Population Pyramids

·         Population Pyramids: analyze growth (or decline), of fertility, morality, and migration in cities

      ·         Measured in 5 year increments

·         Bottom line: can be percentage of a number

-Shows percentage or number of a population

·         20-64 is the money making group. Above is the oldies and below is the kids

·         3 Basic Shapes

-          The Christmas tree

-          The Box

-          The Cup

·         The Christmas Tree:

-          Developing nation

-          Slow growth rate

-          High birth rate

-          Short life expectancy

-          Ex: Namibia/Bangladesh

·         The Box:

-          Developed nation

-          Slow growth

-          Low infant mortality

-          Slow population growth

-          Long life expectancy

-          Ex: Sweden and USA

·         The Cup: Developed nation

·         Negative growth

·         Low birth rate

·         Shrinking population

·         Long life expectancy

·         Ex: Italy and Japan