click below
click below
Normal Size Small Size show me how
Population Pyramids
Population and Migration Chapter 2 - Population Pyramids
| Question | Answer |
|---|---|
| Demography | is concerned with population growth and the characteristics of the population |
| Important Characteristics | age and gender |
| Sex Ratio | the number of males compared to females in a population |
| Population Pyramid | analyzing it is one of the easiest ways to identify a population's sex ratio |
| Population Pyramids | chart populations on a graph |
| Population Pyramid Graphs | breaks down the population based on both gender and age and can be analyzed in terms of the DMT |
| Population Pyramids | good ways to analyze population projections |
| Population Projections | use demographic data to determine future population |
| Population Projections | only work if the governmental structure and cultural customs remain the same |
| Population Pyramids of Less Developed Countries | have a wide base because the majority of the population is under the age of 15. |
| Dependancy Ratio | says that those ages 0-14 and over 65 depend on the workforce for support |
| Demographic Momentum | is a continued population increase as a result of a large segment of the population being young |
| Demographic Momentum | countries in stage two have it |
| Negative Growth | when the country begins to lose population (stage 4) |
| Population Pyramids | do not only have to be used on a national scale, but can be used to describe cities or even neighborhoods |
| Information Gathered | allows governments to develop policies and allocate resources to meet the current and future needs of the population |