Top 10 Most Populous Countries In The World 2021

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largest country in the world by area USA

The world’s population is growing rapidly. The world’s population now exceeds 7.8 billion, and the population of the countries of the world is also increasing rapidly. This figure has not changed for the last several years. What is the highest population country? Want to know what is the most populated country in the world 2021? Here we have listed the 10 most populous countries in the world 2021.


10. Mexico – 130 million

mexico most populous countries in the world

With a population of approximately 130 million in 2021, Mexico ranks 10th among the most populous countries in the world. It is the most populous Spanish-speaking country and the third most populous country in the US after the United States and Brazil.

The most populous city in the country is the capital Mexico City, with a population of 8.9 million (2016), and its metropolitan area is also the most populous, with 20.1 million (2010). 

In addition, approximately 50% of the population lives in one of the 55 large metropolitan areas of the country. Overall, about 78.84% of the country’s population lives in urban areas, meaning that only 21.16% live in rural areas.

  • Population: 130.5 million in Sep 2021.


09. Russia – 146 million

Russia most populous countries in the world

Russia is the largest country in the world. According to the 2010 census, Russia had a population of 142.8 million, which increased to 146 million by 2021. Also, it is the most populous country in Europe, and the ninth most populous country in the world;  Per square kilometer (23 per square mile) with a population density of 9 inhabitants. The total life expectancy at birth in Russia is 72.4 years (66.9 years for men and 77.6 years for women). 

Since the 1990s, Russia’s death rate has exceeded its birth rate. In 2018, the overall fertility rate across Russia was estimated to be 1.6 children born per woman, which is lower than the replacement rate of 2.1, one of the lowest fertility rates in the world.

  • Population: 146 million in Sep 2021.

08. Bangladesh – 166 million

Bangladesh most populous countries in the world

Bangladesh ranks fourth among the most populous countries in the world, comprising about 2.2% of the world’s population. Also, the population estimate is from the 2019 revision of the World Population Prospects in 2019 which was 161,376,708 in 2018.

In addition, Bangladesh is largely ethnically homogeneous, and derives its name from the Bengali ethno-linguistic group, which comprises 98% of the population. The Chittagong Hill Tracts, Sylhet, Mymensingh, Barisal and North Bengal regions are home to diverse indigenous people. There are many dialects of Bengali dialect throughout the region. The dialect spoken by those in Chittagong and Sylhet is particularly distinctive.

  • Population: 166.6 million in Sep 2021.


07. Nigeria – 212 million

nigeria most populous countries in the world

Nigeria is one of the most densely populated countries in Africa, with approximately 200 million people in an area of ​​923,768 km2 (356,669 sq mi). Also, it is the country with the largest population in Africa and the seventh most populous country in the world.

In addition, approximately 50% of Nigerians are urban dwellers, with the rate of urbanization estimated at 4.3%. Nigeria is home to more than 250 ethnic groups, with more than 500 languages, and a wide variety of customs, and the traditions between them provide great cultural diversity to the country. The three largest ethnic groups Hausa are 27.4% of the population: Yoruba with 21% and Igbo with 18%. Efik, Ibibio, Annang, and Ijaw constitute other southeastern populations.

  • Population: 212.5 million in Sep 2021.

06. Brazil – 214 million

Brazil

Brazil’s population is very diverse, it includes many races and ethnic groups. In general, Brazilians trace their origins to three sources: Europeans, Amerindians and Africans. Historically, Brazil has experienced a large degree of ethnic and racial penetration, assimilating cultures and assimilationism.

Brazil has periodically conducted a population census, which began in 1872. From 1940 onwards, this census was carried out decisively. Scanned versions of each census form distributed in Brazil since 1960. Also, Brazil ranks sixth among the most populous countries in the world.

  • Population: 214.3 million in Sep 2021.

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05. Pakistan – 226 million

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According to the 2017 census of Pakistan, the estimated population of Pakistan in 2021 was 225,199,937. Pakistan is the fifth most populated country in the world. However, according to recent 2020 data, the current population of Pakistan is 222,903,998 with a growth rate of 2.0%.

In addition, during 1950–2012, the urban population of Pakistan exceeded seven times, while the total population increased by more than four times. In the past, the country had a relatively high growth rate in its population which has been replaced by the medium birth rate. Between 1998 and 2017, the average population growth rate was 2.40%.

  • Population: 226.2 million in Sep 2021.

04. Indonesia – 277 million

Indonesia

Indonesia’s population was 270.20 million according to the National Census of 2020, an increase from 237.64 million as of the last census in 2010. Fifty-six percent of the world’s most populous islands live on the island of Java.

Moreover, despite being a fairly effective family planning program since 1967, the average population growth per year in Indonesia was over 1.25% for the decade ending in 2020, about 13% of the population growth for that decade. At this rate, the population of Indonesia is estimated to surpass the population of the United States. Also, Indonesia ranks fourth among the most populous countries in the world 2021.

  • Population: 277 million in Sep 2021.


03. United States – 333 million

largest country in the world by area USA

The United States had an estimated population of 332,410,303 in 2021 according to United Nations data. According to the US Census Bureau, the United States had an estimated population of 328,239,523 in 2019. 

Also, the United States is the third most populated country in the world, and the current estimates from the informal American Population Watch have a total number of 333 million inhabitants. All these figures exclude the population of five self-governing American territories, as well as several smaller islands.

  • Population: 333.3 million in Sep 2021.

02. India – 1.39 billion

India most populated country in the world

India is the second most populated country in the world. It accounts for about one-fifth of the world’s population. According to the 2019 revision of the World Population Prospects, India had a population of 1,352,642,280.

Between 1975 and 2010, the population doubled to 1.2 billion, reaching the billion mark in 1998. Moreover, India is projected to surpass China to become the world’s most populous country by 2024.

  • Population: 1.396 billion in Sep 2021.


01. China – 1.44 billion

most populated country in the world china
Image Credit: Stasyan117/Wikimedia

China is the most populated country in the world. China’s demographics reflect a large population with a relatively small youth component, partly a result of China’s one-child policy. China’s population reached 1 billion in 1982.

As of November 2019, China had a population of 1.394 billion, the largest of any country in the world. According to the 2010 census, 91.51% of the population was Han Chinese, and 8.49% were minorities. China has a population growth rate of only 0.59%, ranking 159th in the world. On November 1, 2010, China conducted its sixth national population census.

  • Population: 1.446 billion in Sep 2021.

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