By contrast, high-income cities across all the regions will likely experience population growth. 

And for some rural cities with low median incomes, populations are likely to grow. 

Only time will tell how large regions and specific cities will be affected by populations over time.

Stagnant cities can usually support their population, but as cities shrink, the ability of city services to support the population may not keep up with the local demand.

This, in turn, can speed up depopulation as people move away from cities that become unlivable.

The team warned: ‘The implications of this massive decline in population will bring unprecedented challenges, possibly leading to disruptions in basic services like transit, clean water, electricity and internet access’ as cities shrink and populations age. 

High taxes and cost of living associated with bustling metropolises have been pushing people away from cities for decades, trends which data suggests were exacerbated […]