Page 51 - Nien giam 2019
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Under  five  mortality  rate  is  the  measure  of  mortality  level  of
                        children in the first five years of life. This rate is defined as the number
                        of deaths of children under age 5 per 1,000 live births in the reference
                        period on average.


                                                  U 5 MR   5 D 0   1000
                                                             B

                             Where:

                             U5MR: Under five mortality rate;
                              D : Number of deaths under age 5 in the reference period;
                             5  0
                             B: Total of live births in the reference period.

                             Natural  growth  rate  of  population  is  the  difference  between
                        number  of  live  births  and  number  of  deaths  compared  to  the  average
                        population  during  the  reference  period,  or  the  difference  between  the
                        crude birth rate and the crude death rate of population in the reference
                        period.

                                                   B D
                                            NIR          1000   CBR  CDR
                                                     P

                             Where:

                             NIR: Natural growth rate of population;

                             B: Number of live births in the reference period;
                             D: Number of deaths in the reference period;

                             P: Population up to the reference time-point;
                             CBR: Crude birth rate;

                             CDR: Crude death rate.
                             Total  growth  rate  of  population  (or  "population  growth  rate")
                        reflects  the  increase  or  the  decrease  of  the  population  in  one  period

                        expressed as a percentage.

                             In-migration  rate  reflects  the  number  of  people  from  different
                        territorial  units (out-migration  place)  in-migrates  to  a  territorial  unit  in


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