World population hits 8 billion; UN report says

Less than one billion people lived on our world up until 1804. In 1927, more than a century later, we passed the two billion mark.

Since then, thanks to the advancements in modern medicine and public health, the world’s population has increased at an exponential rate.

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The most recent milestone was accomplished on Tuesday, just 11 years after it exceeded seven billion, when the UN announced that the world population had surpassed eight billion. The international group claimed that on Tuesday, despite the fact that there is no official count, its estimations went above the limit.

The worldwide growth rate, which is anticipated to diminish over the ensuing decades, has been unequal. Population-rich countries with slowing growth rates, like China and the United States, have raised concerns that their societies may collapse. Rising birthrates in less developed countries pose a hazard to already stressed systems.

Here are some of the difficulties we will face.

Much of the population growth comes from the poorest countries, especially in sub-Saharan Africa.

According to the United Nations, low- and lower-middle-income nations, the majority of which are in sub-Saharan Africa, accounted for around 70% of the increase from seven billion to eight billion people. In the years to come, the trend is anticipated to intensify.

These two groupings of nations “are predicted to account for more than 90% of global growth when the next billion is added between 2022 and 2037,” the organization stated.

Globally, the fertility rate has decreased, and high-income countries can anticipate a decline in the population under 65 in the upcoming years. But in poorer nations, where more women and girls lack access to sexual and reproductive health care, including contraception, the fertility rate has remained persistently high.

It will take “a large rise in public spending” to meet the requirements brought on by that growth, which include those for water and sanitation, employment, public health, and education.

The environmental impact: Our levels of production and consumption are unsustainable.

Population growth has fueled consumption at an unsustainable rate, according to experts. According to the United Nations, it has a part to play in environmental problems like climate change, deforestation, and the loss of biodiversity.

The organization stated that slower population increase over a long period of time “may help to prevent the further accumulation of environmental damage in the second half of the current century.”

The group stated that “a drop in the world’s population is not predicted for another 50 years, with the precise timing largely depending on the future pace of fertility decline in today’s high-fertility countries.”

As a result of China’s historically low birthrate and rising life expectancy, workforce shortages and slow economic growth may result. In the past ten years, the United States’ growth has dropped to its lowest level since the 1930s.

The United Nations predicted in July that India would overtake China as the world’s most populous country in 2023.


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