20 Most Populated Countries in the World

Are you engaged in population study? Or perhaps you’d like to discover which are the Most Populated Countries in the world? 

One of the world’s most challenging concerns is population growth. With depleting resources and overcrowding, population management is a major concern to many countries. 

The population and demographics keep changing over time. It is an obvious fact. However, if you like being updated to the current state of the world, you have found the right place.

Read on to find out the demographics of the most populated countries in the world.

Quick Overview

Country Population
1. China 1,446,705,919
2. India 1,387,912,478
3. United States 333,574,837
4. Indonesia 277,354,458
5. Pakistan 226,566,346
6. Brazil 214,561,469
7. Nigeria 212,893,081
8. Bangladesh 166,862,699
9. Russia 146,017,429
10. Mexico 130,726,937
11. Japan 125,962,969
12. Ethiopia 118,727,726
13. Philipines 111,512,15
14. Egypt 104,887,927
15. Vietnam 98,498,797
16. The Democratic Republic of the Congo 89,561,403
17. Turkey 85,493,959
18. Iran 85,360,646
19. Germany 84,125,187
20.  Thailand 70,023,091

Most Populated Countries 

The information used in the article is based on Worldometer elaboration of the latest United Nations data for October,2021.

20. Thailand

Thailand has a population of 70,023,091 as of October 2021. The country’s inhabitants have a life expectancy of around 77 years.

flag of Thailand
Flag of Thailand (source: Wikimedia)

According to the census, there are 19,444 migrants in the nation. The population is growing at an average rate of 0.25%. However, the death rate is at 8.021%. 

While the country’s population is relatively evenly distributed, Bangkok and the neighboring Bangkok Metropolitan Region house a sizable portion of the population.

Bangkok, which is located in central Thailand, is home to over 13 % of the country’s population.

19. Germany

Germany has a population of 84,125,187. Berlin is Germany’s most populous city, with 3,426,354 residents.

The average life expectancy in the country is 81 years. Despite its vast population, Germany has a small number of big cities, with just four exceeding one million people: Berlin, Hamburg, Munich, and Cologne.

Germany (source: Wikipedia)

Moreover, there are 543,822 migrants inside this country. The annual population growth rate is 0.48%, and the death rate is 11.3%.

18. Iran

With a population of 85,360,646, Iran is one of the world’s most populous countries. The population of the country consists of 1.08% of the global population.

Flag of Iran
Flag of Iran (Source: Wikipedia)

The number of migrants has been estimated to be around 55,000. Moreover, the citizens have an average life expectancy of 77 years.

17. Turkey

The total population of Turkey is estimated to be 85,493,959 as of October 11, 2021. It is equivalent to 1.08% of the global population. Among which the ratio of male to female is 0.99.

Furthermore, the annual population increase rate is 1.09 %.

Turkey (Source: Wikipedia)

The life expectancy of people is about 78 years. The most populous city in Turkey is Istanbul. 

16. The Democratic Republic of the Congo

The Democratic Republic of the Congo has a population of about 89,561,403.

Kinshasa is the biggest city in the country, with approximately 8.9 million people.

Democratic Republic of the Congo flag
The Democratic Republic of the Congo Flag (Source: Wikipedia)

Moreover, Kinshasa also serves as the capital of the Democratic Republic of Congo.

15. Vietnam

Vietnam has a population of 98,498,797 people, equivalent to 1.25 % of the total population of the world.

The country has a life expectancy of 75.77 years. There are four cities in Vietnam with populations of over one million people.

Ho Chi Minh City is the most populated city in the country, with a population of 3,467,331. Hai Phong, Da Nang, and Can Tho are the other three cities with significant populations.

Vietnam (Source: Wikipedia)

Furthermore, Vietnam has a population density of 314 people per square kilometer. Vietnam’s population is growing at a rate of roughly 1% annually, or about 1 million people annually.

Despite this, the yearly population growth rate is increasing, and the population will finally begin to decline after 2055.

14. Egypt

Egypt’s total population is approximately 104,887,927. The country’s population accounts for 1.31 % of the global population. Egypt is the most populous country on the African continent, behind Nigeria and Ethiopia.

Egypt has a population density of 103 people per square kilometer. Egypt’s life expectancy is 72.54 years.

Egypt (Source: Wikipedia)

With a population of roughly 7,734,614, Cairo is Egypt’s most populous city.

13. Philipines

The Philippines’ total population is estimated to be 111,512,15 people, equivalent to 1.41 % of the world’s total population.

It has a population density of 368 people per square kilometer. Furthermore, it has a life expectancy of 71.66-years.

Philippines (Source: Wikipedia)

With a population of 2,761,720, Quezon City is the most populous city in the country.

12. Ethiopia

Since 1960, the population of Ethiopia has been steadily increasing. As a result, Ethiopia has a population of 118,727,726 people.

Ethiopia’s population accounts for 1.47 % of the global total. The country has a population density of 115 people per square kilometer, with 21.3 % living in cities. Ethiopians have a life expectancy of 67.81 years.

Ethiopia (Source: Wikipedia)

Addis Ababa is the country’s most populous city, with a population of 2,757,729 people.

