Investing in your 20s How to build a diversified portfolio

Investing in your 20s: How to build a diversified portfolio

Personal Finance
Saxo Be Invested

Saxo Group

In your 20s, money feels temporary. It lands in your account, and then disappears into rent, travel, or nights out. The idea of investing sounds distant, something for people with established careers. Yet this is the decade when time quietly becomes your most valuable financial asset.

You don’t need a perfect plan to start. Small, regular contributions, a simple diversified setup, and a bit of curiosity about how markets work can go a long way. Automation helps you stay consistent when life gets busy, and learning by doing builds confidence without taking on more risk than you can handle.

In this guide you’ll learn why investing in your 20s means structuring your finances to outlast trends, market fluctuations, and even your own uncertainty about the future.

Why investing in your 20s gives you the strongest start

The advantage of starting early comes from compounding, the steady growth that happens when returns generate their own future returns. In your 20s, time is still on your side, meaning every contribution has decades to grow.

A small monthly amount can outperform a much larger one started later. Someone investing EUR 200 a month from age 25 with a 6% annual return could end up with roughly EUR 390,000 by age 65. Waiting ten years to begin would require more than twice the monthly amount to achieve a similar result.

The long horizon also allows for greater exposure to equities, which have historically delivered more substantial long-term returns than bonds or cash. Market dips matter less when you have decades ahead, and those years help build the resilience needed to stay invested when prices swing.

In your 20s, participation matters more than perfection. Each regular contribution extends the reach of compounding and builds a foundation that future income alone can’t provide.

How to start investing in your 20s the right way

Starting to invest doesn’t necessarily require a large balance or advanced market knowledge. What matters is building the right sequence: a financial base that supports your growth without forcing you to sell investments when life gets unpredictable. Here is how you can start investing:

Pay off high-interest debt first

Credit cards or consumer loans charging double-digit rates work against you faster than any portfolio can grow. Clearing them is a guaranteed return.

Build an emergency fund

Aim for three to six months of living expenses in an accessible account. This fund covers rent, bills, or emergencies, keeping your investments untouched when unexpected expenses arise.

Define your goals and time horizon

Short-term goals, such as travel or further education, should be held in low-risk savings accounts, whereas long-term objectives, like retirement or buying a home, can be invested in the market. Matching the risk to the timeline is crucial to staying consistent.

Automate your contributions

Schedule recurring transfers from your main account to your investment platform right after payday. Automation removes hesitation and builds discipline over time.

These steps could turn hesitation into structure. Once they are in place, every contribution starts compounding instead of being delayed by the search for perfect timing.

Best investment accounts for young adults

The type of account you choose can determine how efficiently your investments grow. Knowing which options to prioritise helps you build wealth more effectively. Here are some of the most common ones:

Workplace pension plans

In most European countries, employer pension schemes are the first and most accessible route into investing. Contributions are usually deducted automatically from your salary, and many employers match a portion of what you pay in. That match provides an immediate boost, while contributions often benefit from tax relief or deferred taxation until withdrawal.

Personal pension or tax-advantaged accounts

If your employer plan is limited or unavailable, a personal pension or individual savings account can fill the gap. Examples include Denmark’s ratepension, Sweden’s ISK, the UK’s ISA or SIPP, and similar systems elsewhere. These accounts often allow tax-deductible contributions or tax-free growth, depending on local rules. Contributing while your income and tax rate are relatively low can create a lasting advantage.

Standard investment account

Once your pension and tax-advantaged accounts are in use, a general investment account provides full flexibility. It’s suitable for medium-term goals like buying a home or funding further education. Gains may be taxable, but you can minimise costs through diversified, low-turnover investments such as ETFs.

Investment strategies for young adults

A good strategy in your 20s doesn’t rely on predicting the market. It focuses on building steady, long-term growth through simple, proven methods that fit your time horizon and tolerance for risk.

Here are some practical approaches you can follow:

Global diversification through equities

Investing across different regions and sectors helps reduce the impact of any single market. Global equity ETFs or index funds are ideal starting points, giving exposure to thousands of companies worldwide at low cost. For young investors with decades ahead, equities should form the core of the portfolio, as they offer higher long-term returns than bonds or cash.

Core and satellite investing

This strategy combines stability with flexibility. The ‘core’ (usually broad global equity or balanced funds) provides long-term growth and diversification. The smaller ‘satellite’ portion allows for targeted investments in themes, sectors, or regions that interest you, such as renewable energy or technology. This structure can help balance long-term stability with space for higher-risk ideas.

Regular contributions and cost averaging

Investing a fixed amount at regular intervals, regardless of market conditions, smooths out entry prices over time. This approach, known as cost averaging (or Dollar Cost Averaging), helps reduce the emotional temptation to time the market. For investors in their 20s, consistency becomes a long-term advantage.

