The Global Population Reached 8 Billion Today

-- How long did it take to go from 7 billion to 8 billion?

Eleven years. According to previous estimates by the United Nations Population Fund, the global population reached 7 billion on October 31, 2011. It took 11 years and a half for the world's population to grow from 7 billion to today's 8 billion.

-- What is the maximum number of people in the world?

About 10.4 billion. According to the latest United Nations projections, the global population will peak at about 10.4 billion by the 2080s and stay there until 2100.

However, different research institutions have given different figures. For example, a 2020 study by the Institute for Health Metrics and Evaluation at the University of Washington showed that the global population will peak in 2064, but will not reach 10 billion, and will decrease to 8.8 billion by 2100.

-- Where is the largest population in the world today?

Asia. In 2022, the two most populous regions are in Asia: East and Southeast Asia with 2.3 billion people (about 29% of the global population) and Central and South Asia with 2.1 billion people (about 26% of the global population).

-- Will India overtake China in population?

Soon. With more than 1.4 billion people each, China and India account for the majority of the population in each region. India is expected to become the most populous country as early as 2023 and reach an estimated 1.67 billion by 2050.

-- Where did the new population increase more?

The United Nations projects that by 2050, more than half of the world's population growth will be concentrated in just eight countries: Congo, Egypt, Ethiopia, India, Nigeria, Pakistan, the Philippines and Tanzania.

-- Will the population continue to grow?

Yes, but it is slowing. The world's population grew at a rate of 2.1 per cent a year between 1962 and 1965, and has since slowed sharply to less than 1 per cent in 2020. By 2050, global population growth is likely to fall to about 0.5% a year.

In addition, in 2021, the global average fertility rate was 2.3, or 2.3 children per woman in her lifetime. In 1950, the fertility rate was 5, and it is expected to fall to 2.1 by 2050.

-- How long do people live?

Average life expectancy continues to rise around the world. In 2019, the global average life expectancy was 72.8 years, an increase of nine years since 1990; By 2050, the average life expectancy is expected to reach 77.2 years.

However, rising life expectancy combined with falling fertility rates will exacerbate the ageing of the population, with the proportion of people over 65 rising from 10 per cent in 2022 to 16 per cent by 2050.

-- What does the U.N. say?

In his book 8 Billion People, One Humanity, UN Secretary-General Antonio Guterres said that while the human family is growing stronger, it is also facing increasing inequality. If these problems are not addressed, the world will be filled with tension and mistrust, crises and conflicts.

He also quoted Mahatma Gandhi, who said, "There is enough in the world to satisfy everyone's needs -- but not everyone's greed."

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