The United Nations (UN) is an international organization founded in 1945 after the Second World War. Due to its unique international character, and the powers vested in its founding charter, the UN can take action on a wide range of issues, and provide a forum for its 192 member states to express their views.
The UN has a number of programs and funds with whom ADB has formalized relations:
The memorandum of understanding  contains the partners' commitment to support poverty reduction at the regional and country levels in the Asia and Pacific the region. Priority areas include MDGs, environment, water, regional economic integration, social protection, and statistics.
The memorandum of understanding  provides the working arrangements particularly cost sharing arrangements to be implemented for investment-related and support activities. There is currently a grant agreement  for the implementation of the project "Prevention and Control of Avian Influenza in the Asia and the Pacific."
In 2010, ADB and FAO, together with the International Fund for Agricultural Development, signed the Asia-Pacific Regional Food Security Partnership Framework  to support the countries of Asia and Pacific region in their efforts to achieve food security through increased availability of, access to and utilization of adequate, safe and nutritious food by the poor and vulnerable.
The memorandum of understanding  seeks to intensify the partnership in urban infrastructure, with emphasis on the water and sanitation sector.
The memorandum of understanding  provides the operational framework and practical modalities for the cooperation focused on social protection.
The memorandum of understanding  contains the understanding to work together through advocacy, policy development, and knowledge management towards achieving the MDG related to HIV-AIDS, and reduce the risk and vulnerability of individuals and communities to HIV-AIDS.
The memorandum of understanding  provides the administrative arrangements in supporting international development in the Asia and the Pacific region. An example of this is the cooperation in implementing the ADB project "Capacity Development for Development Effectiveness Program" until April 2010.
The memorandum of understanding  contains the commitment to join forces to fight disparities, reduce poverty, and ensure equitable and sustainable development benefits for all children in Asia and the Pacific.
The memorandum of understanding  contains the working arrangements in implementing activities such as joint studies, projects, workshops, conferences, and exchange of information promoting industrial development for poverty reduction, inclusive globalization and environmental sustainability.
The letter of intent  contains the understanding to cooperate in education programs on the dangers of drug abuse, illicit crop monitoring, and anti-money laundering and anti-corruption programs.