Tech billionaire and SpaceX chief Elon Musk has weighed in on India’s changing demographics, saying.
The country’s birth rate has dropped below the replacement level needed to sustain population growth over the long term.
Reacting to fertility data shared on X, Musk noted that India’s fertility rate has fallen beneath the benchmark of 2.1 births per woman, which is generally considered the level required for a population to replace itself from one generation to the next. He also claimed that fertility rates among India’s more educated population groups had slipped below that threshold years ago.
The discussion follows growing attention on India’s demographic outlook after recent estimates placed the country’s Total Fertility Rate (TFR) at around 1.9. While India remains the world’s most populous nation with a population exceeding 1.46 billion, experts say falling fertility rates could significantly alter its age structure in the coming decades.
Demographers attribute the decline to several long-term social and economic changes, including improved access to education, greater workforce participation among women, urbanisation, delayed marriages, and rising costs associated with raising children. These trends have encouraged smaller family sizes across many parts of the country.
The decline has been particularly sharp in some urban centres. Data circulating online suggests that fertility levels in cities such as Delhi are substantially below the replacement rate, reflecting patterns already seen in several advanced economies.
Experts caution, however, that a fertility rate below replacement level does not immediately translate into population decline. India’s large and relatively young population means overall numbers are likely to continue growing for years due to demographic momentum. Over time, though, lower birth rates could lead to an ageing population, a shrinking workforce, and increased pressure on healthcare and social security systems.
At the same time, economists note that slower population growth can also bring opportunities, including greater investment per child, improved educational outcomes, and higher productivity, provided governments adapt policies to changing demographic realities.
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