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The global population is projected to increase by another 2 billion people by 2050, from 7.7 billion in 2019 to 9.7 billion thirty years down the line, according to ‘The World Population Prospects 2019’ published by the Population Division of the UN Department of Economic and Social Affairs.

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  • According to estimates in a new United Nations report released Monday, India is also expected to add 273 million people by 2050 and will remain the most populated until the end of the century.
    • Following the India-China re-ordering in 2027, the ranking of the five largest countries is projected to remain the same until the end of the century.
    • India is expected to remain the world’s most populous country with nearly 1.5 billion inhabitants, followed by China at 1.1 billion, Nigeria with 733 million, the United States with 434 million, and Pakistan with an estimated population of 403 million.
  • The report stated that in 2019, India has an estimated population of 1.37 billion and China 1.43 billion and by 2027, India’s population is projected to surpass China’s.

Key Trends

  • Between now and 2050, 55 countries are estimated to see their populations shrink by at least one percent.
    • In China, the largest of these 55 countries, the population is projected to shrink by as much as 2.2 percent or 31.4 million by 2050. In the same period, India is expected to add 273 million people more to its headcount.
  • Since 2010, 27 countries have recorded a minimum one percent reduction in population.
  • India leads the set of nine countries that will make up for more than half the projected growth of the global population by 2050.
  • The world’s population is aging. By 2050, one in six people in the world will be in the age group of 65 and above as compared to one in 11 in 2019.
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