World’s most populated country 2024: India ranks number 1 in the list of the top 10 most populated countries in the world 2024. According to the latest UN World Population Prospects 2024 report, India’s population is estimated at 1,450.936 million. Ten years ago, India ranked at number 2 behind China, with a population of 1,312.277 million. India is the world’s fifth largest economy with a projected GDP of $3,937.011 billion in 2024, as per IMF estimates. (AI image)