World Bank's Human Development Network
World Child and Youth Forum
World Childhood Foundation
World Congress Against Commercial Sexual Exploitation
World Education
World Federation of Methodists & Uniting Church Women
World Learning
World Organization Against Torture
World Population Foundation
World Vision International
World Vision UK
Worldwatch Institute
WRG, Woman's Human Rights and Gender
WWF International
WWSF, Women's World Summit Foundation
Y-PEER, Youth Peer Education Network
Yemen Education Cluster
YMI, Young Men Initiative
Young and Well Cooperative Research Centre
Young Lives