Comprehensive demographic study of the Philippines prepared as part of the ESCAP country monograph series on population. The publication examines historical and contemporary trends in population growth, distribution, and composition, including fertility, mortality, nuptiality, migration, and urbanization. It analyzes the relationships between demographic change and socio-economic development, covering employment, education, nutrition, housing, natural resources, and the status of women. Drawing on census data, surveys, and administrative records, the volume provides a detailed account of the country’s population dynamics and their implications for development planning. The monograph is intended to support policy formulation and the integration of population considerations into national socio-economic development strategies.