Austereo's mix 94.5 continued its domination of the Perth radio market, commanding 18.2 per cent of total market share in the Monday-Sunday period, in the June 25 - September 2 radio ratings period issued by Nielsen Media Research.
The FM broadcaster's overall audience share gained 0.5 per cent from the previous reporting period, which was more than doubled by the 1.2 per cent increase in the second placed 96FM's audience, bringing the Southern Cross broadcaster's market share to 14.3 per cent.
DMG Radio's Nova 93.7 stayed in third with a 0.6 per cent increase to 11.8 per cent, followed by ABC 720 at 10.7 per cent, falling 0.3 points, and Southern Cross's 6PR at 10.5 per cent, up by 0.2 per cent.
Mix's little sister 92.9 remains the station of choice for 10-17 year olds at 28.2 per cent of market share, while Nova dominated the 18-24 age bracket with 33.6 per cent, more than double its nearest competitor.
25 per cent of the 25-39 age demographic listen to 96FM, while Mix lifted its market share among 40-54 year olds by 3.1 per cent to 28.4 per cent, doubling it's nearest rival's 14 per cent.
Meanwhile, the battle for the ears of the over 55 age group escalated with 6PR increasing its audience by 0.9 per cent to 23.5 per cent, only 0.2 behind market leader ABC720.
By session, Mix had the greatest share of the weekday audience at 18.6 per cent, followed by 96FM at 15.3 per cent and Nova at 12.3 per cent.
Mix also had the greatest share of the weekend audience, sitting ahead of the pack at 16.9 per cent.
In the breakfast radio market, Botica's Bunch on Mix still rules the roost at 17.2 per cent, with ABC720's lineup in second at 16 per cent. In third place, 96FM's Tony, Fitzi and Andrea pulled ahead of Nova's Nathan and Nat with 12.7 per cent and 11.9 per cent respectively.
Mix and 96FM continue to dominate the Morning and Afternoon time slots, with the ABC's Triple J the biggest loser, dropping 2.8 per cent and 2.9 per cent in both periods.
The story doesn't change much in the Drive time slot either, with local content on Mix and 96FM at 17.9 per cent and 14.5 per cent respectively ahead of eastern states imports on Nova and 92.9.
