Abbott defends the Budget, says it's 'honest'

Tony Abbott is defending his government's unpopular first budget, saying it's "fundamentally honest" and the right thing for the nation.

Beginning his post-budget media blitz, the Prime Minister has conceded voters won't like a lot of the measures.

“All the savings from health go into health research, and as for education, over the forward estimates, our spending on schools is maintained," Abbott told Sunrise on Wednesday morning.

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"We are not going to cook the books, we are not going to make a series of rosy assumptions," he said, "The government cannot keep using its credit card to pay the nation's mortgage."

The budget includes a $7 charge for GP visits, lower pension rises and hikes in the fuel excise and income tax for people earning over $180,000.

It also includes cuts to family benefits, foreign aid and the ABC.

“You can’t plan constantly on best case scenarios, you’ve got to plan on much more conservative scenarios. We are not going to cook the books, we are not going to make a series of rosy assumptions the way the Labor government did, " the Prime Minister told Sunrise.