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Due to urbanization, by 2025, two-thirds of the world population may face water shortages.

An estimated 24% of the urban population in developing countries resides in slums.

Urban areas generate about 1.3 billion tonnes of solid waste annually, which is expected to increase to 2.2 billion tonnes by 2025.

It is projected that by 2050, 68% of the world's population will be urban.

Urbanization has resulted in the conversion of over 1 million square kilometers of natural habitats into urban areas in the last century.

Urban areas account for over 75% of energy consumption worldwide.

Rural to urban migration continues to rise with better economic opportunities in cities functioning as a major pull factor.

Despite covering a small fraction of the Earth's landmass, urban areas generate around 80% of the global GDP.

Africa and Asia are currently the fastest urbanizing regions, with cities expanding at an average rate of 1.5% per year.

Urbanization can exacerbate health issues due to increased pollution and higher population densities, potentially leading to more rapid disease transmission.

Urban expansion often consumes fertile agricultural land, potentially reducing food production and increasing dependence on imports.

Cities contribute to approximately 70% of global CO2 emissions despite covering less than 2% of the Earth's surface.

The number of megacities (cities with more than 10 million inhabitants) has increased from 10 in 1990 to 33 in 2020.

As of 2023, 56% of the world's population lives in urban areas.