Image Credit: Wikimedia/ Bangladesh

In celebration of World Population Day, we look at the 10 most populated countries in the world. The global human population grows by around 75 million every year. In the year 1800 the world population was 1 billion, this year, we are at to 7.5 billion people.

The population is expected to keep growing, and estimates to reach 8.4 billion by 2030, and 9.6 billion by 2050. 

Here is your list of the world's most populated countries. 

1. China

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Population: 1,379,302,771           

2. India    

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Population: 1,281,935,911           

3. United States

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Population: 326,625,791                

4. Indonesia

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Population: 260,580,739                

5. Brazil    

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Population: 207,353,391              

6. Pakistan

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Population: 204,924,861 

7. Nigeria

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Population: 190,632,261

8. Bangladesh

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Population: 157,826,578

9. Russia

Population: 142,257,519

10. Japan

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Population: 126,451,398

Source: Census.gov