UN-Habitat promotes transformative change in cities and human settlements through knowledge, policy advice, technical assistance, and collaborative action, to leave no one and no place behind.  It supports the formulation of policies for sustainable cities and human settlements and implements projects to provide tailored support to countries.

UN-Habitat mobilizes public, political and financial support and collaborative action to encourage qualitative change in national development plans, policy frameworks, development practice, and investment choices for sustainable urban development.

UN-Habitat collaborates with governments, intergovernmental, UN agencies, civil society organizations, foundations, academic institutions and the private sector to address the challenges of sustainable urbanization.