According to the report, titled “2010 Revision of World Population Prospects,” the figure of the expected increase in global population is projected to come from 58 “high-fertility countries” in Africa, Asia, Oceania, and Latin America.
The report was prepared by the UN Department of Economic and Social Affairs (DESA).
Fertility is the main driver of population rates in the world, “ Hania Zlotnik, director of the DESA's Population Division, told reporters here.
“The world hasn't collapsed by adding so many people, but what is important is that most of these people are being added in the poorest countries of the world,” said Zlotnik.
Based on the medium projection, the number of people in the world currently close to 7 billion should pass 8 billion in 2023, 9 billion by 2041 and then 10 billion at some point after 2081, the report said.
Between 2011 and 2100, the population of high-fertility countries is expected to more than triple in size, going from 1.2 billion to 4.2 billion, the report noted. During the same period, the report projected, the population of low-fertility countries will decline by around 20% from 2.9 billion to 2.4 billion.
At present, 42% of the world population live in low- fertility countries that include all countries in Europe except Iceland and Ireland, 19 countries in Asia including China, 14 in the Americas, two in Africa, and Australia. -- Bernama
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