North America
This megacity that also includes Santa Ana and Long Beach has a population of 12.44 million people, many of which are A-list celebrities including Johnny Depp, Jennifer Lopez and Kim Kardashian.
Los Angeles
E aí? This megacity, the biggest one in South America, is home to Pelé, Neymar Jr. and Alexandre Herchcovitch.
São Paulo
Kinshasa, the megacity capital of the Democratic Republic of Congo, is the largest Francophone city in the world, meaning that this language is used in government, entertainment, publications, schools, and places of business between people of different social classes.
French
Kanpai! Year after year, this megacity remains the largest in the world, currently with a population of about 37.39 million people.
Tokyo
Depending on where you place Istanbul, this largest (or second largest) megacity in Europe is home to a preserved corpse that has been on display for 97 years and a famous place whose name means fortress within a city.
Moscow
This magnificent megacity of almost 21 million people is the capital city of the country with which it shares its name.
Mexico City (Ciudad de México)
Pablo Escobar wasn't from this megacity, but from Rionegro, about an hour away from Medellin where he was ultimately killed.
Bogotá
A popular dish in this megacity combines rice, pasta, lentils and garbanzo beans in a rich and vinegary tomato sauce, topped off with crispy onions and hot sauce. بالعافية
Cairo
The spire on Sleeping Beauty's castle in Disneyland is modeled after the spires of Sultan Ahmed Mosque in this megacity that is the only one to lie on two different continents.
Istanbul
This unofficial megacity is home to the most famous family in the world as well as fish and chips, double-decker busses, and the world's most famous timepiece.
London
An apple a day probably wouldn't keep doctors away in this megacity where physicians here and all over the state average among the 10th highest paid in the U.S.
New York City
Chevón! This South American megacity has a Biblical theme park called Holy Land. Thankfully, they're also known for their delicious savory empanadas.
Buenos Aires
This megacity is not made out of building blocks despite what its name sounds like and in 2020, it became the largest megacity in Africa by just over 20,000 people.
Lagos
Known as the Pearl of the Orient and Paris of the East, this third largest megacity even has its own Champs-Élysées - Nanjing Road.
Shanghai
If you want to study at one of the oldest universities in the world, look no further than the Sorbonne in this megacity.
Paris
Of the top 30 megacities in the world, this many of them are in North America.
If you need a quick energy boost after visiting Cristo Rendentor statue on Corcovado Mountain in this megacity, get yourself some podrão like picanha, coxinhas, or mandioca frito.
Rio de Janeiro
Comedian Trevor Noah is from this 5th largest city in Africa and largest city in South Africa, where he experience apartheid as a child until its end in the early 1990's.
Johannesburg
S̄wạs̄dī! This is the smaller of the 2 megacities found in Southeast Asia. Rather than living at the royal palace here, King Rama X reportedly spends most of his time in the Bavarian Alps in Germany.
Bangkok
While Europe is home to some of the world's megacities, it's also home to the world's smallest - this city that receives millions of tourists annually, but only has a population of about 800.
Vatican City
Of the North American megacities, it's the one closest to the geographic center of North America.
Los Angeles (It's closer than the next nearest megacity by only 81 miles!)
This megacity that is the 5th largest in South America is the second largest desert capital city in the world.
Lima
Fun Fact: Dar es Salaam, one of the largest cities in Eastern Africa and former capital of Tanzania, is just a quick ferry ride from Zanzibar, home to this former frontman of Queen, whose birth name was Farrokh Bulsara.
Freddie Mercury
This megacity on the island of Luzon derives from the name of a flowering shrub that grows on the Nilad plant that is native to the region.
This city is the sunniest city in Europe and one of the four richest cities in Europe, and while its population is the 6th highest in Europe, it is still a while away from being called a megacity.
Madrid