The world’s population is estimated to be over 8 billion as of January 2024. Over the years, some countries have seen their population reduce or slightly increase, while others, like Nigeria, skyrocketed.

Meanwhile, the world population was estimated to have grown by 75 million people in 2023.

Below are the most populous countries in the world and their GDP;

1. India – 1.435 billion

The Republic of India is a fascinating country with a rich history, diverse culture, and vibrant society.

It is the seventh-largest country by area and shares land borders with Pakistan, China, Nepal, Bhutan, Bangladesh, and Myanmar.

The country’s population is estimated to be about 1.435 billion, with a GDP of 3.42 trillion.

2. China – 1.425 billion

The People’s Republic of China (PRC) is a fascinating country with a rich history and diverse landscape.

It is the third-largest country by land area, bordering 14 countries and stretching across five time zones.

The country’s population is estimated to be about 1.425 billion, with a GDP of 17.96 trillion.

3. USA – 340 million

4. Indonesia – 278 million

5. Pakistan – 242 million

6. Nigeria – 226 million

7. Brazil – 217 million

8. Bangladesh – 173 million

9. Russia – 144 million

10. Mexico – 128 million

11. Ethiopia – 126 million

12. Japan – 123 million

13. Philippines – 117 million

14. Egypt – 113 million

15. DR Congo – 102 million

16. Vietnam – 98 million

17. Iran – 89 million

18. Turkey – 86 million

19. Germany – 83 million

20. Thailand – 71 million

Summary of the World’s Most Populous Countries and their GDP