United Nations Security Council (UNSC) is responsible for maintaining international peace and security. It is considered one of the most powerful bodies within the United Nations.

Key Facts

• Total Members: 15
• Permanent Members (P5): 5
• Non-Permanent Members: 10
• Permanent Members have Veto Power.

Permanent Members (P5)

• China
• France
• Russia
• United Kingdom
• United States

Major Responsibilities

• Prevent international conflicts.
• Approve peacekeeping missions.
• Impose sanctions.
• Authorize military action when necessary.

Economic and Social Council (ECOSOC)

The Economic and Social Council (ECOSOC) coordinates the economic, social, cultural, educational, and humanitarian work of the United Nations and its specialized agencies.

Main Functions

• Promote sustainable development.
• Coordinate UN specialized agencies.
• Improve healthcare and education.
• Reduce poverty.
• Support employment opportunities.
• Promote social development.

International Court of Justice (ICJ)

The International Court of Justice (ICJ) is the principal judicial organ of the United Nations. It settles legal disputes between countries according to international law.

Important Facts

Particular	Details
Headquarters	The Hague, Netherlands
Established	1945
Judges	15
Term	9 Years

The ICJ plays an important role in resolving disputes peacefully. Questions on its headquarters and judicial role are regularly asked in competitive exams.

United Nations Secretariat

The United Nations Secretariat carries out the daily administrative work of the organization. It supports all UN bodies and ensures the implementation of decisions taken by the General Assembly and Security Council.

Major Responsibilities

• Organize UN meetings.
• Prepare reports.
• Conduct peacekeeping administration.
• Coordinate global operations.
• Provide research and policy support.

Trusteeship Council

The Trusteeship Council was established to supervise trust territories and help them move towards self-government or independence. It suspended operations in 1994 after fulfilling its mandate.

Key Points

• Headquarters: New York
• Status: Inactive
• Suspended Operations: 1994

Complete List of UN Specialized Agencies

The UN Specialized Agencies are autonomous international organizations linked to the United Nations through agreements with ECOSOC. These agencies focus on specific global sectors such as health, labour, food, education, aviation, finance, agriculture, and industry.

The table below introduces the major United Nations Specialized Agencies. Their headquarters, full forms, and functions are among the most frequently asked topics in competitive examinations.

Agency	Full Form	Headquarters	Established	Main Work
FAO	Food and Agriculture Organization	Rome, Italy	1945	Food security and agriculture
WHO	World Health Organization	Geneva, Switzerland	1948	Global public health
UNESCO	United Nations Educational, Scientific and Cultural Organization	Paris, France	1945	Education, science and culture
ILO	International Labour Organization	Geneva, Switzerland	1919 (UN agency since 1946)	Labour standards and workers' rights
IMF	International Monetary Fund	Washington, D.C., USA	1944	Global financial stability
World Bank	International Bank for Reconstruction and Development (IBRD) Group	Washington, D.C., USA	1944	Development finance
ICAO	International Civil Aviation Organization	Montreal, Canada	1944	Civil aviation standards
IFAD	International Fund for Agricultural Development	Rome, Italy	1977	Rural development
UNIDO	United Nations Industrial Development Organization	Vienna, Austria	1966	Industrial development
WMO	World Meteorological Organization	Geneva, Switzerland	1950	Weather and climate
UPU	Universal Postal Union	Bern, Switzerland	1874	International postal services
ITU	International Telecommunication Union	Geneva, Switzerland	1865	Telecommunications
WIPO	World Intellectual Property Organization	Geneva, Switzerland	1967	Intellectual property protection
IMO	International Maritime Organization	London, United Kingdom	1948	Maritime safety
UN Tourism	United Nations Tourism (formerly UNWTO)	Madrid, Spain	1975	Sustainable tourism development

The above agencies form the core of the Complete List of Organisation of United Nations. Candidates should remember their full forms, headquarters, establishment years, and primary functions, as these are frequently asked in SSC, UPSC, RRB, Banking, Defence, and State-level competitive examinations.

