Question

what are the major factors responsible for population explosion

Answer 1

decrease in death rate
npp 2000

Answer 2

There are three main factors for population explosion. Listed below are the three factors:

1. Births,                                                                                                        

2. Deaths and                                                                                              

3. Migrations.                                                                                            

Through cencus the past and present population record of the city can be obtained. This can be used to predict the population of the city over a period of time or usually at the end of the required year. The growth pattern of the city can also be predicted from the previous records obtained through census.