Treasury has raised the alarm over the state of New Zealand's public finances as part of its long-term fiscal forecast.

Record levels of Government spending, increasing health costs and an ever-growing aging population are among the concerns set to create additional fiscal pressures for the country, according to new reports.

Treasury warned Net Core Crown Debt is set to hit 200 percent of GDP by 2065.

Infometrics Principal Economist Brad Olsen says some of these concerns were flagged as early as 2021 - and we need to start thinking about solutions.

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