German Tax ID (Steuer-ID) for Students: What It Is and How to Get It

The steuer id germany students receive is an eleven-digit number that decides how much of your salary you actually keep. It arrives quietly in the post a few weeks after you register your address, it looks like nothing important, and every year hundreds of Nigerian students in Germany throw the letter away or lose it in a pile of paperwork. Then they start their first job, they cannot give the number to their employer, and the payroll system taxes them at the harshest rate Germany has. On a normal student salary that mistake can cost more than a thousand euros over a single year.

This guide explains exactly what the number is, how it reaches you, what to do when it does not arrive, where to find it again when you lose it, and how it connects to the tax you pay as a working student in 2026. It is written for Nigerians who have just landed or are about to land, so it assumes nothing and skips nothing. If you are still earlier in the journey, start with our full guide on how to move to Europe from Nigeria, then come back here once your flight is booked.

What Is the Steuer ID Germany Students Receive?

The Steueridentifikationsnummer, usually shortened to Steuer-ID or IdNr, is a permanent eleven-digit tax identification number issued by the Bundeszentralamt für Steuern, the Federal Central Tax Office. It is written in the format 12 345 678 901.

Four things matter about it.

It is permanent. You get one Steuer-ID in your lifetime. It does not change when you move city, change university, change employer, get married, or switch from a student residence permit to a work permit. It does not expire when you leave Germany. If you leave and come back five years later, it is the same number.

It is personal. Every individual gets their own. Your spouse has a different one. Your child gets one at birth. It is not a household number.

It is automatic. You do not apply for it in the normal sense. Registering your address triggers it. More on that below.

It is the key to the tax system. Your employer, your bank, your health insurer, your university and the tax office all use it to identify you. Without it, the payroll system cannot look you up, and when the payroll system cannot look you up it assumes the worst.

Steuer-ID, Steuernummer, Sozialversicherungsnummer: Know the Difference

Germany hands out several numbers that all sound the same in English. Confusing them is the second most common mistake after losing the letter. Here is the clean version.

The short rule to remember: eleven digits and nothing else is the Steuer-ID. If a form asks for your tax ID and the number you are about to write has ten digits and slashes in it, you are writing the wrong one.

How the Number Reaches You: The Anmeldung Chain

You do not fill in a form to request the Steuer-ID. The chain works like this.

1. You arrive in Germany and sign a rental contract or get a landlord confirmation, the Wohnungsgeberbestätigung.
2. You book an appointment at the local registration office, the Bürgeramt or Einwohnermeldeamt, and complete your Anmeldung, the city registration. This is legally required within two weeks of moving in, though many cities are more relaxed in practice than the law is on paper.
3. The registration office automatically transmits your details to the Federal Central Tax Office. You do not request this and you cannot speed it up.
4. The BZSt generates your Steuer-ID and posts it to the address you just registered.

Here is the realistic timeline based on how the office actually operates in 2026.

The single biggest practical failure is the postbox. German post is delivered to a name, not a flat number. If your name is not written on the postbox or the doorbell, the postman returns the letter and the BZSt marks it undeliverable. In shared flats and student halls this happens constantly to international students. On the day you complete your Anmeldung, write your surname on a strip of paper and tape it inside the postbox label slot. It takes two minutes and it is the difference between getting your number in three weeks and chasing it for three months.

What to Do If Your Steuer-ID Does Not Arrive

If more than three months have passed since your first registration in Germany and no letter has come, you can ask for it directly. The process is free and you never need to pay anyone to do it for you.

1. Go to the official input form on the Federal Central Tax Office website at bzst.de. Look for the service called Mitteilung der steuerlichen Identifikationsnummer.
2. Fill in your full name exactly as it appears on your passport and your registration confirmation, your date and place of birth, and your current registered German address.
3. Submit it. There is no fee and no login required.
4. Wait. The BZSt replies by post only, never by email, and the reply typically takes around four weeks. This is a legal data protection requirement, not an inconvenience they chose.

You can also walk into your local Finanzamt with your passport and residence registration certificate and ask them to look it up. In many offices they will simply read it out or print it. This is often faster than the online form, and it costs you nothing but a morning. Bring your passport, your Meldebescheinigung from the Anmeldung, and be polite in whatever German you have.

