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population

Tracking Urbanization: How big data can drive policies to make cities work for the poor

Axel van Trotsenburg's picture

Every minute, dozens of people in East Asia move from the countryside to the city.
The massive population shift is creating some of the world’s biggest mega-cities including Tokyo, Shanghai, Jakarta, Seoul and Manila, as well as hundreds of medium and smaller urban areas.

This transformation touches on every aspect of life and livelihoods, from access to clean water to high-speed trains that transport millions of people in and out of cities during rush hour each weekday.

Tracking Urbanization: How big data can drive policies to make cities work for the poor

Axel van Trotsenburg's picture
 Measuring a Decade of Spatial Growth

Every minute, dozens of people in East Asia move from the countryside to the city.

The massive population shift is creating some of the world’s biggest mega-cities including Tokyo, Shanghai, Jakarta, Seoul and Manila, as well as hundreds of medium and smaller urban areas.

The End of the Population Pyramid

Wolfgang Fengler's picture

This is a surfer’s dream: catching a great wave, far from the shore, and riding it for long beautiful moments as it stretches further and further gathering momentum until the very end, when it breaks right at the beach. This is how my generation, born in the 1970s (when the Beach Boys released their iconic Surf’s Up album), should feel, as we are riding on a “global demographic wave” which keeps extending further and further.
 

Toing and Froing in Freetown

Mark Roland Thomas's picture



Countries coming out of crises undergo rapid structural changes, including migration and big economic shifts. This can complicate the measurement of their progress, sometimes in unexpected ways, as we found out recently in Sierra Leone.