Vital Statistics Definition & Formulas

Decadal Growth Rate	Percentage of Population increased per decade.    Difference between current and last census Population ----------------------------------------------------------X 100                         Last census Population
Literacy Rate Vital Statistics Definition & Formulas	Percentage of Literates above 6 Years of Population.                No. of Literates ( 7 yrs and above)                                    ------------------------------------------------  X 100              Total Population aged 7 yrs and above
Sex Ratio                       ( at Population)	No.of Females per 1000 Males                          Female Population             ------------------------- X 1000                          Male Population
Sex Ratio at Birth	No. of males per 100 females                          Female birth           ------------------- X 1000                          Male birth
Child Sex Ratio                    ( 0-6 Yrs)	No. of female children per 1000 male children             Female Children in the age group of 0-6 yrs   ------------------------------------------------------- X 1000             Male children in the age group of 0-6 yrs
Expectation of life at birth	Average no. of years a new born will alive.
Family Size	Average no. of members in the Family.               Total Population        -------------------------              Total No.of Families
Eligible Couple Rate	No. of Eligible Couples per 1000 Population.             No.of Eligible couples             -----------------------------  X 1000                Total Population
Contraceptive  Prevalence Rate	Percentage of Eligible couples adopting F.W methods. 100 % users ( Ster. & O.Pills) + 95% users of IUD +                                                          50% users of CC ------------------------------------------------------------ X 100                               Total Eligible Couples
Birth Rate	No.of live Births per 1000 Mid year population in a calendar year.             No.of live Births in a calendar Year             ----------------------------------------------- X 1000             Mid year Population of the same year
Age specific fertility rate	No. of live births per 1000 woman in the specified age groups in a calendar year.  No. of live births in the specified age groups in a calendar year ---------------------------------------------------------------X1000              Total population in the specified age groups
Death Rate	No. of deaths per 1000 Mid year population in a calendar year.             No.of deaths in a calendar year             --------------------------------------------- X 1000             Mid year population of the same year
Age Specific Death Rate	No. of deaths in a specified age groups in a calendar year. No. of deaths in a specified age groups in a calendar year   --------------------------------------------------------------X1000         Total populations in the specified age groups
Infant Mortality Rate	No. of infant deaths (under 1 year) per 1000 live births in a Calendar year.  No. of under 1 year deaths in a calendar year  -------------------------------------------------------- X 1000             Total Live Births
Neo-natal Mortality	No. of under 28 days death per 1000 live births in a calendar year. No. of under 28 days deaths ------------------------------------ X 1000 Total Live Births
Under 5 Mortality Rate	No. of under 5 year deaths per 1000 live births in a calendar year.                                          No. of under 5 years death in a year  --------------------------------------------- X 1000                                 Total Live Births
Maternal Mortality Ratio	No. of Maternal deaths per 1,00,000 live births in year.   No.of Maternal deaths due to maternal cause in a year         -------------------------------------------------------- X 1,00,000                              Total Live Births
Still Birth Rate	No. of Still Births per 1000 delivery in a year.               No. of Still Births ----------------------  X 1000             Total Deliveries
Peri-natal Mortality Rate	No. of Peri-natal deaths per 1000 deliveries in a calendar year.    No. of Peri-natal deaths(0-7 days death + SB) in a year                                                                          --------------------------------------------------------   X 1000                Total Deliveries(LB+SB)
General Fertility Rate(GFR)	No.of live births per 1000 women population in the   Reproductive age groups.    No.of Live Births in a calendar year            -------------------------------------------------------- X 1000    No.of women in the reproductive age groups(15-49)
Total Fertility Rate	Average no.of children will be born to a woman during her  Reproductive age groups under the prevailing fertility rate.                   Sum of ASFR x 5                 -----------------------                         1000
Gross Reproduction Rate	Average no.of female children will be born to a woman during      her reproductive age groups under the prevailing fertility rate.                Total female birth             ---------------------- x TFR                Total male birth
Net Reproduction rate:	Average no.of female children will be born to a woman during   her reproductive age groups under the prevailing fertility  and    Mortality rate.
Incidence Rate	No. of new cases in a specified disease in a calendar year.     No. of new cases in a specified disease ---------------------------------------------------x1000            Total population
Prevalence Rate	No. of cases in a specified diseases.      No. of cases in a specified diseases ----------------------------------------------x 1000          Total population
Case Fatality Rate	No. of deaths due to specified diseases. No. of deaths due to specified diseases X100       Total diseased persons of the same disease