If you think you're seeing more Government advertising around, you're probably right.

Newstalk ZB can reveal public sector and Crown agencies have spent almost $125 million on advertising in the last financial year.

That's about 122 percent more than they were spending five years ago.

Deputy Political Editor Jason Walls told Tim Dower the Department of Prime Minister and Cabinet is an example of the increase.

He says that Department spent about two million on advertising in 2016 and 2017, compared to $26 million this year.

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