Clive Palmer’s United Australia Party has spent nearly $3.5 million on advertising in April as it continues to outpace its political rivals.

Figures obtained from Nielsen Ad Intel – which tracks ad spending across metro television, print, radio and digital – show the party has spent $3.49 million this month. The Labor Party has spent $472,247, the Liberal Party has paid just $103,265 and the Greens bought $42,991 in ads.