Step 1 : Introduction to the question "Which of the following has the largest population?"
In demographics, the world population is the total number of humans currently living. The world population was estimated to have reached 7.6 billionas of December 2017. The United Nations estimates it will further increase to 11.8 billion by the year 2100.
In biology, a population is all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.
Step 2 : Answer to the question "Which of the following has the largest population?"
The island of Madagascar:
Madagascar is an island located in the Indian Ocean off the eastern coast of Africa. Madagascar has a population of more than 25 million inhabitants. With a total area of 587,713 square kilometers, it is the fourth largest Island in the world and almost twice the size of the U.S. state of Arizona (population of 7,016,270). In comparison, Chicago is the third most populous city in the United States, with over 2.7 million residents. The current population of Sweden is 9,962,203 based on the latest United Nations estimates.