Low-cost index investing

Keeping costs down is a strategy in itself. Index funds and ETFs track the performance of entire markets for a fraction of the fees charged by actively managed funds. Over decades, those savings compound, meaning more of your returns stay invested and working for you.

Periodic rebalancing

As markets move, your portfolio’s mix shifts. Rebalancing once or twice a year restores your original target weights, ensuring your exposure to risk stays aligned with your goals. It’s a simple discipline that prevents emotional decision-making and keeps your strategy on track.

Maintaining an equity-bond balance

Even though young investors can tolerate higher risk, adding a modest allocation to bonds or other defensive assets provides stability. It cushions the impact of market downturns and gives you a source of liquidity when opportunities arise.

Strong investment options to consider in your 20s

The right investments in your 20s combine growth potential with enough diversification to handle volatility. The goal is not to chase quick returns but to build a portfolio that can grow through different market cycles.

Here are the main options worth considering:

Global equity ETFs and index funds

These funds track broad market indexes such as the MSCI World or STOXX Europe 600, offering instant diversification across countries and sectors. For most young investors, they form the basis of a long-term portfolio: low cost, transparent, and historically reliable for steady growth.

Balanced or multi-asset funds

Balanced funds include a mix of equities and bonds within one product. They’re suitable for investors who prefer an all-in-one solution and want automatic rebalancing. They could deliver smoother returns than pure equity funds while still benefiting from long-term market growth.

Thematic and sector ETFs

A small portion of your portfolio can target specific trends or industries such as clean energy, artificial intelligence, or healthcare innovation. These investments carry higher risk and should complement — not replace — your diversified core holdings.

Government and corporate bond funds

Adding fixed-income exposure can help you stabilise your performance during market downturns. While bonds typically offer lower returns, they provide predictability and balance when equity markets become volatile.

Sustainable investment options

Many young investors want portfolios aligned with their values. ESG or sustainable ETFs allow exposure to companies with strong environmental and governance standards. These can be part of the core allocation or a smaller satellite position, depending on your priorities.

How to invest your money in your 20s with a small budget

Limited savings shouldn’t hold you back from investing. What matters most is developing consistent habits early, even with modest amounts. Small, regular contributions compound over time and create lasting results.

Here’s how to get started:

Use platforms that support fractional investing

Buy portions of shares or ETFs instead of full units. This allows you to diversify your portfolio from the start, even with small deposits.

Automate your monthly contributions

Set up regular transfers from your main account to your investment platform. Treat these payments like any other recurring expense: steady and non-negotiable.

Increase contributions as your income grows

When you get a raise, bonus, or side income, direct part of it to your investments. Gradual increases help your portfolio expand without disrupting your budget.

Reinvest dividends automatically

Choose funds that reinvest distributions instead of paying them out in cash. This adds new units over time and strengthens compounding without extra effort.

Building wealth in your 20s isn’t determined by your starting balance but by your consistency. Each small contribution builds momentum that can last for decades.

Common mistakes when investing in your 20s

Starting early offers a considerable advantage, but it also leaves room for avoidable errors. Most setbacks in your 20s come from behaviour, not market performance.

Here are the mistakes you should try to avoid:

Chasing hype

Following social media trends or ‘hot tips’ often leads to short-lived gains and lasting losses. Investments built on speculation rarely align with your goals or risk profile.

Ignoring diversification

Putting all your money into one stock, fund, or sector increases exposure to individual risk. Diversification across regions, industries, and asset types makes performance steadier and less dependent on single outcomes.

Overtrading

Constantly buying and selling in response to short-term noise racks up costs. Compounding works best when it’s uninterrupted. A portfolio that’s left to grow quietly usually outperforms one that’s frequently adjusted.

Neglecting fees and taxes

High fund charges or frequent trading can erode returns over time. By using low-cost index funds, ETFs, and tax-efficient accounts, you can keep more of your gains invested.

Mixing savings and investments

Money set aside for short-term expenses shouldn’t be exposed to market risk. Keeping emergency funds separate ensures that you don’t have to sell investments at the wrong time.

Losing discipline during volatility

Market drops are inevitable. The most significant losses often come from selling in panic and missing the recovery. Having a plan and sticking to it matters more than predicting market turns.

Conclusion: Building habits that outlast trends

In your 20s, time has a greater impact than any investment contribution later in your life. Each decision, from setting a goal to making the first deposit, extends the reach of compounding and builds financial stability that can strengthen from one year to another.

This is the decade of your life that allows more flexibility, higher risk tolerance, and the longest growth horizon you will ever have. So, putting structure in place now through regular investing, cost control, and clear priorities can create results that accumulate quietly and shape your financial future.

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