Urban Transformation

These are the world's 10 fastest growing megacities

A couple fishing along Pearl River (or Zhu Jiang) next to office buildings in downtown Guangzhou, Guangdong province December 7, 2013. The Pearl River is China's second largest river by volume after the Yangtze River. Fisherman on the River are lately faced with periodic banning of fishing by Chinese government in an effort to protect the area's fishery resources, according to local media. Picture taken December 7, 2013. REUTERS/Stringer

Image: REUTERS/Stringer

Joe Myers
Writer, Forum Agenda
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Cities and Urbanization

The growth of megacities, urban areas with a population of over 10 million, is a reflection of the rapid pace of urbanization in countries across the world.

In 1990, there were just 10 megacities across the globe. By 2030, this is expected to rise to 41, according to the UN.

Guangzhou, Guangdong in China tops the list of the world’s fastest growing megacities between 2010 and 2015.

Global urban population growth is propelled by the growth of cities of all sizes
Image: UN

The fastest growing megacities

The Pearl River port city of Guangzhou, located in Guangdong province, grew at an average rate of 5.2% every year between 2010 and 2015. Its population reached 12.5 million last year.

 These are the world's fastest growing megacities
Image: UN World Urbanization Prospects

Guangzhou is one of five Chinese cities in a top 10 dominated by urban areas in emerging and developing economies. Karachi, Delhi and Kinshasa all feature, alongside Dhaka and Lagos.

This reflects the ongoing growth in urbanization in Africa and Asia. According to the UN’s World Urbanization Prospects, India, China and Nigeria alone will account for over a third of urban growth between 2014 and 2050.

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The Chinese government is planning to create even bigger megacities, including combining nine cities in the Pearl River delta, and creating the massive megacity of JingJinJi.

With a current population of over 130 million, the planned link-up of Beijing, Tianjin and Hebei would be bigger than Japan by population, and larger than Uganda by area.

 JingJinJi
Image: news.com.au

The challenges – and opportunities – of urbanization

By 2050, two-thirds of the world’s population is expected to be urban. This brings with it opportunities and challenges.

Cities are important drivers of development, and poverty reduction. They are also associated with longer life expectancy and increased geographic mobility.

However, rapid and unplanned urbanization can lead to sub-standard living conditions, pollution and environmental destruction.

Adequate planning is vital to ensure sustainable development and growth in the world’s cities, as highlighted by the World Economic Forum’s Inspiring Future Cities & Urban Services (pdf) report.

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