UN Funds and Programmes

The UN Funds and Programmes are an important part of the Complete List of Organisation of United Nations. These organizations are created by the United Nations General Assembly to provide humanitarian assistance, promote sustainable development, protect human rights, and improve the quality of life across the world. They play a significant role in disaster relief, child welfare, refugee protection, environmental conservation, and women's empowerment.

Major UN Funds and Programmes

Organization	Full Form	Headquarters	Established	Main Function
UNICEF	United Nations Children's Fund	New York, USA	1946	Child protection, education, nutrition and healthcare
UNDP	United Nations Development Programme	New York, USA	1965	Sustainable development and poverty reduction
UNHCR	United Nations High Commissioner for Refugees	Geneva, Switzerland	1950	Protection and rehabilitation of refugees
WFP	World Food Programme	Rome, Italy	1961	Food assistance and emergency relief
UNEP	United Nations Environment Programme	Nairobi, Kenya	1972	Environmental protection and climate action
UN Women	United Nations Entity for Gender Equality and the Empowerment of Women	New York, USA	2010	Gender equality and women empowerment
UNFPA	United Nations Population Fund	New York, USA	1969	Reproductive health and population issues
UN-Habitat	United Nations Human Settlements Programme	Nairobi, Kenya	1978	Sustainable urban development
UNAIDS	Joint United Nations Programme on HIV/AIDS	Geneva, Switzerland	1996	HIV/AIDS prevention and awareness

The organizations listed above are among the most important United Nations Organizations for competitive examinations. Candidates should remember their headquarters, full forms, and primary functions for quick revision.

UNICEF

The United Nations Children's Fund (UNICEF) works for the welfare of children around the world. It supports education, vaccination, nutrition, child protection, emergency relief, and healthcare programmes in more than 190 countries.

Key Functions of UNICEF

• Protect children's rights.
• Improve primary education.
• Provide vaccination support.
• Reduce child malnutrition.
• Supply emergency relief during disasters.

United Nations Development Programme (UNDP)

The United Nations Development Programme (UNDP) is the leading UN agency working to eliminate poverty, improve governance, create employment opportunities, and promote sustainable development across developing countries.

Major Responsibilities

• Reduce poverty.
• Promote sustainable development.
• Strengthen democratic governance.
• Support climate resilience.
• Improve public institutions.

United Nations High Commissioner for Refugees (UNHCR)

The UNHCR protects refugees, asylum seekers, and displaced people who are forced to leave their homes due to war, conflict, or natural disasters.

Main Functions

• Refugee protection.
• Emergency shelter.
• Legal assistance.
• Rehabilitation support.
• Voluntary resettlement.

World Food Programme (WFP)

The World Food Programme (WFP) is the world's largest humanitarian organization fighting hunger. It provides emergency food assistance during conflicts, disasters, and humanitarian crises.

Key Responsibilities

• Emergency food distribution.
• School meal programmes.
• Nutrition support.
• Disaster relief.
• Food security initiatives.

United Nations Environment Programme (UNEP)

The United Nations Environment Programme (UNEP) coordinates international efforts to protect the environment and promote sustainable development.

Main Areas of Work

• Climate change.
• Biodiversity conservation.
• Pollution control.
• Plastic waste reduction.
• Environmental awareness.

UN Women

UN Women promotes gender equality and women's empowerment by supporting governments in creating equal opportunities for women in education, employment, leadership, and social development.

Major Objectives

• Gender equality.
• Women's safety.
• Economic empowerment.
• Leadership opportunities.
• Equal rights.

Other Important Organizations Associated with the United Nations

Apart from specialized agencies and funds, several organizations work closely with the United Nations to strengthen global cooperation in areas such as trade, nuclear safety, migration, and international commerce.

