Living abroad brings incredible opportunities, both personally and professionally, but for many expats, it also introduces a new level of financial complexity. Without proper future financial planning, it’s easy to make costly missteps that could impact your future security.
As a globally experienced financial adviser specialising in wealth management for expat clients, I’ve worked with individuals around the world to help them take control of their money and through that experience, I have gathered these 7 most common mistakes expats make in personal financial planning, and how you can avoid them.
1. Neglecting to Create a Comprehensive Financial Plan
One of the biggest pitfalls expats face is failing to develop a clear, all-encompassing financial plan. When moving abroad, people often focus on immediate logistics, housing, visas, work, and leave their finances to evolve in a more reactive, piece-by-piece way.
However, without a cohesive strategy, financial decisions can become fragmented. You might accumulate accounts across different countries, overlook savings goals, or miss out on investment opportunities. Worse, you could find yourself unprepared for emergencies or big life changes such as a job transition or starting a family.
A comprehensive financial plan should take into account your income and spending, savings targets, debt management, investment strategy, retirement planning, insurance needs, and estate planning, all tailored to your lifestyle and location.
2. Underestimating Currency Risk and Inflation
When your income is in one currency and your expenses are in another, currency risk becomes a very real concern. Exchange rates can fluctuate dramatically, sometimes with little warning, and that volatility can have a direct impact on your purchasing power and financial returns.
For instance, if you’re earning in British pounds but spending in Vietnamese dong, a sudden depreciation of the pound could make everyday life more expensive almost overnight. Likewise, if your savings are held in a currency that loses value against your base currency, your nest egg could be quietly eroded.
Inflation adds another layer of complexity. Even if your host country has a relatively stable economy, inflation rates vary significantly around the world. In 2023, UK inflation peaked above 10%, while Vietnam’s inflation remained closer to 3.5%, a considerable difference with long-term implications.
Personal financial planning should therefore include currency diversification and investment strategies that account for inflation. Holding all your assets in one currency or region can expose you to unnecessary risk. With the right advice, you can position your portfolio to weather currency movements and protect the real value of your wealth.
3. Ignoring Tax Implications Across Jurisdictions
Taxation is one of the most complex and misunderstood areas for expats. Many people assume that if they are physically living and working in one country, they only need to pay tax there. However, depending on your nationality and tax residency status, you may still be required to file tax returns or pay tax in your home country, even on foreign income.
Each country has its own rules about tax residency, and many expats unknowingly find themselves subject to double taxation, paying income tax both at home and abroad. Fortunately, more than 130 countries have double taxation agreements (DTAs) that can help mitigate this, but taking advantage of them requires careful planning and documentation.
There are also opportunities for tax efficiency that expats frequently miss, such as foreign earned income exclusions, tax deferrals, or offshore pensions. Ignoring these can cost thousands in avoidable liabilities.
A key component of financial planning for future success is working with a financial adviser who understands cross-border tax rules and can guide you through tax-efficient planning to structure your income, assets, and investments in a fully compliant yet optimised way.
4. Overlooking Retirement Planning
Many expats delay retirement planning because their international lifestyle feels temporary or uncertain. They may assume they’ll “figure it out later” or that their career trajectory will eventually stabilise. But the years can pass quickly, and the consequences of inaction can be severe.
In practice, the more time you spend abroad without contributing to a home country pension, the more gaps you may accumulate, reducing your entitlement and retirement income. Without a deliberate plan, it’s easy to lose track of old pensions, miss deadlines, or invest in accounts that are not portable across borders.
According to research by Aegon, only 17% of globally mobile professionals have a written retirement plan, despite high levels of income and financial awareness.
Planning financial future needs to include retirement, no matter how far off it may seem. This might involve contributing to international pensions such as SIPPs or QROPS, transferring existing pension pots to consolidated schemes, or setting up private investment accounts with retirement goals in mind.
5. Failing to Protect Against Unexpected Life Events
Living abroad is full of uncertainty, and yet, many expats have inadequate protection in place for life’s unexpected twists. Whether it’s a medical emergency, job loss, or family crisis back home, having the right insurance and financial buffers can make all the difference.
Many expats mistakenly assume that their employer-provided insurance will cover them in every situation. But these policies are often limited, they may not include emergency evacuation, mental health services, or dependents. Others believe local insurance is “good enough” without checking coverage limitations or exclusions.
Moreover, a sudden job loss could mean losing not only your income but also your visa, insurance, and housing, all at once.
Proper personal financial planning includes establishing emergency funds (ideally 3–6 months of expenses), evaluating health, life, and disability insurance, and ensuring all coverage is valid in your current country of residence. It’s not just about financial gain, it’s about peace of mind.
6. Holding Too Much Cash or Making Emotion-Based Investment Decisions
In times of uncertainty or unfamiliarity, it’s understandable that expats might lean towards keeping large cash reserves. However, too much cash, especially in a foreign currency, can mean missing out on long-term growth and even seeing your money lose value to inflation.
On the other hand, some expats react emotionally to market movements or news events, making impulsive investment decisions. Selling during downturns, chasing trends, or attempting to time the market are all common mistakes that can seriously affect your financial trajectory.
A more effective approach is to develop a long-term investment strategy based on your goals, time horizon, and risk tolerance. Diversification across geographies, asset classes, and currencies is key, particularly for globally mobile individuals.
As part of your planning financial future, avoid letting fear or excitement drive your choices. Work with an adviser who can provide objective guidance and keep you focused on your long-term vision.
7. Not Updating Wills and Estate Plans
Finally, estate planning is often neglected by expats, either because they assume their home country documents will suffice, or because they delay the process entirely. Unfortunately, different countries have vastly different laws regarding inheritance, probate, and the recognition of wills.
For example, a UK will may not be enforceable in Vietnam without legal translation and notarisation. Local laws may also override your wishes, particularly around property ownership or guardianship of children.
If your estate documents are out of date or invalid in your host country, your loved ones could face lengthy legal disputes, tax liabilities, or even lose access to your assets.
Wise financial planning for the future includes creating a succession plan which includes reviewing and updating your will, powers of attorney, and beneficiary nominations whenever your life or location changes. This ensures your wealth is transferred according to your wishes, and without unnecessary complications.
Avoiding Mistakes, Building Confidence
Expat life can be immensely rewarding, but it comes with a unique set of financial challenges. Avoiding these seven common mistakes is a vital step towards building a secure and fulfilling life abroad. Whether you're early in your journey or planning for retirement, the key to success lies in thoughtful, personalised advice.
If you’re unsure about your financial strategy or would like a second opinion, Benjamin Sharvel IFA is here to help. As a financial adviser with global expertise, I specialise in helping expats like you take control of your finances and invest with clarity and confidence. Get in touch today for a consultation!
Frequently Asked Questions
What is an example of wise financial planning for the future?
A wise approach includes creating an international investment portfolio tailored to your risk profile, ensuring you have the right insurance and estate plans in place, and working with a financial adviser who understands the nuances of expat life.
Why is personal financial planning important for expats?
Without a solid financial plan, expats risk making fragmented decisions that don’t align with their long-term goals. A tailored plan ensures your income, investments, and taxes are working together, not against you.
How often should I review my financial plan while living abroad?
At least once a year, or whenever a major life or location change occurs. This ensures your plan remains aligned with your goals and local regulations.