11. Japan

Japan has a population of 125,962,969. The country’s population accounts for 1.62 % of the worldwide population.

Japan was the seventh most populated country before 1990. However, the number declined enough to drop its position to the eighth-most populated country in 1990.

The decline was gradual as Japan’s position dropped to ninth, tenth, then finally eleventh in 1998, 2010, and 2020 respectively.

It has a population density of 347 people per square kilometer. Urbanization accounts for 91.8 % of the population.

For both sexes combined, Japan has a high life expectancy rate of 85.03 years. 

Japan (Source: Wikipedia)

Tokyo is the most populous city, with an estimated population of 8,336,599. However, Japan’s population has been decreasing ever since 2009.

10. Mexico 

Mexico’s total population is 130,726,937 . The population of Mexico accounts for 1.65% of the worldwide population.

Females make up 50.7%  of the population, while males make up 49.3 %.

Mexico has a population density of 66 people per square kilometer. 83.8 % of the population lives in cities. The life expectancy in the nation is 75.41 years. 

Mexico (Source: Wikipedia)

With a population of 12,294,193, Mexico City is the most populous city in the country. However, as we get farther into the twenty-first century, Mexico’s growth rate will likely decline dramatically. 

By 2040, the present annual growth rate of 1.24% is predicted to be half of it.

9. Russia

The Russian Federation has a population of 146,017,429 people. It has a population density of 9 people per square kilometer.

 73.7% of the population resides in urban areas. With a population of 10,381,222, Moscow is the most populous city.

Russia (Source: Wikipedia)

People have a life expectancy of 72.99 years. With 5.1 million residents, Saint Petersburg is the second biggest Russian city and the world’s 50th largest.

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8. Bangladesh

Bangladesh’s population is 166,862,699, equivalent to 2.11 % of the total population of the world. 

The average life expectancy in the country is 73.57 years. With a population of 10,356,500, Dhaka is the country’s most populous city.

Bangladesh (Source: Wikipedia)

As per current demographic projections, Bangladesh’s population will peak in 2053, with a population of 192.78 million people. Overall, the country is increasing at a pace of roughly 1% each year.

7. Nigeria

Nigeria has Africa’s highest population. According to the United Nations, the population is expected to reach 401.31 million people by the year 2050.

Nigeria (Source: Wikipedia)

Nigeria’s total population is 212,893,081. It has a population of 2.64% of the global total. 52.0% of the population lives in cities. The population’s average life expectancy is 55.75 years.

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6. Brazil

Brazil’s total population is 214,561,469 people. Brazil’s population accounts for 2.73 % of the global population.

The urban population is 87.6% of the total. The increasing number of Brazilian women entering the workforce and deciding to delay having children is hindering the country’s growth in numerous ways.

Since the 1970s, when women in Brazil had an average of over four children, the birth rate has declined dramatically.

The current birth rate is 1.77 births per woman, which is lower than the rate in the United States.

Most Populated Countries- Brazil
Brazil (Source: Wikipedia)

With a population of 10,021,295 people, Sao Paulo is Brazil’s most populous city.

5. Pakistan

Pakistan has a population of 226,566,346 people, equivalent to 2.83 % of the world’s total population, with a male-to-female ratio of 1.03.

The average life expectancy in the country is 67.79 years.

Most Populated Countries- Pakistan
Pakistan (Source: Wikipedia)

Pakistan has ten cities with populations above one million people; however, Karachi and Lahore are by far the two largest.

With a population of 11,624,219, Karachi is Pakistan’s most populous city. Faisalabad has the third biggest population in Pakistan.

Pakistan’s growth rate is close to 2%, although it is anticipated to drop to less than 1% by 2050.

4. Indonesia

Indonesia has a population of 277,354,458 people. Its population accounts for 3.51 % of the global total.

The urban population accounts for 56.4 % of the total population. The country’s average life expectancy is 72.32 years.

Most Populated Countries- Indonesia
Indonesia (Source: Wikipedia)

With a population of 8,540,121, Jakarta is the most populous city in all of Indonesia.

3. United States

The population of the United States is now 333,574,837. The country’s population accounts for 4.25 % of the global population.

Most Populated Countries- United States
United States (Source: World Atlas)

With a population of 8,175,133, New York City is the most populous city in the United States.

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2. India

India has a total population of approximately 1,387,912,478.

It is home to over 17.85% of the world’s population or one in every six humans on the earth. So even though China has held the title of the world’s most populated country for a long time, India is on track to overtake China by 2030.

Most Populated Countries- India
India (Source: Wikipedia)

Around 72.2 % of the population resides in 638,000 villages, while the remaining 27.8% lives in 5,480 cities and urban areas.

As a result, India adds more people per year than any other country globally, and the population of some of its states is equivalent to the total population of many countries.

1. China

China’s current population is 1,446,705,919. Its population is equal to 18.47% of the global total.

The country introduced a one-child policy in 1980 in response to the growing population, which lasted until 2015.

Most Populated Countries- China
China (Source: Wikipedia)

China’s government eased limits even further, allowing women to have up to three children on May 31, 2021.

With a population of 22,315,474, Shanghai is the most populous city in China.

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