Compare taxes and see how much you save moving from France to Belgium
France and Belgium are two of Western Europe's highest-tax countries — both above 50% effective combined rates for high earners. Belgium is modestly higher at the top: 50% federal + ~7% commune surcharge brings the effective combined rate to ~53.5% for Brussels residents; France's 45% income tax + CSG/CRDS of ~9.7% brings the combined rate to ~54.7% on employment income. The key differentiator is not the headline rate but the savings vehicles: France's assurance-vie (life insurance wrapper) with its preferential 7.5% tax on withdrawals after 8 years is one of Europe's most attractive savings structures. Belgium has no equivalent vehicle, making France marginally more attractive for long-term investors despite a slightly higher headline rate. The Belgium-France cross-border worker corridor (80,000+ commuters) creates complex dual-residency tax situations governed by the 1964 DTA.
Top Income Rate
Plus CSG/CRDS ~9.7% on employment income
Top Rate
Plus commune surcharge ~7% on tax
At €100,000 income:
That is €250/month back in your pocket!
| Income | FR Tax | BE Tax | Savings | 10-Year |
|---|---|---|---|---|
| €50,000 | €14,000 | €16,000 | €2,000 | €20,000 |
| €75,000 | €24,000 | €28,000 | €4,000 | €40,000 |
| €100,000 | €40,000 | €43,000 | €3,000 | €30,000 |
| €200,000 | €97,000 | €100,000 | €3,000 | €30,000 |
CountryTaxCalc.com is reader-supported. When you use our partner links, we may earn a commission at no cost to you. This helps us provide free tax calculators and comparison tools. Learn more about our affiliate partnerships
★ 4.3 Trustpilot · 287,413 reviews
Both countries use EUR, but Wise is still the best option for international bank transfers and holding multiple currency accounts when relocating within Europe.
⚠ For currency exchange only — not a bank account replacement.
Transfer Money Between France & Belgium →★ 4.8 Trustpilot · 1,625 reviews
Cross-border commuters, expats, and dual residents: Greenback handles French and Belgian dual-residency returns, frontier worker DTA applications, and assurance-vie reporting.
⚠ Not the cheapest option — best for complex situations and expats who want a dedicated CPA.
Cross-Border France-Belgium Tax Help →It depends on income composition. For employment income: France's 45% + CSG/CRDS 9.7% = ~54.7% combined makes France modestly higher than Belgium's 50% + 7% commune (~53.5%). For investment income: France has the Prélèvement Forfaitaire Unique (PFU) flat tax of 30% on dividends and interest — competitive vs Belgium's 30% withholding on dividends (précompte mobilier). For long-term savings: France's assurance-vie with 7.5% after 8 years is better than anything Belgium offers. For real estate wealth: France's IFI bites on portfolios above €1.3M; Belgium has no equivalent real estate wealth tax. For social benefits: both countries have comprehensive healthcare; France's system is generally considered more generous but both are high quality.
The Belgium-France Double Tax Agreement (1964, with subsequent protocols) contains a specific frontier worker article. Workers living in Belgium who work in France within the 'zone frontalière' (border zone — defined as communes within 20km of the border) are taxed only in France on their employment income, not in Belgium. Approximately 80,000+ Belgians commute to France for work — many in the Lille/Nord-Pas-de-Calais region. For these workers: (1) French income tax and CSG/CRDS apply to all employment income. (2) Belgian commune taxes do not apply to the French employment income. (3) Belgian income (if any) is reported in Belgium. The reverse also applies: French residents working in Belgium near the border are taxed only in Belgium. Important: the frontier worker regime does not apply to workers who telework primarily from their home country — post-COVID working patterns have complicated this significantly. Belgian authorities have clarified that >25% telework days may disqualify frontier worker status.
France wins for long-term investors through the assurance-vie regime. An assurance-vie contract is a life insurance wrapper: contributions are after-tax. After holding for 8 years, withdrawals are subject to only 7.5% flat tax (on the gain element) up to €4,600 single / €9,200 couple annual gain allowance, then 7.5% above that. This compares to France's standard PFU of 30% on investment income outside assurance-vie. Belgium has no equivalent: Belgian investment income (dividends) faces 30% précompte mobilier withholding; capital gains on shares are generally exempt (except for 'speculative' gains — subject to ordinary income tax rates). Net result: for a French resident with €500,000 in an assurance-vie generating 5% annually: after 8 years, withdrawals taxed at 7.5% rather than 30%. For a Belgian investor: 30% withholding on dividends, 0% CGT. For accumulating investors preferring CGT over income: Belgium's CGT exemption is attractive. For income-taking investors: France's assurance-vie is superior.
Belgium has a more developed expat tax regime. The Belgian Special Tax Status for Executives (previously the BExp regime; reformed in 2022 into the 'expat special tax regime' — inpatriate regime under Articles 32 and following of CIR92): qualifying employees seconded to or recruited from abroad can deduct up to 30% of gross salary (or actual expenses — housing, cost of living, schooling) tax-free, provided total remuneration exceeds €75,000/year. This is time-limited: maximum 5 years (extendable to 8 under certain conditions). France's impatriate regime (Article 155 B of the CGI): employees recruited from abroad can exempt 30% of their salary and foreign-source income for 8 years. Both countries have expat regimes, but Belgium's is generally considered simpler to qualify for and administer. For single high-earners relocating to Europe from outside the EU: both are viable; Belgium wins on simplicity, France wins on duration and the assurance-vie advantage.