Building a Diversified Retirement Portfolio Beyond KiwiSaver

You've been diligently contributing to your KiwiSaver for years, watching it grow steadily. But here's a scenario that keeps many Kiwis aged 40-60 awake at night: you're 63, ready to retire in two years, and suddenly your KiwiSaver balance drops 15% in a market downturn. With all your retirement savings in one basket, your options become painfully limited: delay retirement, reduce your lifestyle, or withdraw during a downturn and lock in losses.

This isn't a hypothetical scare tactic. During the global financial crisis in 2008-2009, many KiwiSaver conservative funds dropped 10-15%, while growth funds fell 20-30%. Those who had diversified their retirement savings beyond KiwiSaver had other assets to draw from, giving them flexibility when they needed it most.

Building a diversified retirement portfolio isn't about abandoning KiwiSaver. It's about creating multiple income streams and asset types that respond differently to economic conditions, giving you resilience and flexibility as you approach and enter retirement.

Many Kiwis believe they're diversified because their KiwiSaver fund holds hundreds of different investments. While that's asset diversification, it's not the same as portfolio diversification. The distinction matters.

Your KiwiSaver fund might hold shares in 500 companies, but it's still locked away until you're 65 (with limited exceptions), subject to the same withdrawal rules, and treated identically for tax purposes. If you need money at 62, or want to take advantage of a tax strategy that requires accessing funds, you're stuck.

True portfolio diversification means having:

• Access diversification: Some money available before 65, some locked until retirement
• Tax structure diversification: Investments taxed at different rates (PIE vs non-PIE) or in different ways (capital gains vs income)
• Liquidity diversification: Some assets you can access quickly, others that are longer-term
• Asset class diversification: Different types of investments (shares, bonds, property, cash) that behave differently
• Geographic diversification: Exposure to both NZ and international markets

This broader view of diversification gives you options. Need to bridge a gap between 63 and 65? You have accessible investments. Market drops just before retirement? You can draw from more stable assets while waiting for growth assets to recover. Tax situation changes? You can adjust which accounts you draw from.

Managed funds work similarly to KiwiSaver (they pool money from multiple investors and professional fund managers make investment decisions), but without the age 65 restriction. You can access your money whenever you need it, typically with a few days' notice.

The key distinction in New Zealand is between PIE (Portfolio Investment Entity) funds and non-PIE funds. PIE funds offer potential tax advantages because they're taxed at your Prescribed Investor Rate (PIR), which is capped at 28%. If you earn over $48,000 annually, your regular income tax rate is 30% or 33%, but PIE fund earnings can be taxed at just 28%.

According to the Financial Markets Authority, investors must choose their correct PIR when investing, based on their taxable income over the previous two years. Getting this right can save you thousands in tax over the years.

Major NZ providers like Milford Asset Management, Fisher Funds, and Harbour Asset Management offer PIE managed funds with minimum investments typically starting at $5,000-$10,000, though some platforms allow lower entry points. Annual management fees generally range from 0.5% to 1.5%, depending on the fund type and provider.

Term deposits remain a cornerstone of conservative retirement portfolios in New Zealand. You lend money to a bank for a fixed period (typically 3 months to 5 years) in exchange for a guaranteed interest rate. Your capital is protected, and returns are predictable.

As of 2024, competitive NZ term deposit rates range from 5% to 6% for 6-12 month terms, though rates fluctuate based on the Reserve Bank of New Zealand's Official Cash Rate settings. The key benefit: you know exactly what you'll receive and when.

Term deposits are particularly valuable for the portion of your retirement portfolio you'll need in the next 1-5 years. They provide certainty when you're planning specific expenses like home maintenance, a vehicle replacement, or supplementing NZ Super in early retirement.

One important protection: term deposits with NZ registered banks are not covered by a government deposit insurance scheme the way they are in some countries. However, the Reserve Bank's regulations require banks to maintain strong capital buffers. Most retirement planners suggest spreading term deposits across multiple banks and keeping each deposit under $250,000 to manage institution-specific risk.

Tax considerations matter here too. Term deposit interest is taxed as income at your marginal tax rate (potentially 30% or 33%), unlike PIE funds which cap at 28%. This makes term deposits less tax-efficient for higher earners, though the guaranteed returns and capital protection often outweigh the tax disadvantage for conservative portions of a portfolio.

Bonds are loans you make to governments or companies in exchange for regular interest payments and return of your principal at maturity. They sit between term deposits and shares in the risk-return spectrum: more stable than shares, but potentially higher returns than term deposits.

New Zealand investors can access several types of bonds:

NZ Government Bonds: Issued by the New Zealand Treasury, these are considered among the safest investments available to Kiwis. The NZ government has never defaulted on its bonds. Minimum investments start around $1,000, and terms range from 2 to 30 years. Interest is paid every six months.

NZ Corporate Bonds: Companies like Contact Energy, Auckland Airport, or major banks issue bonds to raise capital. These typically offer higher interest rates than government bonds (to compensate for slightly higher risk), with rates varying based on the company's credit rating. Many trade in minimum parcels of $5,000.

Bond Funds: Rather than buying individual bonds, you can invest in a managed fund that holds a diversified portfolio of bonds. This provides instant diversification and professional management. Many are structured as PIE funds, offering the same tax advantages mentioned earlier.

The key consideration with bonds: they can lose value if you need to sell before maturity. When interest rates rise, existing bonds with lower rates become less valuable. However, if you hold until maturity, you'll receive your full principal back (assuming the issuer doesn't default). This makes bonds particularly suitable for matching specific future expenses, you can buy a bond that matures when you'll need the money.

