Read the following text carefully and answer the questions No. 1:

The current world population roughly calculated by the United Nations is 7-5 billion as of September, 2017. Six of the seven continents of the earth are permanently resided on a large scale, Asia is the most populous continent with its 4-54 billion inhabitants accounting for 60% of the world population. China and India are world's most populated countries. They together have about 37% of the world's population. Africa is the second most populated continent with around 1-28 billion people and it is 16% of the world's population. The population of Europe is 742 million which is 10% of the world's population as of 2018 while 651 million people live in Latin America and Caribbean regions and it is 9% of the world's population. Northern America primarily consisting of the United States and Canada has a population of around 363 million which is 5% and Oceania is the least populated region with about 41 million inhabitants which is 0-5% of the world's population although it is not permanently resided by any fixed population. Antarctica has also a small and varied international population based mainly in polar science station.