# Birth rate and death rate. - Geography

Distinguish Between

Birth rate and death rate.

#### Solution

 Birth Rate Death Rate it is the number of live births per thousand of population during a year for a particular region. It is the number of deaths per thousand of population during a year for a particular region. It is calculated using the following formula:CBR = Bi/P x lOOOHere, CBR = crude birth rate,Bi = Number of live births in a year,P = the estimated midyear population of that year. It is calculated using the followingformula:CDR= D/P x lOOOHere, CDR = crude death rate,D = Number of deaths in a year,P = the estimated midyear population of that year. If birth rate is more than death rate, it results in positive growth of population. If death rate is more than birth rate it results in negative growth of population.
Concept: Population Growth
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#### APPEARS IN

NCERT Class 12 Geography - Fundamentals of Human Geography
Chapter 2 The World Population - Distribution, Density and Growth
Exercises | Q 3. (i) | Page 15
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