New Delhi, July 11 India is projected to surpass China as the worlds most populous country in 2023, according to a UN report.
More than half of the projected increase in global population up to 2050 will be concentrated in just eight countries: Congo, Egypt, Ethiopia, India, Nigeria, Pakistan, the Philippines and Tanzania. Disparate growth rates among the world's largest countries will re-order their ranking by size.
In 2022, the two most populous regions are both in Asia: Eastern and South-Eastern Asia with 2.3 billion people (29 per cent of the global population), and Central and Southern Asia with 2.1 billion (26 per cent). China and India, with more than 1.4 billion each, accounted for most of the population in these two regions.
The world's population is projected to reach 8 billion on November 15, 2022.
The latest projections by the United Nations suggest that the global population could grow to around 8.5 billion in 2030, 9.7 billion in 2050 and 10.4 billion in 2100.
Population growth is caused in part by declining levels of mortality, as reflected in increased levels of life expectancy at birth. globally, life expectancy reached 72.8 years in 2019, an increase of almost 9 years since 1990. Further reductions in mortality are projected to result in an average longevity of around 77.2 years globally in 2050.
Life expectancy at birth for women exceeded that for men by 5.4 years globally, with female and male life expectancies standing at 73.8 and 68.4, respectively. A female survival advantage is observed in all regions and countries, ranging from 7 years in Latin America and the Caribbean to 2.9 years in Australia and New Zealand.
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