Key Highlights from the Sample Registration System 2021 Report
- National Crude Birth Rate (CBR) Trends: The Crude Birth Rate is the number of live births occurring during a year per 1,000 people in the total population.
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- All-India CBR in 2021: 19.3 live births per 1,000 people.
- National average decline (2016–2021): 1.12% annually.
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- Fastest Declining States:
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- Tamil Nadu: -2.35% per year
- Delhi: -2.23%
- Kerala: -2.05%
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- States with the Slowest Decline or Increase:
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- Rajasthan: -0.48%
- Bihar: -0.86%
- Uttarakhand: the only state with rising CBR
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- Gross Reproduction Rate (GRR) – The Gross Reproduction Rate is the average number of daughters a woman is expected to have during her reproductive years, assuming no mortality and current age-specific fertility rates.
- India’s GRR: 1.0
- High GRR States:
- Bihar: 1.4
- UP: 1.3
- MP & Rajasthan: 1.2
- West Bengal: GRR of 0.7
- Â The SRS Statistical Report 2021, released by the Registrar General of India, shows that crude birth rates in Tamil Nadu, Delhi, and Kerala are declining twice as fast as the national average.

