The World’s Cities in 2018
Data Booklet

Abstract
This data booklet highlights current and future trajectories of populations in cities around the globe, drawing on the population estimates and projections published in World Urbanization Prospects: The 2018 Revision.
© United Nations
Table of Contents
The world’s cities in 2018
The World’s Cities in 2018
The world’s cities are growing in both size and number
One in five people worldwide lives in a city with more than 1 million inhabitants
Delhi will overtake Tokyo as the world’s largest city by 2030
Most megacities are located in the global South
The share of the population residing in cities is increasing in all regions
Most of the world’s fastest growing cities are in Asia and Africa
Fifty-two cities have experienced population decline since 2000
Most cities are vulnerable to at least one type of natural disaster
Annex table: The world’s cities with 1 million inhabitants or more in 2018
The World’s Cities in 2018
The world’s cities are growing in both size and number
One in five people worldwide lives in a city with more than 1 million inhabitants
Delhi will overtake Tokyo as the world’s largest city by 2030
Most megacities are located in the global South
The share of the population residing in cities is increasing in all regions
Most of the world’s fastest growing cities are in Asia and Africa
Fifty-two cities have experienced population decline since 2000
Most cities are vulnerable to at least one type of natural disaster
Annex table: The world’s cities with 1 million inhabitants or more in 2018