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Urban population boom poses massive challenges for Africa and Asia

 

Population in Africa

Some of the world’s most populous cities are predicted to be home to more than 30 million people by 2030. Photograph: Simon Maina/AFP/Getty

 

Powered by Guardian.co.ukThis article titled “Urban population boom poses massive challenges for Africa and Asia” was written by Mark Anderson and Achilleas Galatsidas, for theguardian.com on Thursday 10th July 2014 15.00 UTC

Two-thirds of the world’s population will live in cities by 2050, posing unique infrastructural challenges for African and Asian countries, where 90% of the growth is predicted to take place.

The planet’s urban population – which overtook the number of rural residents in 2010 – is likely to rise by about 2.5 billion to more than 6 billion people in less than 40 years, according to a UN report. Africa and Asia “will face numerous challenges in meeting the needs of their growing urban populations, including for housing, infrastructure, transportation, energy and employment, as well as for basic services such as education and healthcare”, it adds.

Future development targets should focus on creating inclusive cities with adequate infrastructure and services for all residents, said John Wilmoth, director of the UN’s population division. “Managing urban areas has become one of the most important development challenges of the 21st century,” he said. “Our success or failure in building sustainable cities will be a major factor in the success of the post-2015 UN development agenda.”

The report says rapid urbanisation will bring opportunities for governments to improve access to important services. “Providing public transportation, as well as housing, electricity, water and sanitation for a densely settled population is typically cheaper and less environmentally damaging than providing a similar level of services to a predominantly rural household,” it says.

Africa is projected to experience a 16% rise in its urban population by 2050 – making it the most rapidly urbanising region on the planet – as the number of people living in its cities soars to 56%.

The report predicts there will be more than 40 megacities worldwide by 2050,each with a population of at least 10 million. Delhi, Shanghai and Tokyo are predicted to remain the world’s most populous cities in 2030, when each is projected to be home to more than 30 million people.

“Several decades ago most of the world’s largest urban agglomerations were found in the more developed regions, but today’s large cities are concentrated in the global south,” the UN says. “The fastest growing urban agglomerations are medium-sized cities and cities with fewer than 1 million inhabitants, located in Asia and Africa.”

 

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