Securing a peaceful future
Responding to a world in transition
A changing world demands a resilient response. The United Nations employs a diverse range of mechanisms and tools to prevent conflict, foster people-centered, peaceful resolutions, and build sustainable peace, including through diplomacy, mediation, disarmament, peacekeeping, peacebuilding, justice and the rule of law, to address the evolving threats to international peace and security.
Hear Us. Act Now for a Peaceful World
Peace is not something done to or for young people. It must be built with them. Learn more about the UN campaign, Hear Us. Act Now for a Peaceful World, which partners with young people everywhere to build lasting peace.
The true cost of peace
Global military spending, which hit $2.7 trillion last year, is projected to reach $6.6 trillion by 2035 if current trends persist. The massive diversion of resources poses a serious threat to humanity's future by undermining sustainable peace and development.
A poet’s peace
Peace is not a silence you force into people’s mouths,” writes Maryam Bukar Hassan, a Nigerian spoken word artist and poet known as Alhanislam who has become the UN’s first Global Advocate for Peace.
Serving for peace, sacrificing for humanity
Since 1948, more than two million people have served as UN Peacekeepers. They provide security, stability and hope to many communities shattered by war. Explore their stories of service and sacrifice as well as courage and compassion.
The Expert Take
The Expert Take series looks at the UN’s value and legacy over the last 80 years, through the lens of people committed to helping others navigate the challenging transition from conflict to peace and security, sharing their vision, aspirations and solutions to the many complex realities on the ground.
Peace is not built in conference rooms. Peace is built in classrooms, in clinics, in communities.”
United Nations Secretary-General (António Guterres, 19 June 2025)
Fast facts
Watch and listen
Voices for peace
Women peacebuilders of Peru
In Peru, women are demanding a seat at the negotiating table and transforming how peace is built, one community at a time, from the grassroots up.
Everyday heroes of humanitarian work
In a world facing a staggering humanitarian crisis, hope is found in the actions of people who step up. This is the story of four UN Volunteers delivering real solutions on the frontlines of conflict and crisis in West and Central Africa.
Keeping learning alive
Education is more than learning for children in crises - it's a chance to heal and hope. Four aid workers in the State of Palestine and Syria share how they're helping children learn and keep their dreams alive despite the violence.
Key UN events
International Day of against Nuclear Tests
29 August 2025
Since nuclear weapons testing began in 1945, over 2,000 tests have left a tragic legacy of human and environmental devastation. The International Day calls for the cessation of all nuclear testing - a vital step toward a nuclear-weapon-free world.
International Day of Peace
21 September 2025
In a time of global uncertainty, it's more important than ever to mobilize for peace. On this International Day, the United Nations will launch a new campaign - "Hear Us. Act Now for a Peaceful World" - to empower young people as key agents of peace.
UN General Assembly High-level Week
22-26 September 2025
The 80th session of the UN General Assembly – under the theme “Better together: 80 years and more for peace, development and human rights” – comes at a pivotal moment to renew global commitment to multilateralism, solidarity and shared action for people and planet.