Warning about scams. There are websites that offer to obtain your Steuer-ID for a fee of twenty or thirty euros. They are simply filling in the free BZSt form on your behalf. Never pay for this, and never give your passport data to a site that is not on a bzst.de or a government domain.

Where to Find Your Steuer-ID If You Lost the Letter

Before you request a new notification, check whether the number is already sitting in a document you own. It appears in more places than most students realise.

• The original BZSt letter titled Zuteilung der Identifikationsnummer.
• Your Lohnsteuerbescheinigung, the annual wage tax statement your employer gives you at the end of each year or when you leave a job. The number is printed near the top.
• Any payslip from a German employer. Look for IdNr, Steuer-ID or Identifikationsnummer in the header block.
• Your Einkommensteuerbescheid, the tax assessment you receive after filing a tax return.
• Letters from the Finanzamt, which almost always quote it in the reference block at the top right.
• The Informationsschreiben the BZSt sends when your data changes.

Once you find it, do two things immediately. Photograph it and save the picture in your cloud storage in a folder you will still recognise in three years. Then write it into the notes app on your phone. You will be asked for this number more times than you expect, often at short notice, and the letter will not be within reach.

Why the Steuer-ID Matters So Much for Working Students

This is the part that costs real money, and it is the reason this article exists.

When you start a job in Germany, your employer does not calculate your tax by hand. They enter your Steuer-ID and date of birth into the ELStAM system, the electronic wage tax deduction database, and it returns your tax class and allowances. The payroll software then deducts the right amount.

If you cannot supply a Steuer-ID, your employer legally has to apply Steuerklasse VI, tax class six. Class six is designed for people holding a second or third job simultaneously, so it grants no personal allowance whatsoever and deducts tax from the very first euro at the steepest rate in the system.

Look at what this means in practice. Assume you are a working student earning 950 euros gross per month, which is a completely ordinary student wage in 2026.

Read that last line again. Around fourteen hundred euros of your own money, held by the tax office, for the entire year, because of a missing eleven-digit number. That is more than a semester of rent in many German cities, and it is a large slice of the annual budget we break down in our guide to the cost of studying in Germany from Nigeria.

The money is not gone forever. You get it back by filing a tax return, which is covered further down. But you get it back months later, at a point when you may already have finished your studies or left the country, and in the meantime you are living on less than you earned. For a student who arrived on a blocked account with a fixed monthly release, that gap is not an accounting detail. It is the difference between managing and struggling.

The Workaround If You Start Work Before the Number Arrives

You do not have to turn down a job while you wait. Do this instead.

1. Tell your employer honestly that your Steuer-ID has been requested and has not yet arrived. This is a familiar situation to any German HR department that has hired international staff before.
2. Ask them to run you on tax class VI temporarily, which they are required to do anyway, and to correct it retroactively once you supply the number.
3. Send the number to your HR or payroll contact the same day the letter lands. Do not wait until the next payday.
4. Confirm the correction appears on your next payslip. Most German payroll systems will refund the over-deducted tax through the following month’s pay automatically, within the same calendar year.

If your employer refuses to correct it retroactively, you are not stuck. You claim it all back through your annual tax return instead. But push for the payroll correction first, because it is faster and it puts the money in your hand while you still need it.

The 2026 Numbers Every Working Student Should Know

Your Steuer-ID only makes sense alongside the thresholds it interacts with. These are the confirmed figures for 2026.

A note on the 140-day rule, because it trips people up. A half day counts as up to four hours, and one full day equals two half days, so you can mix them. On-campus academic assistant roles, the HiWi jobs, do not count towards the limit at all. If you want the full picture on what work is realistic alongside a degree, read our guide to student jobs in Germany, and check the official overview of student employment rules at make-it-in-germany.com.

The Tax Return: How Students Get the Money Back

Most Nigerian students in Germany never file a tax return because they assume it is only for people who owe money. It is usually the opposite. If you worked and had wage tax deducted while earning under the allowance, filing is simply the mechanism for reclaiming it.

Voluntary returns can be filed up to four years back. In 2026 that means you can still file for 2022, 2023, 2024 and 2025. If you spent a year on tax class VI in 2023 and never claimed it, that money is still sitting there waiting for you.

