The United Nations reported that by 2022,
India is expected to surpass China to become the world's most populous nation. China
and India remain the two largest countries in the world, each with more than 1
billion people, representing 19% and 18% of the world's population,
"But by 2022, the population of India is expected to surpass that of
China," said the report 'World Population Prospects: The 2015 Revision',
released by the UN. Currently, among the 10 largest countries in the world, one
is in Africa (Nigeria), five are in Asia (Bangladesh, China, India, Indonesia,
and Pakistan), two are in Latin America (Brazil and Mexico), one is in Northern
America (USA), and one is in Europe (Russian Federation). Of these, Nigeria's
population is growing the most rapidly.
The population of Nigeria is projected to
surpass that of the US by about 2050 and six countries are expected to exceed
300 million: China, India, Indonesia, Nigeria, Pakistan, and the USA.
In Europe, 34% of the population is
projected to be over 60 years old, in Latin America and the Caribbean and in
Asia 25%, in Africa it may increase from 5 to 9% by 2050.
The current world population of 7.3 billion is expected to reach 8.5 billion by
2030, 9.7 billion in 2050 and 11.2 billion in 2100, the report said.