Law enforcement and government agencies have again widened their access to vast quantities of Australians' private phone and internet data without judicial permission.

Telecommunications interception under warrant has also grown significantly, with figures released by the federal government revealing police spent more than $50 million on phone taps last year.

Federal and state government agencies accessed private telecommunications and internet data 330,640 times during criminal and financial investigations in 2012-13 - an 11 per cent increase in a year and a jump of 31 per cent over two years.

Federal and state agencies accessed telecommunications data an average 6358 times a week in 2012-13.