There is a second, less obvious benefit called the Verlustvortrag, or loss carry-forward. If you are in a second degree such as a master’s after a bachelor’s, which describes most Nigerian students in Germany, your study costs count as work-related expenses. Semester fees, laptop, textbooks, travel to university, German courses and even relocation costs can be declared in years when you earned nothing. The tax office records the loss, carries it forward, and offsets it against your income in your first proper job. Students who do this routinely reduce their first-year professional tax bill by a meaningful amount.

You will need your Steuer-ID to file. Naturally.

One caution that matters specifically for Nigerian students. Money you earn in Germany does not replace the funds the embassy required you to show. Your blocked account and your proof of funds for the German student visa are assessed separately from your job income, and the immigration office can ask about both when you extend your residence permit. Earning well is good. It does not exempt you from the funding rules you agreed to at the visa stage.

Common Mistakes Nigerian Students Make

• Throwing away the letter. It is plain, it is in German, it looks like junk mail. Open every letter from a German authority, always.
• No name on the postbox. The single largest cause of a Steuer-ID never arriving.
• Confusing the Steuer-ID with the Steuernummer. Eleven digits, no slashes. Anything else is a different number.
• Starting a job and staying silent about the missing number. Tell HR on day one so they know a correction is coming.
• Waiting for an email from the BZSt. They reply by post only. Checking your inbox for six weeks achieves nothing.
• Paying an agent to get it. The official process is free.
• Never filing a tax return. The most expensive mistake of all, and the easiest to fix.
• Not updating your address after moving. Do a new Anmeldung at your new city within two weeks. Your Steuer-ID stays the same, but letters follow the registered address.
• Exceeding the 140-day limit without noticing. This is a residence permit problem, not just a tax problem, and it is far more serious than an over-deduction.

Pro Tips

Do your Anmeldung early, even if the appointment is inconvenient. Everything downstream depends on it. Your Steuer-ID, your German bank account, your residence permit appointment and your health insurance all trace back to that one registration.

Book the Anmeldung appointment before you land. In Berlin, Munich, Frankfurt and Hamburg the waiting list can run for weeks. Many cities release slots at odd hours, so check early in the morning.

Save the number in three places. Phone notes, cloud storage and a photo of the original letter. Assume you will lose the paper.

Keep every payslip. They carry your Steuer-ID and they are what you need to file a tax return later.

Ask your university for help. The international office has walked hundreds of students through exactly this. It is free and it is their job.

Chase funding as hard as you chase work hours. A scholarship is untaxed and costs you no working days against your 140-day limit. Check which awards are currently open in our list of Germany scholarships open in 2026 before you take on extra shifts.

If you are on a minijob, check whether you opted out of pension contributions. Many students sign the Befreiungsantrag without understanding it. Opting out gives you a few more euros now and slightly less pension record later.

A Real Example: How Chidi Lost 1,300 Euros and Got It Back

Chidi arrived in Cologne in October to start a master’s in mechanical engineering. He did his Anmeldung in the first week, which he did well. What he did not do was put his name on the postbox in his shared flat, because the landlord said he would handle it and never did.

In November he found a working student role at a logistics company paying 1,000 euros a month for 18 hours a week. HR asked for his Steuer-ID. He did not have it. They put him on tax class VI, and roughly 130 euros a month started disappearing from his payslip.

Chidi assumed this was simply what tax looked like in Germany. He mentioned it to a Nigerian classmate in June, seven months later. The classmate told him to go to the Finanzamt.

He went the following Tuesday with his passport and his registration certificate. The clerk looked him up and printed his Steuer-ID in under ten minutes. It had been generated back in October and returned as undeliverable. He emailed it to HR that afternoon. Because the over-deduction had happened within the same calendar year, payroll corrected it in his July pay and refunded roughly 900 euros in one go. The remaining amount from the previous calendar year he reclaimed by filing a tax return, which took him an evening using a German tax app.

Total recovered: a little over 1,300 euros. Total cost of the fix: one morning and a tram ticket. Total cost of not knowing for seven months: living on 130 euros a month less during his hardest semester.

