Daniel L. Miller, United Nations Fund for Population Activities ; executive director Rafael M. Salas
1978

ECLAC-Economic Commission for Latin America and the Caribbean, CELADE-Latin American and Caribbean Demographic Centre
2003-

ONU-United Nations, Department of International Economic and Social Affairs
1991

ONU-United Nations, Department of Economic and Social Affairs, Population Division
2002-

United Nations, Economic Commission for Africa, Statistics Division
1983-1994

ONU-United Nations
1974-1977

ONU- United Nations, Department of Technical Co-operation for Development
1980

ONU-United Nations, Population Division, Department of Economic and Social Affairs
1953-2009

UNFPA-Fundo de População das Nações Unidas
1992-

ONU-United Nations, Department of Economic and Social Affairs, Statistics Division
1949-

FNUAP-Fundo das Nações Unidas para a População
1992

ONU-United Nations, Department of Economic and Social Affairs, Population Division
1997