India's current estimated population: 1.38 billion

China's current estimated population: 1.4 billion

Source: Government data

But India's population growth has actually been slowing down, United Nations says

In 1992-93, women had on average 3.4 children

Between 2019-2021, the average number fell to 2

27.3% of India's population is aged between 15 and 29 years

putting it among the youngest countries in the world

[Rinku Sengupta Dhar, Senior consultant, Rainbow Children's Hospital]

"We will have a young workforce and that is something which is very, very advantageous to us. But the downside is that you know, there is going to be, the high population puts a constraint on our food, on our health, on education.''