# Treasury — Te Ara Mokopuna: 2025 Long-term Insights Briefing

**Source:** The Treasury New Zealand, August 2025  
**ISBN:** 978-1-991149-66-4  
**Category:** Government Policy / Fiscal Governance  
**KB Location:** `01_Government_Policy`  
**Cross‑references:** Long-term Fiscal Statement 2025, Fiscal Sustainability

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## Overview

The Long-term Insights Briefing (LTIB), published under the Public Finance Act, examines the role of fiscal policy through shocks and business cycles. While not specifically about older people, it provides the framework for understanding how government revenue and spending affects living standards, tax burden, public services, and the debt legacy for future generations — all of which directly impact older NZers now and in retirement.

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## Key Themes

### 1. Debt Ratcheting Upwards

- Since the late 1980s, government responses to economic shocks have averaged **~10% of GDP per decade**
- Major shocks: COVID-19, 2023 NIWE, Canterbury & Kaikōura earthquakes, GFC
- Net core Crown debt has risen over decades — each shock adds to debt that is never fully unwound in subsequent recoveries

### 2. Less Capacity to Respond to Future Shocks

- Future shocks are likely: natural hazards, biosecurity (foot & mouth disease), climate‑driven weather, geopolitical tensions
- Higher starting debt + less favourable interest rates/growth + long‑term pressures (ageing, climate) = reduced fiscal flexibility
- Treasury's 2022 assessment: **maximum 'prudent' debt level in normal times ≈ 50% of GDP**

### 3. When Should Fiscal Policy Be Used?

1. Cyclical management → mostly monetary policy
2. Allow automatic stabilisers to operate
3. Use fiscal policy only if monetary policy is constrained or extreme
4. Ensure essential government functions survive shocks
5. Address distributional impacts

### 4. Building Private Sector Resilience

- Maintain flexible economy: floating exchange rate, independent monetary policy, flexible labour/goods/insurance markets
- Government can invest in resilience infrastructure, regulate, facilitate private insurance

> _"The expectation that governments will provide support... can reduce the incentives for firms, households and communities to manage their own risks."_

### 5. Fiscal Institutions & Transparency

- Recommends considering an **independent fiscal institution (IFI)** to scrutinise fiscal policy sustainability (like Australia's PBO, UK's OBR)
- Would support public and Parliamentary accountability
- NZ currently has no independent fiscal watchdog

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## Relevance to Older New Zealanders

- **Ageing population** is explicitly identified as a key long‑term pressure reducing fiscal flexibility
- The LTIB's framework for fiscal responses applies directly to:
  - NZ Super sustainability (an intergenerational transfer)
  - Health spending for ageing population
  - Capacity to fund aged care, home support, dementia services in future shocks
- If an IFI were established, it would provide independent scrutiny of superannuation policy and long‑term care funding — potentially adding pressure for reform

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## Source

- Full HTML: https://www.treasury.govt.nz/publications/ltib/te-ara-mokopuna-2025 (accessed 9 Jun 2026)
- Full PDF (5.31 MB): available at same link
- Short version (11.97 MB PDF): available at same link
- Data & Charts (896.5 KB): available at same link