United Nations: India may surpass China to become world's most populous nation by 2028, with its population crossing the 1.45 billion mark, according to latest report by the United Nations.

India's population will continue to grow and that of China is expected to start decreasing. "Although population growth has slowed for the world as a whole, this report reminds us that some developing countries, especially in Africa, are still growing rapidly," Wu Hongbo, the Under-Secretary-General for Economic and Social Affairs, said on Thursday.

World population may touch 9.6 bn by 2050

The report 'World Population Prospects' says the current world population of 7.2 billion is projected to increase by one million over the next 12 years and reach 9.6 billion by 2050. The report also pointed out that the growth will be mainly in developing countries.

The report, notes that the population of developed regions will remain largely unchanged at around 1.3 billion from now until 2050. In contrast, the 49 least developed countries are projected to double in size from around 900 million people in 2013 to 1.8 billion in 2050.

Compared to previous assessments of world population trends, the new projected total population is higher, mainly due to new information obtained on fertility levels of certain countries. For example, in 15 high-fertility countries of sub-Saharan Africa, the estimated average number of children per woman has been adjusted upwards by more than 5 percent.

Overall, life expectancy is projected to increase in developed and developing countries in future years.

The report's figures are based on a comprehensive review of available demographic data from 233 countries and areas around the world, including the 2010 round of population censuses.


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