Karalynn Rossman

Karalynn Rossman

Published: 27 Aug 2023

Source: Cepr.org

Population is a fascinating subject that plays a crucial role in shaping the world we live in. It is not just about numbers and statistics, but also about the dynamics and complexities of human existence. From the impact of overpopulation to the challenges of underpopulation, understanding population trends is essential for policymakers, social scientists, and individuals alike.

In this article, we will explore nine astounding facts about population that will shed light on various aspects of this topic. From the incredible growth of the world’s population to the distribution of people across different regions, these facts will give you a deeper understanding of the global demographic landscape. So, buckle up and get ready to delve into the intriguing world of population!

Table of Contents

The World Population is Over 7.9 Billion

The global population has surpassed a staggering 7.9 billion people, according to the latest estimates. This continuous growth poses both opportunities and challenges for societies worldwide.

China and India Account for Over One-Third of the World’s Population

China and India, the two most populous countries in the world, together make up more than one-third of the global population. China’s population stands at approximately 1.44 billion, while India’s population exceeds 1.39 billion.

The Fastest Growing Country in Terms of Population is Nigeria

Nigeria, located in West Africa, holds the title for the world’s fastest-growing population. With an estimated population growth rate of 2.58%, the country is expected to surpass the United States and become the third most populous country by 2050.

Tokyo is the Most Populated City

When it comes to cities, Tokyo takes the lead as the most populated city in the world. With approximately 37 million residents, this bustling metropolis showcases the incredible density and diversity found in urban areas.

The World’s Population is Rapidly Aging

The global population is not only growing but also aging. Advancements in healthcare and increased life expectancy have contributed to this phenomenon. By 2050, it is projected that one in five people worldwide will be over the age of 60.

More Than Half of the World’s Population Lives in Urban Areas

The shift towards urbanization is evident as more than half of the world’s population now resides in urban areas. This trend poses challenges such as overpopulation, strain on infrastructure, and environmental concerns.

Africa Has the Highest Population Growth Rate

Africa boasts the highest population growth rate among all continents. With a current growth rate of 2.7%, the continent’s population is expected to double by This rapid growth brings both opportunities and challenges for sustainable development.

The Population of Japan is Declining

Contrary to the global trend, Japan is experiencing a decline in population. Factors such as a low birth rate, an aging population, and limited immigration contribute to this decline, posing economic and social challenges for the country.

The World’s Most Populous Country in 1900 was China

In the early 20th century, China held the title of the world’s most populous country with around 400 million people. The population landscape has since undergone significant shifts, leading to China’s current position as the world’s most populous country.

These 9 astounding facts about population highlight the ever-changing dynamics of our global society. From rapid growth in Africa to aging populations worldwide, understanding the complexities of population helps shed light on the challenges and opportunities that lie ahead. As the world continues to evolve, so too does our understanding of the impact of population on our planet.


In conclusion, population is a fascinating and ever-changing concept that affects every aspect of our lives. By understanding the astounding facts about population, we gain insights into the dynamics of our world and the challenges we face. From the exponential growth of human population to the distribution of global population across different regions, these facts reveal the complexities and intricacies of our planet’s inhabitants. Furthermore, the impacts of population growth on resources, the environment, and social structures demand our attention and proactive measures for sustainable development. It is crucial for us to continually monitor and analyze population trends to inform policies and make informed decisions that promote a balanced and harmonious world for future generations.


1. What is the current global population?

The current estimated global population is approximately 7.9 billion people.

2. Which country has the highest population?

As of now, China is the most populous country in the world with over 1.4 billion inhabitants.

3. What is the projected population growth rate?

The global population growth rate is currently estimated to be around 1.05% per year.

4. Are there any countries experiencing negative population growth?

Yes, several countries, including Japan and Germany, are currently experiencing negative population growth due to declining birth rates and aging populations.

5. How does population growth impact the environment?

Population growth places increasing pressure on natural resources, leads to habitat destruction, and contributes to pollution and greenhouse gas emissions.

6. How does population density affect living conditions?

High population density can lead to overcrowding, strain on infrastructure, and inadequate access to resources such as clean water and healthcare.

7. Can population growth be controlled?

Population growth can be influenced through measures such as family planning, education, and improved healthcare access, but it is a complex issue that requires multi-faceted strategies.

8. How does population affect economic development?

Population growth can serve as a catalyst for economic development if properly managed, as it can lead to a larger labor force and consumer base. However, unchecked growth can also strain resources and impede development.

9. What are the implications of an aging population?

An aging population brings challenges such as increased healthcare costs, labor force shortages, and changes in social dynamics.