ABC's local radio station in Perth, 720, has been knocked off the mantle as the No.1 breakfast radio station - beaten by Mix 94.5.

The latest radio ratings show Mix 94.5 has increased its breakfast listeners by 0.9 percentage points to 14.9 per cent, while ABC720 has dropped 0.7 percentage points to 13.8 per cent.

Mix 94.5 has also won the drive time slot with a 14.2 per cent share of listeners, followed by 92.9 with 13.6 per cent.

In the first radio survey of the year, Mix 94.5 remains on top as the overall favourite radio station with 14.3 per cent of the audience share, followed by 96FM, Nova 93.7 and 92.9.

ABCFM was the biggest loser overall, dropping 1.2 percentage points to 2.3 per cent.

Overall Perth radio ratings for all age groups:

1. MIX 94.5 - 14.3 (up 0.1)

2. 96FM - 12.5 (up 0.8)

3. NOVA93.7 - 11.1 (up 1.0)

4. 92.9 - 10.8 (up 0.8)

5. 6JJJ - 10.2 (up 0.1)

6 ABC720 - 9.9 (down 0.7)

7. 6PR - 8.7 (up 0.4)

8. 6IX - 4.6 (down 1.0)

9. ABCFM - 2.3 (down 1.2)

10. 6RN - 1.7 (up 0.3)

11. NEWSR - 1.2 (down 0.3)

* Radio ratings figures supplied by Nielsen and cover the period January 20 - February 23, 2013, compared with previous survey October 28 - December 1, 2012.