15. Population
Explanation:
First The current population of India is 1,369,178,904. India population is equivalent to 17.74% of the total world population. India ranks number 2 in the list of countries (and dependencies) by population. The population density in India is 460 per Km2 (1,192 people per mi\(^{\1}\)). The total land area is 2,973,190Km\(^{\1}\) (1,147,955 sq. miles) 33.6 % of the population is urban (460,249,853 people in 2019) The median age in India is 27.0 years.