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Women's International League for Peace and Freedom

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An international feminist peace organization working to prevent war, challenge militarism, and advance human rights, disarmament, and social justice.

Last updated November 4, 2026

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Overview

The Women's International League for Peace and Freedom, commonly known as WILPF, is an international feminist peace organization and non-governmental organization. It brings together women from different political, philosophical, and religious traditions to examine the causes of war, oppose oppression and exploitation, and promote durable peace through political, economic, and social change. The organization is headquartered in Geneva and maintains a United Nations office in New York City. It has national sections in 37 countries. WILPF developed from the international women's peace movement created during the First World War. In January 1915, Jane Addams and Carrie Chapman Catt helped establish the Woman's Peace Party in the United States. The group supported women's suffrage and proposed that neutral states use continuous mediation to end the war. In April and May 1915, approximately 1,136 feminist pacifists from neutral and belligerent countries met at the International Congress of Women in The Hague. Organized with the involvement of Dutch pacifist and suffragist Aletta Jacobs and German activists Anita Augspurg and Lida Gustava Heymann, the congress criticized the war and adopted proposals for international mediation, disarmament, and a more cooperative international order. It also created the International Committee of Women for Permanent Peace, with Jane Addams as president. At a second congress in Zürich in 1919, delegates criticized the postwar peace settlement as punitive and argued that its treatment of defeated states could create conditions for another war. The committee was made permanent and adopted the name Women's International League for Peace and Freedom. Its international headquarters moved to Geneva because of the city's proximity to the proposed League of Nations. WILPF supported international law and multilateral institutions while remaining critical of military coercion, economic blockades, imperialism, and the concentration of power in international organizations. Throughout the interwar period, WILPF campaigned for general disarmament, negotiated settlements, economic justice, and the reduction of imperial domination. It supported initiatives including the Washington Naval Treaty and the Kellogg-Briand Pact as imperfect but useful steps toward a system in which states would renounce war. During the 1930s it also supported relief for Europe's Jewish population and addressed the relationship between nationalism, racism, militarism, and political repression. Its leaders included internationally recognized peace advocates Jane Addams and Emily Greene Balch, both of whom later received the Nobel Peace Prize. After the Second World War, WILPF expanded its engagement with the United Nations and other international institutions. It has held consultative status with the United Nations Economic and Social Council since 1948 and maintains relationships with organizations including UNESCO, UNCTAD, the International Labour Organization, the Food and Agriculture Organization, and UNICEF. Its advocacy has included democratizing the UN system, reforming the Security Council, challenging the veto, resisting the privatization and corporatization of international institutions, and strengthening the role of civil society in global decision-making. From the 1960s and 1970s onward, WILPF participated in anti-war and human-rights activism, including campaigns on political imprisonment, the Vietnam War, nuclear weapons, and gender-based violence. In the twenty-first century, its work is organized around movement building, feminist approaches to peace and security, disarmament, socio-economic justice, human rights, and crisis response. Its Women, Peace and Security work, known as PeaceWomen, monitors and advocates around the UN women, peace, and security agenda. WILPF also maintains specialist initiatives such as Reaching Critical Will, which focuses on disarmament policy and negotiations. The organization remains a transnational advocacy network rather than a commercial brand, with its identity centered on feminist peacebuilding, antimilitarism, international solidarity, and grassroots participation.

