With world's population at 8 billion, what countries are expected to see the most growth?

CBS News

16 Nov 202203:05

Summary

TLDRThe United Nations reports that Earth's population has reached 8 billion, with India set to overtake China as the most populous nation by next year. By 2050, India will have 300 million more people than China. Eight countries, including India, Pakistan, the Philippines, Tanzania, Egypt, Nigeria, Ethiopia, and the Democratic Republic of the Congo, are expected to account for more than half of the global population increase. Sub-Saharan Africa's population is projected to double to 2 billion within 30 years. Meanwhile, Europe and North America will see population declines post-2030s due to aging populations, increasing healthcare pressures and economic contributions concerns.

Takeaways

🌐 The global population has reached 8 billion according to the United Nations.
🕰️ It took 125 years to reach 2 billion people, and the addition of the next billion happened much faster.
🇮🇳 India is projected to become the most populous nation in the world, surpassing China next year.
📈 By 2050, India is expected to have 300 million more people than China, posing challenges due to resource scarcity.
🌱 India currently houses over a quarter of the world's undernourished population.
🌍 Eight countries, including India, Pakistan, the Philippines, Tanzania, Egypt, Nigeria, Ethiopia, and the Democratic Republic of the Congo, will account for more than half of the global population increase in the next 30 years.
🌿 Sub-Saharan Africa is expected to see its population double to 2 billion people in the next 30 years, with family sizes averaging 4.6 births, twice the global average.
💼 Africa is anticipated to enter a period of demographic dividend with a large working-age population, which is crucial considering the region's frequent droughts and food insecurity.
📉 Europe and North America will reach peak population growth by the late 2030s and then begin to decline due to aging populations.
👶 By 2050, in Europe and North America, one in four people will be over the age of 65, increasing pressure on healthcare systems and reducing economic contributions.
🌍 Migration will be the primary driver of population growth in high-income countries, influenced by climate change and other factors.

Q & A

How long did it take for the global population to reach 8 billion according to the United Nations?
-It took 125 years to reach 2 billion people, and then only until now to add another 6 billion.
Which country is expected to become the most populous in the world by next year?
-India is expected to surpass China and become the most populous nation in the world by next year.
By 2050, how much larger is India's population expected to be compared to China's?
-By 2050, India is expected to have 300 million more people than China.
What is the current status of undernourishment in India?
-India is home to more than a quarter of all the undernourished people worldwide.
Which eight countries are expected to contribute the most to the global population increase over the next 30 years?
-The eight countries are India, Pakistan, the Philippines, Tanzania, Egypt, Nigeria, Ethiopia, and the Democratic Republic of the Congo.
What is the expected population growth in sub-Saharan Africa over the next 30 years?
-The population in sub-Saharan Africa is expected to double over the next 30 years, reaching 2 billion people.
What is the current average family size in sub-Saharan Africa?
-The average family size in sub-Saharan Africa is 4.6 births, which is twice the current global average.
What demographic trend is sub-Saharan Africa expected to experience?
-Sub-Saharan Africa is about to enter a period of demographic dividend, which means a large working-age population.
Which regions are expected to see a decline in population growth by the late 2030s?
-Europe and North America are expected to reach peak population growth by the late 2030s and then start to decline.
By 2050, what percentage of the population in Europe and North America is expected to be over the age of 65?
-By 2050, one of every four people in Europe and North America will be over the age of 65.
What is the sole driver of population growth in high-income countries according to the United Nations?
-The sole driver of population growth in high-income countries over the next several decades will be migration.
How is climate change expected to impact migration?
-Climate change will impact migration, as exemplified by the Philippines, where the population is growing rapidly, but sea levels are also rising.

Outlines

00:00

🌍 Global Population Reaches 8 Billion

The United Nations reports that the global population has reached 8 billion. It took 125 years to reach 2 billion, highlighting the rapid growth. India is expected to become the most populous nation, surpassing China by next year. By 2050, India will have 300 million more people than China. However, India also has over a quarter of the world's undernourished people, indicating resource challenges. Eight countries, including India, Pakistan, the Philippines, Tanzania, Egypt, Nigeria, Ethiopia, and the Democratic Republic of the Congo, will account for more than half of the projected population increase over the next 30 years. Sub-Saharan Africa is expected to double its population to 2 billion within the same period, with implications for family sizes and potential demographic dividends.

