The Audit found the value-add (or economy-wide spending) attributable to infrastructure services made up 13.3 per cent of GDP in 2011. This is projected to double, from $187 billion in 2011 to $377 billion in 2031. More than 70 per cent of the value-add derived from infrastructure in 2011 was attributable to transport, while the remaining sectors accounted for 8-10 per cent each. Well over half of transport value-add was from urban transport.
Spending in the economy on infrastructure services comprised 13.3 per cent of GDP
The Audit projects economic activity across 73 regions. From an economic perspective, 91 per cent of the value-add from infrastructure occurs in just 20 regions spread across urban and regional Australia.