
Earth is a populous place (7.9 billion people as of mid-2021) and ever-growing. Even as some regions of the world grow slowly or are even shrinking (the more developed economies), other regions of the world are growing quickly (the least-developed nations). Add in the fact that people live longer due to improvements in medicine and infrastructure (such as sanitation and water treatment), our planet is expected to see an increase in population for decades to come.
The most populous area on Earth is Asia, as it is home to three of the top 4 and half of the top 10 most populated nations (placing Russia in Europe). Three in every 5 people of the world's population live in Asia, or about 4.5 billion.
In the last few decades, the world's population has gone from being mostly rural to mostly urban. The world's largest urban area, Tokyo (37.5 million), has almost the same population as the entire country of Canada (37.6 million)! Take this quiz to see if you know what some of the largest megacities in the world are.
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Get PremiumCan You Name 20 Most Populated Cities In World? Quiz Questions
This city hosted the 2021 Olympic Games.

Bangkok
Seoul
Osaka
Tokyo
This is where you will find the Forbidden City.

Dubai
Taipei
Hong Kong
Beijing
This city is "so good they named it twice".

New York
Chicago
London
Los Angeles
Nearby, Giza is the site of the iconic pyramids and Great Sphinx.

Cairo
Cape Town
Karachi
Lagos
The setting of "A Tale of Two Cities" and "101 Dalmatians".

Paris
Berlin
Moscow
London
The city formerly known as Saigon.

Kuala Lumpur
Vientiane
Ho Chi Minh City
Chiang Mai
Hollywood is here.

Los Angeles
Las Vegas
Sacramento
San Francisco
This city is home to the world's fourth largest number of billionaires.

Dubai
Moscow
San Francisco
Madrid
This city has spanned the divide between Europe and Asia for more than 2,000 years.

Kyiv
Istanbul
Moscow
London
This old city was founded in 1325 A.D. by the Aztecs.

Mexico City
Lima
Bogotá
São Paulo
This city is where you will find the Gangnam district and the Hyundai headquarters.

Shanghai
Nagoya
Singapore
Seoul
This city is considered the "rickshaw capital" of the world.

Kolkata
Jakarta
Dhaka
Manila
This city is home to the world's largest ethnic Japanese community outside Japan.

Seoul
Santiago
São Paulo
Los Angeles
This city is home to the Red Fort, known for its massive red sandstone walls.

Siem Reap
Delhi
Dhaka
Bangalore
This former British colony was returned to China in 1997.

Chongqing
Shenzhen
Guangzhou
Hong Kong
There are only three city-states in the world—Monaco, the Vatican City and this.

Macau
Dubai
Singapore
Hong Kong
Naomi, tennis player who won the 2021 Australian Open women's singles title.

Kyoto
Osaka
Pyongyang
Lagos
Ben Affleck's 2012 film Argo, which won Best Picture at the 85th Academy Awards, takes place in this city.

Tehran
Baghdad
Riyadh
Lahore
The city where Wat Arun (Temple of the Dawn) is found.

Phnom Penh
Bangkok
Hanoi
Nanjing
It has the world's longest metro system by route length.

Paris
Shanghai
Melbourne
Guangzhou
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