If your income in Germany exceeds the annual tax-free allowance (check the current amount on the tax office website for 2026), you are generally required to file a tax return. But even if you're not obligated, voluntarily filing almost always results in a refund for most students and researchers in Germany — your employer typically withholds more tax than you actually owe.
Who Must File vs. Who Can Choose
- Mandatory filing: Self-employed / freelancers, people with multiple employment contracts, and those with cross-border income
- Recommended but not mandatory: HiWi (student assistant) jobs, part-time student jobs — filing almost always yields a refund, typically €200–600
- Students with no income: You can record tuition, books, and part of your rent as a Verlustfeststellung (loss declaration) during your studies. This can be deducted later once you start working — a trick many people don't know
Tax Filing Tools Compared
- ELSTER (free, official): The tax office's own platform. Full functionality but entirely in German and complex interface. Best for those with good German and more complicated situations
- Taxfix (app, ~€35 per filing): Question-based interface, very user-friendly. Ideal for first-time filers with simple cases
- WISO Steuer (software, ~€30/year): Mid-range in complexity, supports multiple years of data
- SteuerGo (web, pay after successful filing): Free estimate of your refund for basic cases
For your first tax return, I recommend Taxfix. Pay the fee once to learn the process, then switch to ELSTER later if you want.
Common Deductible Expenses
- Werbungskosten (work-related expenses): Commuting to work (€0.30 per kilometer one-way, check current tax law), professional books, online courses, home office costs
- Sonderausgaben (special expenses): Part of your statutory health insurance premiums, donation receipts
- Moving costs: If you moved for work, you can deduct some moving expenses
Deadlines and Refund Timeline
The standard filing deadline for self-filers is July 31 of the following year (e.g., for tax year 2025, you must file by July 31, 2026 — check the tax office's current announcement). After submission, you'll receive your Steuerbescheid (tax assessment notice) by mail to your Anmeldung (registered address) within 4–8 weeks. Review it carefully, and once correct, your refund will be deposited.
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