Question:

For the net reproduction rate (NRR) to be 1, the couple protection rate should be:

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NRR = 1 needs couple protection rate above 60%.
Updated On: Jun 24, 2026
  • 50%
  • 60%
  • 55%
  • 75%
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The Correct Option is B

Solution and Explanation

Step 1: Couple protection rate (CPR) is an indicator of the prevalence of contraceptive practice in a community. It is the percentage of eligible couples effectively protected against childbirth by an approved family planning method such as sterilisation, IUD, condom or oral contraceptive pills.

Step 2: The net reproduction rate (NRR) of 1 means each woman is, on average, replaced by exactly one daughter who survives to reproductive age - this represents the goal of achieving a stable, non-growing population.

Step 3: To reach NRR equal to 1, the couple protection rate must exceed 60 percent in the community.

Step 4: Therefore the required CPR is 60 percent, which is option B.
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