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world population

Not such a small world after all with population to reach 9.6 billion by 2050

Growth will be mainly in developing countries, with more than half in Africa.

THE WORLD POPULATION is expected to increase by one billion over the next 12 years to reach 9.6 billion by 2050.

According to a United Nations report, growth will be mainly in developing countries, with more than half in Africa.

“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,” said the under-secretary-general for economic and social affairs, Wu Hongbo.

The report, World Population Prospects: the 2012 Revision, 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.

Fertility

Even as the population is rising, the UN report said fertility is expected to fall globally, with a major drop projected for least developed countries — from 4.53 to 2.87 children per woman in 2045-2050 and to 2.11 in 2095-2100.

The rest of the developing world is expected to see a dip to 2.09 from 2.40 in 2045-2050, and 1.93 in 2095-2100.

India to outgrow China

India is expected to become the world’s largest country, passing China in around 2028, when both countries will have populations of 1.45 billion. After that, India’s population will continue to grow and China’s is expected to start decreasing.

Meanwhile, Nigeria’s population is expected to surpass that of the United States before 2050.

Europe’s population is projected to decline by 14 per cent, the report states, and Mr. Wilmoth warned that the continent is already facing challenges in providing care and support for a rapidly aging population.

Live longer

Life expectancy is set to increase. At the global level, it is projected to reach 76 years in the period 2045-2050 and 82 years in 2095-2100. By the end of the century, people in developed countries could live on average around 89 years, compared to about 81 years in developing regions.

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