The country's overdue tax debt has hit $9.3 billion for the year to June, according to new reports.
It's growing faster than the Government's tax take and New Zealand's overall economy, prompting concern from experts.
NZ Herald Wellington business editor Jenee Tibshraeny explained further.
LISTEN ABOVE

Enda Brady: UK correspondent on Harry and Meghan removing their children from UK school amid security concerns
04:04

Jamie Mackay: The Country host on what the latest Federated Farmers Confidence survey means for the sector
04:15

Ben O'Keeffe: international rugby referee and expert on whether less TMO influence improves rugby
05:42