State final demand lifted 0.2 per cent in Western Australia in the June quarter, while national GDP growth hit its fastest level in more than 5 years at 3.4 per cent in the 12 months to June.

State final demand lifted 0.2 per cent in Western Australia in the June quarter, while national GDP growth hit its fastest level in more than 5 years at 3.4 per cent in the 12 months to June.