Fertility related statistics

1. Crude birth rate (CBR) - Simplest indicator of fertility 

2. General fertility rate (GFR)

3. General marital fertility rate (GMFR)

4. Total fertility rate (TFR)

5. Gross reproductive rate (GRR)

6. Net reproductive rate (NRR) - Best indicator of fertility 
 

Fertility related

statistics

Definition

Crude Birth Rate

(CBR)

The number of live births per 1,000

people in a given year.

General Fertility

Rate (GFR)

The number of live births per 1,000

women of childbearing age
(typically ages 15-49) in a given year.

General Marital

Fertility Rate

(GMFR)

The number of live births per 1,000

married women of childbearing age
(typically ages 15-49) in a given year.

 

 

 

 

Fertility related

statistics

Definition 

Total fertility rate

(TFR)

Measures the overall fertility rate without

differentiating between genders.

Gross reproductive rate

(GRR)

Measures the rate of producing female offspring

without accounting for mortality.

Net reproductive rate

(NRR)

Measures the rate of producing female offspring

while accounting for mortality, indicating
whether a population is growing, shrinking,
or remaining stable.

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