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CEOWORLD magazine - Latest - Stats Gate - The World’s Largest Megacities By Population, 2020

Stats Gate

The World’s Largest Megacities By Population, 2020


Almost half the population on earth live in urban areas, in megacities with a large number of residents, a lot of cars and traffic. There are 34 cities that meet the definition of a megacity (an urban area must have a population of 10 million people) spread throughout the globe. This number is going to increase as time passes by.

The report finds that megacities create wealth, generate employment, and drive human progress. On the downside, big cities are also responsible for driving climate change, inequality, as well as the breakdown of traditional family structures. A countdown of the 34 largest urban areas on the planet.

So, which are the largest cities around the world in 2020?

Tokyo comes first in the rankings for 2020 with 37.5 million residents. But in the upcoming years, Tokyo might lose first place. Young residents are having fewer children, leading the population to a decline. It is estimated that the population will be reduced to 7.13 million by 2100. Nearly 4 million of the above will be over the age of 65.  Delhi comes second in the list that includes the megacities for 2020. Delhi’s population for 2020 is 28.5 million.

Shanghai comes third in the list that includes the megacities for 2020. The city has the largest population compared to the rest regions in China. Shanghai’s population for 2020 is 25.6 million. Specific constructions helped most residents to have access to water, electricity, and waste collection. But the population density is really high causing environmental problems such as a high level of air pollution.

At the 4th place of the list comes Sao Paolo in Brazil with 21.7 million population. A lot of residents have moved to the suburbs and commute to the city center for their work. So, the urban center has a high level of pollution and many other problems caused by overpopulation.

Mexico City is at number five of the list. The city’s population is 21.6 million. The number of residents reached a really high level between 1940 and 1995. This increase in population as a consequence of the growth of industries in the city center, which offered better access to electricity, water, and gas. Though the city has adequate water capacity, it lacks an efficient distribution system. As a result, those living in the suburbs are often forced to use untreated wastewater.

The next one on the list is Cairo. The city’s population for 2020 is 20.1 million. But most people in Cairo live in poverty. Almost 10 million people lived in Cairo’s slums in 2016. However, despite this fact, Cairo’s population continues to grow rapidly. Mumbai in India is at number 7 of the list. The city’s population is 20.0 million.

Beijing, China’s capital has a population growth rate of about 2% annually. Beijing’s population is 19.6 million. This number gives the city the 8th place on the list with the largest cities in the world for 2020. The next one on the list is Dhaka in Bangladesh. The city’s population for 2020 is 19.3 million.  Osaka in Japan is at number ten of the list. The city’s population is 21.6 million.

The World’s Largest Megacities By Population, 2020

RankMega CityCountryPopulation
1TokyoJapan37.5 million
2DelhiIndia28.5 million
3ShanghaiChina25.6 million
4Sao PaoloBrazil21.7 million
5Mexico CityMexico21.6 million
6CairoEgypt20.1 million
7MumbaiIndia20.0 million
8BeijingChina19.6 million
9DhakaBangladesh19.5 million
10OsakaJapan19.3 million
11New York-NewarkUnited States18.8 million
12KarachiPakistan15.4 million
13Buenos AiresArgentina15.0 million
14ChongqingChina14.8 million
15IstanbulTurkey14.7 million
16KolkataIndia14.6 million
17ManilaPhilippines13.5 million
18LagosNigeria13.4 million
19Rio de JaneiroBrazil13.3 million
20TianjinChina13.2 million
21KinshasaDR Congo13.1 million
22GuangzhouChina12.6 million
23Los AngelesUnited States12.5 million
24MoscowRussia12.4 million
25ShenzhenChina11.9 million
26LahorePakistan11.7 million
27BangaloreIndia11.4 millio
28ParisFrance11.1 million
29BogotaColombia10.8 million
30JakartaIndonesia10.6 million
31ChennaiIndia10.5 million
32LimaPeru10.4 million
33BangkokThailand10.2 million
34LondonUK10 million

Lagos, Nigeria

Lagos in Nigeria is at number 18 of the list. The city’s population is 13.4 million. There is also a very high level of poverty in Lagos as two out of three residents live in slums without clean water and electricity. Lagos’s population only continues to grow due to high birthrates. It is estimated that in the next years the population will grow rapidly.

Los Angeles, CA

At the 23rd place of the list comes Los Angeles with 12.5 million residents total population. The City of Angels started out as a town of just 4,000 people and gradually became a city that for many is characterized as a paradise.

At the 28th place of the list comes Paris with 11.1 million population. In the 1850s the city was transformed. Roads were widened, trees were planted and the sewage system was improved. So Parisian farmers came up to feed the booming population. New urban farms yielded 110 pounds of produce per resident annually.

At 34th place of the list comes London with 10 million people population. In 1815 London was the largest city in the world. Nowadays, it still has a place among the largest cities on the list globally. An influx of newcomers and young families is estimated to push the population over 11 million by 2050. What’s more, the number of cities with populations of more than 10 million people will rise to 41 by 2030.

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CEOWORLD magazine - Latest - Stats Gate - The World’s Largest Megacities By Population, 2020
Maria Gourtsilidou
Maria Gourtsilidou is Senior Editor of Research and Data Analytics at the CEOWORLD magazine. She is responsible for driving thought leadership, using data analytics to showcase the company’s products and services, and fostering knowledge sharing between CEOWORLD magazine and client organizations. She studied Public Administration (Economics Of The Public Sector) in Greece and holds a Bachelor’s in Public Administration from the Panteion University of Political & Social Studies. Follow Maria Gourtsilidou on Twitter. Write at