History

WILPF's history begins with the international feminist response to the First World War. In January 1915, Jane Addams and Carrie Chapman Catt helped form the Woman's Peace Party in Washington, D.C. Its platform connected peace with women's political rights and called for mediation by neutral countries rather than victory through military force. The organization sent delegates to the International Congress of Women held at The Hague from 28 April to 1 May 1915. The congress brought together roughly 1,136 women from countries on both sides of the conflict as well as neutral states. Aletta Jacobs helped convene the meeting, while Anita Augspurg and Lida Gustava Heymann were among the organizers. Delegates condemned the war, proposed permanent mechanisms for arbitration and mediation, supported international disarmament, and argued that women should have a meaningful role in decisions concerning war and peace. They established the International Committee of Women for Permanent Peace, with Jane Addams as president. The US Woman's Peace Party subsequently became the American section of the new international organization. At the second international congress in Zürich in 1919, delegates assessed the peace treaty being negotiated after the war. They argued that a settlement based on punishment and victors' interests could reproduce the grievances and instability that had contributed to conflict. The committee therefore became permanent and adopted the name Women's International League for Peace and Freedom. Its headquarters moved to Geneva, placing it close to the emerging League of Nations while preserving an independent critical relationship with that institution. During the 1920s and 1930s, the organization developed an international program addressing disarmament, international law, economic imperialism, colonial domination, and the social roots of militarism. WILPF supported the Washington Naval Treaty and the Kellogg-Briand Pact as partial advances, while insisting that treaties would be inadequate without broader economic and political transformation. It also worked on humanitarian relief and opposed persecution, including measures to assist Europe's Jewish population before the Second World War. The organization faced criticism in some countries, including accusations of disloyalty during the American First Red Scare, but the US section continued to grow in visibility and membership. WILPF's later history broadened its understanding of peace from the absence of armed conflict to a wider system of human rights and social justice. During the 1960s and 1970s it joined anti-war activism, opposed nuclear weapons and other forms of militarization, and supported political prisoners, including Vietnamese activist Ngo Ba Thanh. Its international networks also engaged questions of race, colonialism, nationalism, economic inequality, and the relationship between women's rights and security. The United Nations became a central arena for WILPF's postwar advocacy. Since obtaining ECOSOC consultative status in 1948, the organization has monitored UN deliberations, participated in policy advocacy, and pressed for more democratic and accountable international institutions. It has maintained special relationships with UNESCO and UNCTAD and links with the ILO, FAO, UNICEF, and other agencies. Its UN agenda has included reform of the Security Council, opposition to the veto, disarmament, and resistance to the privatization or corporatization of global governance. In the twenty-first century, WILPF operates through programs focused on human rights, women, peace and security, disarmament, crisis response, socio-economic justice, feminist peace research, and movement building. PeaceWomen tracks implementation of the UN women, peace and security framework and supports advocacy by women peace activists. Reaching Critical Will contributes specialist research and campaigning on arms control and disarmament. Across these activities, WILPF retains the founding premise that sustainable peace requires addressing structural inequality, militarism, exploitation, and exclusion, not only negotiating the end of individual wars.

  • 2006

    WIPSEN-Africa is established

    [1]

    A Ghana-based regional initiative was founded by Leymah Gbowee, Thelma Ekiyor, and Ecoma Bassey Alaga to advance women's peace and security work in Africa.

  • 2000

    PeaceWomen is founded

    [1]

    WILPF launched its Women in Peace and Security Programme to monitor UN policy and support advocacy on women's participation and protection in conflict settings.

  • 1948

    ECOSOC consultative status begins

    [1]

    WILPF obtained consultative status with the UN Economic and Social Council and developed a lasting role in UN advocacy.

  • 1946

    Emily Greene Balch receives the Nobel Peace Prize

    [1]

    Emily Greene Balch received the Nobel Peace Prize, reflecting the international importance of the peace movement with which WILPF was associated.

  • 1931

    Jane Addams receives the Nobel Peace Prize

    [1]

    Jane Addams was awarded the Nobel Peace Prize for her peace work and international outlook.

  • 1919

    WILPF is formally named and headquartered in Geneva

    [1]

    The Zürich congress made the peace committee permanent, adopted the WILPF name, and moved its headquarters to Geneva.

  • 1915

    Woman's Peace Party is formed in the United States

    [1]

    Jane Addams and Carrie Chapman Catt helped establish the Woman's Peace Party, a predecessor of WILPF that linked women's suffrage with international mediation and opposition to war.

  • 1915

    International Congress of Women meets at The Hague

    [1]

    More than one thousand feminist pacifists from multiple countries met to oppose the First World War and design institutions for preventing future conflicts.

