Day of Eight Billion

The United Nations designated 15th November 2022 as the Day of Eight Billion.

What is the Day of Eight Billion?

  • According to the World Population Prospects Report, 2022, the global population is projected to reach 8 billion on November 15, 2022.
  • This population milestone was reached in only 11 years after passing the 7 billion milestone.
  • This unprecedented surge in the global population is mainly due to the gradual increase in the human lifespan, which is attributed to improved public health, nutrition, personal hygiene, and medicine. It is also because of the high levels of fertilities in certain countries.
  • While it took the global population 11 years to reach from 7 to 8 billion, it is expected to take around 15 years (until 2037) to reach the 9-billion-milestone. This reveals a decline in the global population growth.
  • The global population is expected to reach 9.7 billion in 2050.
  • From 2022 to 2050, more than 50 per cent of the projected increase in the global population will be concentrated in 8 countries. These are India, Pakistan, the Philippines, Egypt, Congo, Ethiopia, Nigeria, and Tanzania.
  • Sub-Saharan Africa is expected to contribute to more than 50 per cent of the population growth.

How is India placed in the population projection?

India’s population is expected to surpass China and become the world’s most populous country by 2023. In 2022, India’s population is 1.412 billion and in China, it is 1.426 billion. India is expected to have 1.668 billion people in 2050 – significantly higher than China’s projection of 1.317 billion people during the same period. In 2022, 68 per cent of India’s population is between 15 to 64 years old. 7 per cent of the population is aged 65 and above. The country is currently home to the largest adolescent population (10 to 19 years of age). It is expected to have one of the youngest populations in the world until the end of the present decade.

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