Your Steuer-ID Checklist

• Sign your rental contract and collect the Wohnungsgeberbestätigung from your landlord.
• Book your Anmeldung appointment, ideally before arriving in Germany.
• Complete the Anmeldung and keep the Meldebescheinigung safe.
• Write your surname on the postbox and the doorbell the same day.
• Watch the post for two to six weeks for a letter from the Bundeszentralamt für Steuern.
• Open it, photograph it, and save the number to your phone and cloud storage.
• Give the number to your employer, your bank and your health insurer when asked.
• If nothing arrives after three months, use the free BZSt online form or visit your local Finanzamt in person.
• Keep every payslip and every Lohnsteuerbescheinigung.
• File a tax return each year, even if you earned very little. Especially if you earned very little.
• Re-register within two weeks whenever you move to a new address.

Frequently Asked Questions

What is the Steuer-ID and do all students in Germany need one?

The Steuer-ID is a permanent eleven-digit tax identification number issued by the Federal Central Tax Office. Every person registered as resident in Germany gets one, including students who never work. You need it the moment you take any paid job, open certain bank accounts, or file a tax return.

How long does it take to get a Steuer-ID after Anmeldung?

Usually two to four weeks by post. It can stretch to six weeks in busy periods and up to eight weeks for a first-ever registration in Germany. If three months pass with nothing, request it directly from the BZSt.

Can I apply for a Steuer-ID before I arrive in Germany?

No. It is triggered by registering a German address, so you must be in the country and have completed your Anmeldung first. There is no way to obtain one from Nigeria in advance.

Is the Steuer-ID the same as the Steuernummer?

No. The Steuer-ID has eleven digits, belongs to you for life and never changes. The Steuernummer is issued by your local tax office, identifies a tax file rather than a person, and changes when you move or change circumstances. Employers want the Steuer-ID.

What happens if I start a job without my Steuer-ID?

Your employer must place you in tax class VI, which applies no personal allowance and deducts tax from the first euro. On a typical student wage that costs well over a hundred euros a month. Supply the number as soon as it arrives and ask payroll to correct it retroactively.

Will I get back the tax deducted under tax class VI?

Yes. If the correction happens within the same calendar year, your employer can usually refund it through your next payslip. Otherwise you reclaim it by filing a tax return, which you can do up to four years afterwards.

Does my Steuer-ID change if I move to another German city?

No. It stays the same for life. You must still complete a new Anmeldung at your new address within two weeks so that official post reaches you.

Does my Steuer-ID expire when my student visa ends?

No. It is tied to you, not to your residence permit. If you return to Germany years later for work, you use the same number.

How much can a student earn in Germany in 2026 without paying income tax?

The basic tax-free allowance is 12,348 euros per year. With the 1,230 euro employee lump sum added, most students can earn a little over 13,600 euros in a year before any income tax is due. Social contributions follow separate rules.

What is the minijob limit in Germany in 2026?

603 euros per month, which is 7,236 euros a year. It is calculated from the 13.90 euro minimum wage across a ten-hour week and rises automatically whenever the minimum wage rises.

How many days can international students work in Germany in 2026?

140 full days or 280 half days per calendar year under a section 16b student residence permit. A half day is up to four hours and one full day equals two half days. On-campus assistant roles are exempt from the count.

Can I find my Steuer-ID online?

Not through a login or instant lookup. You can submit a free request form on the BZSt website, but the reply always comes by post for data protection reasons. The fastest route is usually visiting your local Finanzamt in person with your passport and registration certificate.

Do I need a Steuer-ID for a minijob?

Yes. Even though a minijob under 603 euros a month is generally taxed at a flat rate paid by the employer, payroll still registers you in the ELStAM system, and that requires your Steuer-ID.

Should I file a German tax return as a student who barely earned anything?

Yes, in almost every case. If tax was deducted you get it back. If you are in a second degree you can record your study costs as a loss carried forward and reduce the tax on your first professional salary years later. Voluntary returns are accepted up to four years back.

Final Thoughts

The steuer id germany students receive is the smallest piece of paper in your entire relocation, and it quietly controls how much of your salary you actually keep. Register your address quickly, put your name on the postbox, open every official letter, save the number in three places, and hand it to your employer on day one. Do those five things and this becomes a non-issue. Skip them and you spend a year funding the German treasury an interest-free loan you never agreed to.

Get this right early, and the rest of your financial setup in Germany, from your bank account to your first tax refund, falls into place with far less friction. If you are still at the application stage and none of this has happened yet, work backwards through the German student visa requirements for Nigerians first, then return to this guide the week you land. And budget realistically using our breakdown of the cost of living in Germany for students.

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