[The world's population will exceed 8 billion in November this year, and India will surpass China next year to become the world's most populous country.] On July 12, according to agencies france-presse, Reuters and other foreign media quoting the United Nations on the 11th of this month in New York on the occasion of "World Population Day" and released a forecast that the world population will exceed 8 billion in mid-November this year, 8.5 billion in 2030, 9.7 billion in 2050, and 10.4 billion in 2100. Next year India's population will surpass China to become the world's most populous country. Affected by the global spread of COVID-19 infection, the average life expectancy in the world fell from 72.8 years in 2019 to 71.0 years last year. The report shows that the current world population is 7.942 billion. The rate of population growth is declining, with the global population growth rate falling below 1% in 2020 for the first time since 1950. There is also a folk analysis that by the end of this century, the population of East Asia will be halved, the population of Africa will be doubled, and India, Nigeria and China are the top three in the global population.
Looking at the population growth and decrease of China and India , India's population will be 1.412 billion in 2022, close to China's 1.426 million people. In the medium to long term, India's population will increase to 1.668 million in 2050, far exceeding the total population of China's 1.317 million people. The report predicts that China will experience a population decline as early as 2023. Geographically, Southeast Asia will have a population of up to 2.3 billion people by 2022. Sub-Saharan Africa is projected to account for more than half of the world's population growth by 2050. Conversely, the birth rate in countries such as Japan, Europe and the United States continues to decline. In terms of total female fertility rate – the global fertility rate equivalent to the number of children born in a lifetime is 2.3 in 2021 and is expected to fall to 2.1 by 2050. The report also states that by 2050, the population of 61 countries and territories will be reduced by more than 1%.
