
The Sample Registration System (SRS) Report 2021, released by the Registrar General of India (RGI), shows that India’s Total Fertility Rate (TFR) has remained constant at 2.0 — below the replacement level fertility (2.1) — indicating India has effectively achieved population stabilization.
| Indicator | Findings (SRS 2021) |
|---|---|
| Total Fertility Rate (TFR) | 2.0 (same as 2020) |
| Replacement Level | 2.1 |
| Highest TFR | Bihar – 3.0 |
| Lowest TFR | Delhi & West Bengal – 1.4 |
| Mean age at marriage (females) | 22.5 years (up from 19.3 years in 1990) |
| 0–14 years age group | Declined from 41.2% (1971) → 24.8% (2021) |
| Economically active population (15–59 yrs) | Increased from 53.4% → 66.2% |
| Elderly (60+) | Increased from 6% → 9% |
| States with highest elderly % | Kerala (14.4%), Tamil Nadu (12.9%), Himachal Pradesh (12.3%) |
| States with lowest elderly % | Bihar (6.9%), Assam (7.0%), Delhi (7.1%) |
| Survey Coverage | 8,842 sample units, ~84 lakh population |