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