Cities, mostly characteristic of the developing world, where high population growth and migration have caused them to explode in population since World War II. Cities with more than 10 million people.

• Megacities

• metacities

• World Cities

• Globalization

Agglomerations of several cities, towns, and suburbs that have expanded so that they coalesce into a single, sprawling urban mass of more than 20 million people.

• metacities
• Urbanization
• Globalization
• rank-size rule

An increase in the percentage and in the number of people living in urban settlements.

• Urbanization
• urban sprawl
• rank-size rule
• primate city

The process of urban areas expanding outwards, usually in the form of suburbs, and developing over fertile agricultural land.

• urban sprawl
• World Cities
• primate city
• Bid rent theory

A group of cities that form an interconnected, internationally dominant system of global control of finance and commerce

• World Cities
• Globalization
• Bid rent theory
• Infilling

Actions or processes that involve the entire world and result in making something worldwide in scope.

• Globalization
• rank-size rule
• Infilling
• mixed-use development

the country's nth-largest settlement is 1/n the population of the largest settlement

• rank-size rule
• primate city
• mixed-use development
• greenbelts

The largest settlement in a country, if it has more than twice as many people as the second-ranking settlement.

• primate city
• Bid rent theory
• greenbelts
• Slow-growth cities

geographical economic theory that refers to how the price and demand on real estate changes as the distance towards the Central Business District (CBD) increases.

• Bid rent theory
• Infilling
• Slow-growth cities
• Squatter Settlement

The process by which population density in an urban centre is increased by building on waste land or underused land.

• Infilling
• mixed-use development
• Squatter Settlement
• urban renewal