Urdal, Henrik (2011) Demographic Aspects of Climate Change, Environmental Degradation and Armed Conflict, in United Nations, ed., Population Distribution, Urbanization, Internal Migration and Development: an International Perspective. New York: United Nations Population Division (243–263).
Østby, Gudrun; & Henrik Urdal (2010) Education and Civil Conflict: A Review of the Quantitative, Empirical Literature, Background paper for the Education for All Global Monitoring Report 2011, The hidden crisis: armed conflict and education. Oslo: UNESCO.
Urdal, Henrik; & Kristian Hoelscher (2009) Urban Youth Bulges and Social Disorder: An Empirical Study of Asian and Sub-Saharan African Cities, Policy Research Working Paper, 110. Washington, DC.
Barakat, Bilal; & Henrik Urdal (2009) Breaking the Waves? Does Education Mediate the Relationship Between Youth Bulges and Political Violence?, Policy Research Working Paper, 114. Washington, DC: The World Bank.
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.