A population is a summation of all the organisms of the same group or species, who live in the same geographical area, and have the capability of interbreeding.
• Several factors determine the impact of a society on natural resources.
– Population size
– Population density
– Degree of technological development
Demography - Study of populations and their characteristics
Factors Affecting Birth Rates and Total Fertility Rates
• Children in Labor Force
• Cost of raising and educating children
• Availability of pension systems
• Urbanization
• Education and employment for women
• Infant mortality rate
• Average marrying age
• Abortion
• Availability of birth control
Cutting Global Population Growth
• Improve health care
• Elevate the status of women
• Increase education
• Family planning
• Involve men in parenting
• Reduce poverty
• Sustainability
Sources of Population Statistics
1. National Survey
2. Registration of vital events
3. Demographic Studies
4. Census