Yes, India's Fertility Rate Has Fallen Below Replacement Level — Here's What That Actually Means

India's total fertility rate (TFR) has officially fallen below replacement level. The most recent National Family Health Survey (NFHS-5, 2019-21) recorded a TFR of 2.0 children per woman, just under the 2.1 threshold needed to maintain a stable population over time. This is not a fringe estimate — it is confirmed by India's own Sample Registration System, the United Nations Population Division, and a 2024 global fertility study published in The Lancet.

The decline has been dramatic and consistent. In 1992-93, India's TFR stood at 3.4. It fell to 2.9 by the late 1990s, then 2.7 in 2005, and 2.2 by 2015-16. The latest figure of 2.0 represents a halving of the fertility rate in roughly 30 years, driven by rising education levels, urbanization, and greater access to family planning.

The picture is not uniform across the country. Southern and western states like Kerala and Tamil Nadu have TFRs as low as 1.5 to 1.7 — well below replacement. Meanwhile, states like Bihar and Uttar Pradesh remain above 2.1. So the national average masks a significant north-south divide, with wealthier, more urbanized states leading the decline.

Here is the part that trips people up: falling below replacement does not mean the population immediately starts shrinking. As Pew Research explains, India's population will keep growing until around mid-century due to demographic momentum — there are simply so many young people alive today who will have children, even if each family is smaller. India surpassed China as the world's most populous country in 2023 and will not peak for decades.

This story spreads partly because it genuinely is surprising. India has long been associated with rapid population growth, so the idea that its fertility rate has quietly crossed a major threshold feels counterintuitive. It also gets pulled into political debates about religious demographics and population policy, where the nuance — national average versus state-level variation, fertility rate versus actual population size — often gets lost.