Mindmap

Keywords

💡Population Growth

Population growth refers to the increase in the number of individuals in a population over a certain period. In the context of the video, it is a central theme as it discusses the milestone of reaching 8 billion people on Earth. The script highlights how the global population has grown rapidly, with India set to become the most populous nation, surpassing China.

💡India

India is mentioned as it is poised to become the most populous country in the world, surpassing China. The video discusses India's population growth and its implications, such as the strain on resources and the fact that it is home to over a quarter of the world's undernourished people.

💡Undernourished

Undernourished refers to a state where an individual or a population does not consume enough food to meet their dietary energy requirements. The script uses this term to highlight a significant issue in India, where a large portion of the population struggles with hunger and malnutrition.

💡Sub-Saharan Africa

Sub-Saharan Africa is a region that the video identifies as having one of the most rapid growth rates in population. It is expected to double its population over the next 30 years. The term is used to discuss the demographic changes and the potential for a demographic dividend, which could benefit the region if managed properly.

💡Demographic Dividend

A demographic dividend refers to an economic growth potential that occurs when there is a large, working-age population and a relatively small dependent youth and elderly population. The video mentions that Sub-Saharan Africa is about to enter such a period, which could lead to economic growth if the working-age population is gainfully employed.

💡Population Decline

Population decline is the opposite of population growth, where the number of individuals in a population decreases over time. The video discusses how Europe and North America will reach peak population growth by the late 2030s and then start to decline, which is a significant concern for these regions.

💡Healthcare Systems

Healthcare systems are the organizations through which healthcare services are provided. The video mentions that an aging population in Europe and North America will put more pressure on existing healthcare systems, as there will be fewer individuals contributing to the economy to support these services.

💡Migration

Migration refers to the movement of people from one place to another, often in search of better opportunities or due to environmental factors. The video discusses how migration will be a sole driver of population growth in high-income countries in the coming decades, influenced by climate change and other factors.

💡Climate Change

Climate change refers to long-term shifts in temperatures and weather patterns. It is mentioned in the context of its impact on population growth and migration. The video gives the example of the Philippines, where rising sea levels due to climate change could lead to increased migration.

💡Food Insecurity

Food insecurity refers to the lack of consistent access to enough food for an active, healthy life. The video highlights that parts of the world, especially Sub-Saharan Africa, are affected by food insecurity due to strained resources and the impacts of climate change.

💡Global Average

The global average is a statistical measure that represents the central or average value of a dataset on a worldwide scale. The video uses the term in the context of family sizes, stating that Sub-Saharan Africa has a birth rate of 4.6, which is twice the current global average, indicating a significant population growth.

Highlights

The world's population has reached 8 billion according to the United Nations.

It took 125 years to reach 2 billion people, and only a short time after to add another billion.

India is expected to become the most populous nation in the world, surpassing China next year.

By 2050, India will have 300 million more people than China.

India currently struggles with resources and has over a quarter of the world's undernourished people.

More than half of the projected population increase over the next 30 years will come from just eight countries.

The eight countries contributing to the population increase include India, Pakistan, the Philippines, Tanzania, Egypt, Nigeria, Ethiopia, and the Democratic Republic of the Congo.

Sub-Saharan Africa is expected to have the most rapid growth, with its population expected to double over the next 30 years.

Family sizes in Africa are a significant factor, with 4.6 births per woman, twice the global average.

The UN sees Africa entering a period of demographic dividend due to a large working-age population.

One third of the world's droughts occur in Africa, and parts of the region are affected by food insecurity due to strained resources and climate change.

Europe and North America are expected to reach peak population growth by the late 2030s and then start to decline.

By 2050, one of every four people in Europe and North America will be over the age of 65.

An aging population will put more pressure on healthcare systems and reduce the number of individuals contributing to the economy.

The sole driver of population growth in high-income countries over the next several decades will be migration.

Climate change will also impact migration, as seen in the Philippines where sea levels are rising alongside population growth.