ETFs have exploded in popularity among NZ investors over the past decade. These funds trade on the stock exchange like individual shares, but each unit represents ownership in a diversified portfolio of assets. Think of them as managed funds that trade like shares.

The NZX (New Zealand's stock exchange) hosts both local and international ETFs. Popular options include:

Smartshares NZ Top 50 Fund: Tracks the 50 largest companies on the NZX, giving you instant exposure to Fisher & Paykel Healthcare, Auckland Airport, Meridian Energy, and other major Kiwi businesses. Minimum investment is the cost of one unit (typically $1-$3), though brokerage fees make it practical to invest at least $500-$1,000 at a time.

Smartshares Total World Fund: Provides exposure to approximately 8,000 companies across developed and emerging markets globally. This single investment gives you shares in companies from the US, Europe, Asia, and beyond.

Vanguard International Shares Select Exclusions Fund: Focuses on international companies while excluding controversial sectors, appealing to investors with ethical considerations.

ETFs typically charge lower management fees than actively managed funds, often 0.2% to 0.6% annually compared to 0.8% to 1.5% for managed funds. Over decades, this difference compounds significantly.

Many NZ ETFs are structured as PIE funds, providing the tax advantages discussed earlier. You can buy ETFs through online share trading platforms like Sharesies, Hatch, or ASB Securities, or through traditional sharebrokers. Be aware of platform fees, which vary significantly between providers.

Understanding individual investment options is one thing. Combining them into a coherent strategy is another. Here are key factors that influence how different investors might approach portfolio construction:

Time horizon considerations: Generally, assets you'll need to access within 3-5 years are often held in more stable investments like term deposits or bonds, while money you won't touch for 10+ years can potentially weather the volatility of shares and growth-focused managed funds. This relationship between time and risk tolerance is fundamental to portfolio construction.

Access needs before 65: If you're planning to retire before you can access your KiwiSaver, you'll need substantial investments outside KiwiSaver. Questions to discuss with a financial adviser include: How much will you need annually before 65? What's the most tax-efficient way to structure those investments? Should you prioritize PIE funds for their tax advantages?

Tax efficiency strategies: The interaction between PIE funds, your tax bracket, and other income sources can be complex. Higher earners (30%+ tax rate) may benefit more from PIE funds capping tax at 28%, while lower earners might see less advantage. The calculation changes again when you start receiving NZ Super and have lower overall income.

Costs and fees: Every 0.5% in fees can reduce your retirement balance by tens of thousands over 20-30 years. Compare total costs including management fees, platform fees, and trading costs. Sometimes a 1.2% managed fund that's perfectly suited to your goals is better than a 0.4% ETF that doesn't quite fit, but understanding the cost impact helps you make informed decisions.

Rebalancing discipline: Diversification only works if you maintain it. Over time, your best-performing investments will grow to dominate your portfolio, concentrating your risk. The discipline of periodically selling some winners and buying more of the laggards (rebalancing) is counterintuitive but crucial. Many managed funds do this automatically, while DIY ETF investors need to build this discipline themselves.

Mistaking multiple accounts for diversification: Having three different managed funds that all invest primarily in NZ and Australian shares isn't truly diversified, you're just paying fees to three providers for similar exposure. Look at your total portfolio across all accounts and assess your actual asset class exposure.

Over-diversification: Yes, it's possible. Holding 15 different investments when 5 or 6 would provide the same diversification benefits adds complexity, increases costs, and makes monitoring your portfolio unnecessarily difficult. There's a point where additional diversification provides minimal risk reduction.

Ignoring tax structures: Keeping all your non-KiwiSaver investments in non-PIE structures when you'd benefit from PIE treatment costs you money every year. Similarly, failing to consider which investments to draw from first in retirement can result in unnecessary tax payments.

Setting and forgetting: Your diversification needs change as you age and as your life circumstances evolve. A portfolio that was appropriate at 45 when you had 20+ years until retirement may be too aggressive at 63 when you're two years away. Regular reviews (annually is typically sufficient) help ensure your portfolio still matches your situation.

Letting fees accumulate unchecked: Platform fees, management fees, trading costs, and advice fees can stack up quickly. An investor might pay 0.8% for a managed fund, 0.3% for a platform, and another 0.5% for ongoing advice, totaling 1.6% annually. On a $300,000 portfolio, that's $4,800 per year. Make sure you understand what you're paying for and whether the value justifies the cost.

If you're currently relying solely on KiwiSaver for retirement savings, expanding your portfolio can feel overwhelming. The key is starting with clarity about your goals and constraints.

Questions to consider before making your first investment outside KiwiSaver:

• How much can you comfortably invest without touching your emergency fund (typically 3-6 months of expenses)?
• When do you anticipate needing to access these funds? This influences appropriate investment types.
• What's your current and expected future tax bracket? This affects whether PIE structures offer advantages.
• How comfortable are you managing investments yourself versus using a managed fund or adviser?
• Do you have property investments or other assets that already provide some diversification?

For many Kiwis starting their diversification journey, a practical first step might involve opening a PIE managed fund account with an initial investment of $5,000-$10,000, choosing a fund that complements rather than duplicates their existing KiwiSaver holdings. Others might prefer the simplicity and guarantee of a 12-month term deposit for money they know they won't need immediately.

What matters most is taking that first step toward building a more resilient retirement portfolio. The perfect portfolio that exists only in your head doesn't help you. A good-enough portfolio that actually exists and grows over time will serve you far better.

Important Disclaimer: This article is general information only and does not constitute personalised financial advice. For advice tailored to your situation, speak with a licensed Financial Advice Provider. You can find a registered adviser at fma.govt.nz.