Australia is more exposed to the economy of a single nation - China - than at any time since the 1950s, when Britain was our major trading partner.

While the gains from that economic relationship have been huge, the risk if China's economy slows are potentially just as large, new modelling warns.

The analysis, from Deloitte Access Economics' Chris Richardson, to be released at the National Press Club on Wednesday, says that if economic growth in China halved from its current rate of about 6.7 per cent to 3 per cent, Australia would be forced into recession as the nation "just doesn't have the ammo to fight it off any more".

The damage would include: