Money Sharma | AFP | Getty Images The world’s population reached 8 billion people on Tuesday and India is expected to overtake China as the most populous country next year, according to United Nations forecasts. The world’s population has more than tripled since 1950 as mortality has fallen and life expectancy has increased, largely due to better sanitation, access to clean drinking water, and the development of vaccines and antibiotics, along with improved nutrition. Between 1990 and 2019, human life expectancy at birth increased by nearly nine years to age 72, according to the UN. war and the HIV epidemic. Life expectancy fell by a year to 71 in 2021, due in large part to the impact of the Covid-19 pandemic. However, those born in 2050 are expected to live to the age of 77 on average.
CNBC Health & Science
Read CNBC’s latest global health coverage: Although humanity is larger than ever, the world’s population is now growing at the slowest rate since 1950 as families have fewer children. The population is expected to peak at 10.4 billion in the 2080s and remain at that level until 2100, according to UN projections. Two-thirds of people now live in countries where women have an average of about two children, up from an average of five in 1950. The population of people aged 65 and over is expected to grow by 6% globally by 2050, according to with the UN Just eight countries will account for half of global population growth by 2050, and they are concentrated mainly in Africa and South Asia: the Democratic Republic of the Congo, Egypt, Ethiopia, India, Nigeria, Pakistan, the Philippines and Tanzania. The two most populous regions of the world in 2022 were South and East Asia, and China and India accounted for the majority of people in these regions with 1.4 billion each. Although China has more people than any country in the world, its population will begin to decline as early as 2023 and India will overtake it.
