Johannesburg accounts for approximately 15% of the national GDP and is inhabited by roughly 10% of the country's population.

South Africa will struggle to solve its housing shortage if its largest economic hub continues to approve so little new housing development.

Johannesburg is SA's economic powerhouse and a magnet for people seeking opportunity, says Sandra Gordon, an independent research economist.

She says Johannesburg is SA's economic powerhouse and a magnet for people seeking opportunity. “It is home to about 10% of the nation's population and contributes around 15% of national GDP.

“Yet over the past five years, it accounted for just 3.8% of all residential building plans passed nationwide.