Products and positioning

A feminist, transnational, antimilitarist civil-society organization that combines grassroots organizing, policy research, UN advocacy, and international movement building to address the structural causes of war and insecurity.

  • Women, peace and security programme · 2000

    PeaceWomen

    PeaceWomen is WILPF's women, peace and security initiative. It monitors the work of the United Nations in this field, produces advocacy and policy resources, and supports efforts to strengthen implementation of international commitments on women's participation, protection, and rights in conflict prevention and resolution.

  • Disarmament advocacy programme

    Reaching Critical Will

    Reaching Critical Will is WILPF's specialist disarmament advocacy initiative. It follows multilateral arms-control negotiations and disarmament institutions, supplies civil-society analysis, and works to connect weapons policy with humanitarian, gender, and peacebuilding concerns.

  • Human-rights advocacy programme

    Human Rights Programme

    The Human Rights Programme links feminist peace analysis with international human-rights advocacy. Its work addresses the protection of activists, structural inequality, gender-based violence, and the rights implications of militarism and armed conflict.

  • Crisis response and peacebuilding programme

    Crisis Response Programme

    The Crisis Response Programme addresses conflict and emergency situations through feminist analysis, advocacy, and support for locally led peace and human-rights responses.

Marketing campaigns

  • 2010Nuclear and conventional weapons elimination advocacy

    International

    WILPF has campaigned for the elimination of nuclear weapons and challenged the humanitarian and gendered consequences of militarized security systems.

    Outcome. The work continues through WILPF's disarmament programmes and UN advocacy.

  • 2000Women, Peace and Security advocacy

    International and United Nations system

    Through PeaceWomen, WILPF monitors UN policy and promotes women's participation in conflict prevention, peace negotiations, reconstruction, and security governance.

    Outcome. The programme became a continuing platform for civil-society engagement with the UN women, peace and security agenda.

  • 1960Anti-war and political-prisoner activism

    International

    During the anti-war movements of the 1960s and 1970s, WILPF opposed military intervention and supported the release of political prisoners, including Vietnamese activist Ngo Ba Thanh.

    Outcome. The campaigns expanded WILPF's human-rights and anti-militarist profile.

  • 1930International disarmament advocacy

    International

    WILPF promoted general disarmament and treated naval limitation and the renunciation of war as steps toward a cooperative international order.

    Outcome. The organization supported the Washington Naval Treaty and Kellogg-Briand Pact while continuing to demand more comprehensive disarmament.

  • 1915International Congress of Women

    International

    WILPF's predecessor movement convened women from countries affected by or neutral in the First World War to oppose militarism and propose mediation, arbitration, disarmament, and women's participation in peace decisions.

    Outcome. The congress created the International Committee of Women for Permanent Peace, which became WILPF in 1919.

Brand decisions

  • 2000

    Create a dedicated Women, Peace and Security programmeStrategy

    Background

    Growing international recognition of women's roles and rights in conflict prevention and peacebuilding required specialized monitoring and advocacy.

    Action taken

    WILPF established PeaceWomen to follow UN policy, support advocates, and promote implementation of women, peace and security commitments.

    Aftermath

    The programme became one of the organization's principal international advocacy platforms.

  • 1948

    Enter formal United Nations consultative engagementStrategy

    Background

    Postwar international governance created new channels through which civil-society organizations could influence multilateral policy.

    Action taken

    WILPF obtained consultative status with the UN Economic and Social Council and developed relationships with additional UN agencies.

    Aftermath

    UN monitoring and advocacy became a permanent part of WILPF's operating model.

  • 1919

    Make the peace committee permanent and adopt the WILPF nameStrategy

    Background

    The postwar Zürich congress concluded that the organization needed a permanent structure rather than remaining a temporary wartime committee.

    Action taken

    Delegates established the permanent Women's International League for Peace and Freedom and moved its headquarters to Geneva.

    Aftermath

    The decision created the enduring international organization and positioned it near the League of Nations and later UN institutions.

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