The purpose of this article is to make it easier and more convenient for readers to compare different treatment methods on the ranking of cities / metropolitan areas / urban areas / agglomerations / conurbations / megalopolises by population. Very often different rankings give different figures, as the limits and extends of the agglomerations are not clearly identified.

• Thirty most populous cities in the world
• Largest European metropolitan areas by population
• Largest urban areas of the European Union by population
• Largest cities of the European Union by population
• List of major cities in Brazil
• List of metropolitan areas by population
• Metropolitan areas in the Republic of China (Taiwan)
• Metropolitan areas in France
• Largest Cities (within political borders)

External links

Useful lists

• World Gazetteer - 32 most populous cities
• World Gazetteer - a slightly updated version of the previous
• Citypopulation.de Largest Agglomerations
• US Census Bureau: Population Estimates for Metropolitan Areas and Components
• WorldAtlas.com: Top 100 Cities of the World - ranked by population
• PopulationData.net: all 1M+ unhabitants Metropolitan areas
• Demographia.com: 50 Largest World Metropolitan Areas
• Citypopulation.de: The Principal Agglomerations of the World
• World Gazetteer on urban agglomeration

Others

• All major urban areas with more than one million of population
• Cities with more than two million of population (note: this website is not related with the one above)
• Most populous city of each country
• Number of cities per size category by country
• Part of population of each country living in its most populous city (comparison of data of different years)
• Dictionary of the History of ideas: The City

Definitions