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). The total land area is 2,973,190Km (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.