The Global Built Asset Wealth Index 2013

"The Global Built Asset Wealth Index demonstrates thedistribution of the world’s wealth in terms of the physical assets which contribute to a nation’s productivity. The index illustrates the accumulation of buildings, infrastructureand machinery and equipment to unveil the economic divergence between 30 countries that represent 82 per cent of global GDP. It also highlights how these disparities are predicted to evolve in future."

Link to the report.