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Cities of the World

6,902 Places in Numbers — A Data Atlas of Every City of 100,000+ Measured from Satellites, Weather Stations and Open Maps

Cities of the World
This book is 100% completeLast updated on 2026-11-03

How big is a city? Ask three people and you may get three different answers, all of them correct. Cities of the World answers the question three ways for every place on Earth that reports 100,000 people or more: 6,902 cities in 176 countries and territories.

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About

About

About the Book

How big is a city? Ask three people and you may get three different answers, all of them correct. Cities of the World answers the question three ways for every place on Earth that reports 100,000 people or more: 6,902 cities in 176 countries and territories.

Each city is measured by its administrative boundary, by the continuous built-up agglomeration seen from space, and by a fixed 10 km circle that allows a truly like-for-like comparison. The result is a reference book of rankings and tables that puts Dhaka, Cairo, Shanghai, Paris, La Paz and Yakutsk on the same scale.

Inside you will find:

- The 40 largest urban agglomerations on Earth, and why "one city" is often dozens of municipalities grown together

- The densest city cores, where more than ten million people live within 10 km of the centre

- Twenty-five years of change, 2000 to 2025: the fastest-growing cores and the ones that lost people

- The highest and lowest cities, from the Tibetan Plateau and the Andes to the shores of the Caspian Sea

- Hottest, coldest, wettest and driest cities from real weather-station records for 1991–2020, with no modelled filling

- Distance to airports and seaports, mapped streets, footpaths and railways, and how green each city is

- National capitals compared, twelve detailed country profiles, and a summary table for all 176 countries and territories

More than 60 ranked tables and text charts are computed directly from open data: the Overture Maps Foundation and OpenStreetMap, the European Commission's Global Human Settlement Layer, NOAA's Global Historical Climatology Network, OurAirports and Natural Earth. Every figure can be traced to its source, and the book explains plainly where the data are strong and where they are weak.

For readers who love maps, atlases, geography trivia, travel planning or urban studies, and for teachers and students who need a consistent, sourced picture of the world's cities.

Made with AI assistance (procedural data + AI-written text): every table was computed by code from the open datasets listed in the book, and the explanatory text was drafted with an AI model and checked against those tables.

Custom data books, tables or charts on commission: hello@lilambd.com

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Author

About the Author

Lilambd

Real-world data turned into things you can print, cut, hear and use. Every piece is built with code from open data and ships with its sources.

Need a specific file or dataset made? Ask here (no promise, quick form): https://docs.google.com/forms/d/e/1FAIpQLSf6V7YALfwE42SaF1re_cLzAoP96TpRg61jE3Nf7UTWEtWRxA/viewform

Contents

Table of Contents

Copyright and Data Notice

  1. Copyright
  2. A note on the data

Introduction: Why Count Cities This Way?

Chapter 1. Three Ways to Measure a City

  1. The problem of the boundary
  2. How the settlement model classifies the cities
  3. When the three measures disagree
  4. Coverage at a glance

Chapter 2. Where the 6,902 Cities Are

  1. A world of very uneven distribution
  2. North and south, east and west
  3. The extremes of latitude

Chapter 3. Population as Reported

  1. What the population tag is
  2. The size ladder
  3. The thirty largest by reported figure
  4. Million-plus cities by country
  5. The rank-size pattern

Chapter 4. The Great Agglomerations

  1. Cities that have grown together
  2. The forty largest agglomerations
  3. Agglomerations shared by the most cities
  4. Where the 5-million-plus agglomerations are
  5. A note on the largest urban clusters

Chapter 5. Density: People Within Ten Kilometres

  1. A fair comparison
  2. The densest city cores on Earth
  3. The least dense
  4. How much of the disc is built up
  5. Density by country

Chapter 6. Twenty-Five Years of Change, 2000 to 2025

  1. Measuring growth on a fixed footprint
  2. The fastest-growing cores
  3. The largest absolute gains
  4. Cores that lost people
  5. Growth by country

Chapter 7. High Cities and Low Cities

  1. Elevation of the city point
  2. The highest cities
  3. Capitals in the clouds
  4. The lowest cities
  5. The steepest cities
  6. Elevation by country

Chapter 8. Heat and Cold: Temperature Normals 1991–2020

  1. Where the numbers come from
  2. The hottest cities
  3. The coldest cities
  4. Continental and maritime
  5. The “eternal spring” cities
  6. The warmest month
  7. Coverage by country

Chapter 9. Wet Cities and Dry Cities

  1. Rainfall normals
  2. The wettest cities
  3. The driest cities
  4. When the rain comes

Chapter 10. Airports and Ports

  1. Distance to the nearest large airport
  2. Ports

Chapter 11. Streets, Footpaths and Rails

  1. Mapped networks in a 3 km circle
  2. The densest street networks
  3. Walking and cycling
  4. Motorways
  5. Rails
  6. Networks by country

Chapter 12. Green in the City

  1. Two ways to measure green
  2. The most parkland near the centre
  3. The most open green land
  4. Greenness among the buildings
  5. Green by country

Chapter 13. Capitals Compared

  1. The most populous capital cores
  2. Capitals that are not the largest city
  3. Climate of the capitals
  4. The fastest-growing capital cores

Chapter 14. Country Profiles

  1. China
  2. India
  3. United States
  4. Brazil
  5. Japan
  6. Turkiye
  7. Russia
  8. Philippines
  9. Viet Nam
  10. Indonesia
  11. Mexico
  12. Pakistan

Appendix A. Country Summary Table

Appendix B. The 150 Most Populous 10 km Discs

Appendix C. Column Glossary

Sources and Licences

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