Important Related Organizations

Organization	Full Form	Headquarters	Main Function
IAEA	International Atomic Energy Agency	Vienna, Austria	Peaceful use of nuclear energy
WTO	World Trade Organization	Geneva, Switzerland	International trade regulation
IOM	International Organization for Migration	Geneva, Switzerland	Migration management
CTBTO Preparatory Commission	Comprehensive Nuclear-Test-Ban Treaty Organization	Vienna, Austria	Nuclear test monitoring

These organizations are often included in General Awareness questions because of their international importance and close association with the United Nations.

Full Forms of Important United Nations Organizations

Remembering the full forms of UN organizations is essential for SSC, Banking, UPSC, Railway, Defence, and State PSC examinations.

Short Form	Full Form
UN	United Nations
WHO	World Health Organization
UNESCO	United Nations Educational, Scientific and Cultural Organization
UNICEF	United Nations Children's Fund
UNDP	United Nations Development Programme
UNHCR	United Nations High Commissioner for Refugees
UNEP	United Nations Environment Programme
FAO	Food and Agriculture Organization
ILO	International Labour Organization
IMF	International Monetary Fund
ICAO	International Civil Aviation Organization
IFAD	International Fund for Agricultural Development
ITU	International Telecommunication Union
IMO	International Maritime Organization
WIPO	World Intellectual Property Organization
UPU	Universal Postal Union
WMO	World Meteorological Organization
UNIDO	United Nations Industrial Development Organization
WFP	World Food Programme
UNFPA	United Nations Population Fund

The above full forms are among the most frequently asked one-liner questions in competitive examinations and should be revised regularly.

Headquarters of Major United Nations Organizations

Questions related to headquarters are commonly asked in government exams. Learning them together helps improve retention and quick recall during revision.

Organization	Headquarters
United Nations	New York, USA
WHO	Geneva, Switzerland
UNESCO	Paris, France
FAO	Rome, Italy
UNICEF	New York, USA
UNDP	New York, USA
UNHCR	Geneva, Switzerland
WFP	Rome, Italy
UNEP	Nairobi, Kenya
ILO	Geneva, Switzerland
ICAO	Montreal, Canada
WIPO	Geneva, Switzerland
UPU	Bern, Switzerland
IMO	London, United Kingdom
UNIDO	Vienna, Austria
IAEA	Vienna, Austria
WTO	Geneva, Switzerland

Importance of United Nations Organizations for Competitive Exams

The Complete List of Organisation of United Nations is a high-scoring topic in General Awareness. Every year, questions are asked about UN agencies, headquarters, full forms, establishment years, and their major functions.

Preparation Tips

• Revise organizations category-wise.
• Memorize headquarters using tables.
• Learn all important full forms.
• Focus on establishment years.
• Read current affairs related to UN agencies.
• Practice previous year questions regularly.

Quick Revision of Complete List of Organisation of United Nations

The following points will help candidates revise the entire topic quickly before examinations.

• United Nations was established on 24 October 1945.
• Headquarters of the United Nations is New York, USA.
• The UN currently has 193 Member States.
• The United Nations has 6 Principal Organs.
• There are 15 Specialized Agencies associated with the UN.
• WHO works for global public health.
• UNESCO promotes education, science, and culture.
• FAO focuses on agriculture and food security.
• ILO protects labour rights.
• UNICEF works for children's welfare.
• UNDP supports sustainable development.
• UNHCR protects refugees.
• UNEP promotes environmental protection.
• WFP provides emergency food assistance.
• UN Women promotes gender equality.

Conclusion

The Complete List of Organisation of United Nations is one of the most important topics for competitive examinations because it covers international organizations that frequently appear in General Awareness and Current Affairs sections. Understanding the United Nations Organizations List, UN Specialized Agencies, UN Funds and Programmes, their full forms, headquarters, and functions helps candidates score better in SSC, UPSC, Banking, Railway, Defence, Teaching, and State Government exams. Instead of memorizing individual facts, students should prepare category-wise and revise regularly using summary tables for better retention.

Important Links
climate change	food security
health	education
labour rights	environmental protection