The Net Reproduction Rate (NRR) is the average number of daughters that would be born to a woman over her lifetime if she experienced current age-specific fertility and mortality rates. An NRR of 1.0 indicates:
- A Each generation exactly replaces itself — stable population (replacement level) ✓
- B The population is growing rapidly
- C The population is declining
- D The population will double in 35 years
Correct answer: A. Each generation exactly replaces itself — stable population (replacement level)
Explanation
NRR = 1.0 means each generation is exactly replacing itself with one daughter, resulting in a stable (stationary) population in the long term. NRR > 1 indicates a growing population; NRR < 1 indicates a declining population. The Total Fertility Rate (TFR) corresponding to replacement level fertility is approximately 2.1 in developed countries, but may be higher where child mortality is elevated.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
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