Check out each city's survey.
The first radio ratings for 2018 have been released this morning and it has delivered some shake-ups and some expected results.
See the metro ratings figures below. Click on image for larger version
Thanks to some healthy increases across the board, triple j's overall weekday share has increased by 1.8% to chart a 6.7% score. The youth broadcaster enjoyed nice boosts in all slots, including breakfast (up 1.2%) and morning 2.9%.
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The latest shuffle to 2DayFM's breakfast line-up has also started off positively; though it's still positioned at the bottom of the FM breakfast ladder, the station increased by 0.6% for an overall share of 3.4%. KIIS1065's Kyle & Jackie O remain the city's most-listened to FM breakfast show with an overall share of 10.0%
However, WSFM has taken out the FM crown for Sydney to start 2018, posting an overall weekday share of 9.0%.
The results weren't as kind for triple j in the Melbourne market, with drops throughout some important slots seeing the station drop 0.6% for an overall weekday share of 4.8%; however the weekday slot did enjoy an increase of 1.2%.
Meanwhile, thanks to some massive spike across the board, 101.9 Fox Fm's overall weekday share has increased by a whopping 2.4% to 10.8%, making it the city's most-listened to FM station, ahead of Smooth FM's score of 10.3%.
Much like Melbourne, triple j only experienced an increase in the weekend slot, while all other categories dropped, resulting in an overall weekday share of 8.4%.
Nova 106.9 has managed to fend off the competition and retain the #1 position for FM stations in the city, posting a 12.6% overall weekday share, ahead of 97.3 FM in second place with a 12.1% share.
Triple J had its biggest outing in Perth for the first survey of 2018, with huge increases across the board helping it post an overall share of 10.8%; up 2.2% from the final survey of 2017.
The broadcaster saw big spikes on the weekend slot (up 3.2%), afternoon (up 2.9%), drive (up 1.1%) and breakfast (up 1.0%).
However, Mix 94.5 could not be denied the FM crown for Perth, posting a massive overall share of 15.7%, while also claiming top spot for the breakfast slot.
Triple J has remained steady in Adelaide and increased its overall weekday share by 0.3%, despite dropping 1.1% in breakfast.
Mix 102.3 remains the city's most-listened to station by leaps and bounds though, posting an overall weekday share of 16.1%, well ahead of Triple M in second spot with 10.6%.
Mix topped nearly all categories, including breakfast (15.1%) and drive (15.2%).