quiz review

Today in class we review for the quiz that will be on the demographic transition. There is five stage of the demographic transition. the stage 1 happen when the birth rate is high and the death rate is high also then natural increase is stable or slow increase. the stage 2 is when the birth rite is high and the death rate falls rapidly, the natural increase is very rapid increase. the stage 3 is when birth rate is falling and the death rate is falls more slowly, the natural increase slows down. the stage 4 is when the birth rate is low and the death rate is low. the stage 5 is when the birth rate is very low and the death rate is low. Japan, Italy, Portugal, Greece, this countries are already in stage 5.