Demographic cycle is the process of population transformation from the countries of high birth rate and high death rates to low birth rate & low death rate countries. 

Stages of Demographic cycle:

• First stage: High birth rate and high death is found when the country is economically most backward, so the population remains stationary. india was in the stage till 1920. 
• Second stage (Early expanding): It begins with the declining of death rate while the birth rate ramins unchanged. These changes due to the advancement of science & technology, basic healthcare and education etc. At present many developing countries of Asia & Africa are in this stage. 
• Third stage (Late expanding): Death rate declines and birth rate begins to fall due to access of contraceptives, urbanization, an ilicreasc E in the status and women education etc India appears to be this stage. 
• Fourth stage (Low stationary): It is characterized with low birth rate and low death rate. Growth is stationary due to changing life style, high obesity and many diseases are caused in this stagé. Japan, Sweden, Belgium Denmark & Switzerland are in this stage. 
• Fifth stage(Declining): Population begins to decline or birth rate is lower than deathrate. East European countries like Germany and Hungary and North European countries like Sweden, Norway are now in this stage.