The information here is for general informational purposes only and does not constitute legal, financial, or tax advice. Always consult a qualified professional for your specific situation.
Keerthi Murugesan writes Sweden Unpacked, covering the personnummer, BankID, and tax-registration process for people moving to Sweden.
You have a start date, and no clear sense of whether Skatteverket has enough on file to pay you correctly. That gap catches a large share of new arrivals. Two separate registration tracks lead to a valid Swedish tax card, and they use different documents, different appointments, and different processing queues. Confuse one for the other, and the cost is not embarrassment over paperwork: it is weeks of delay, or a paycheck deducted at a higher emergency rate because your employer has no decision on file yet.
This guide sets out which route applies to your situation, what each one requires, and what your employer withholds if neither route has produced a decision by the time you are paid. You will need personnummer, ID and BankID sorted before either track finishes, so keep that guide open alongside this one.
Which route applies to you
If you plan to stay in Sweden for one year or more, you need the personnummer route: report your move to Skatteverket and go through folkbokföring. If you plan to stay under a year, or you start working before your folkbokföring case clears, you need the coordination-number route instead: a samordningsnummer, followed by SINK or an ordinary preliminary-tax registration.
Personnummer route
Coordination-number route
Who it is for
Staying in Sweden 1 year or more
Staying under 1 year, or working before folkbokföring clears
What you apply for
Population registration (folkbokföring)
Samordningsnummer, then SINK or a preliminary-tax notification
Identity check
In-person, at the folkbokföring appointment
In-person, before the coordination number can issue
Tax registration
Ordinary A-tax card, once folkbokförd
SINK (flat rate, under 6 months) or preliminary-tax notification (6 months or more)
Typical processing time
About 4 weeks to administrator assignment
5 weeks (employer-initiated) to 13 weeks (individual application)
ID document issued
Personnummer, automatically on approval
Samordningsnummer; converts to personnummer later if you become folkbokförd
The one-year mark is the actual branch point, not the ID document you eventually end up holding. Two people can both walk out of a Skatteverket appointment with a personnummer in the end. The one who reported a stay of a year or more used the folkbokföring track from the start. The one who began on a samordningsnummer converts onto a personnummer later, automatically, without filing a second application. The conversion mechanics are covered below, in the section on when the coordination number converts.
If you genuinely do not know yet how long you will stay, use the coordination-number route to get paid correctly now, then switch onto the folkbokföring track once your stay firms up past a year. SINK only applies while you are working under six months in Sweden (Skatteverket, "SINK – special income tax for foreign residents", checked 1 September 2026). Past that threshold, while you are still not folkbokförd, you move onto the "Notification of preliminary income tax" registration instead. If you are still weighing which visa or job route to pursue and do not have a start date yet, see finding work before you have a Swedish job offer first.
The personnummer route, step by step
Report your move to Skatteverket, attend the folkbokföring appointment, and the personnummer issues automatically once your case is approved. There is no separate personnummer application to file.
Folkbokföring is the actual gate here, and the personnummer is what comes out the other side, not a parallel process running alongside it. You register your move using Skatteverket's population-registration form, book an in-person appointment where an official checks your identity documents and residence basis, and once that case is approved, the personnummer is generated and mailed to you along with your registration confirmation. Nothing about the personnummer itself needs a second form.
Timing is the detail worth planning around. Population-registration cases filed under "moving to Sweden" currently take about 4 weeks to reach an administrator (Skatteverket, "Processing times for population registration", checked 1 September 2026). That is the wait before your case is even assigned, not a guaranteed decision date, so file as early as your residence documentation allows rather than waiting until closer to your start date.
The coordination-number route, step by step
Book the in-person identity check first. Applying for SINK or ordinary preliminary tax before your coordination number exists just bounces the case back for identity verification, which costs you the delay twice.
Start with the samordningsnummer application through Skatteverket's e-service, paired with a service-centre appointment where an official verifies your identity documents in person. Once the coordination number is issued, register separately for tax: SINK if you are working in Sweden under six months, or the "Notification of preliminary income tax" e-service if you are working six months or longer and still not folkbokförd (Skatteverket, "Notification of preliminary income tax", checked 1 September 2026).
SINK is a flat rate on gross income, with no deductions applied against it: 25 percent through 31 December 2025, dropping to 22.5 percent from 1 January 2026, with a further cut to 20 percent planned for 1 January 2027 under a Riksdag decision cited on the same page (Skatteverket, "SINK – special income tax for foreign residents", checked 1 September 2026).
Processing time is where the two branches diverge sharply, and it depends on which of the four applications you are filing:
Source: Skatteverket, Processing times for population registration, checked 1 Sep 2026. Preliminary-tax-notification figures from Skatteverket's "Notification of preliminary income tax" page, same retrieval date.
An individual coordination-number application currently runs about 13 weeks. A preliminary-tax notification, for those working six months or longer and not yet folkbokförd, typically clears in about 6 weeks, though Skatteverket states the wait can run up to 16 weeks if the case needs more investigation. Both figures come from the same processing-times reporting Skatteverket updates for population registration and preliminary-tax notifications.
What your employer deducts if the tax card is not ready
No A-tax card, SINK decision, or preliminary-tax notification on file by payday means your employer must withhold at a higher preliminary rate. This is not a penalty against you; it is the employer's legal default in the absence of a decision, and it applies the same way regardless of which route you are on.
Skatteverket's SINK guidance states the mechanism directly: an employer or other payer can only deduct SINK tax once a formal SINK decision notice has reached them; without it, the payer must deduct preliminary tax from your compensation instead, at the standard, higher rate (Skatteverket, "SINK – special income tax for foreign residents", checked 1 September 2026). Öresunddirekt's employer-facing guidance corroborates the same rule from the worker's side: make sure your employer has received the SINK decision or A-tax card before your salary is paid, or a higher preliminary tax gets deducted instead (Öresunddirekt, "Tax when working in Sweden", checked 1 September 2026).
What happens once the decision does arrive is a genuinely open question. Skatteverket's published guidance does not state whether the corrected, lower rate applies retroactively to a paycheck already deducted at the higher rate, or only forward from the decision date. If you are overwithheld on an early paycheck, the standard mechanism for reconciling preliminary tax against your actual liability is the annual tax return the following spring, not an automatic retroactive correction from your employer. Confirm the specific handling directly with your employer's payroll department or Skatteverket if an early paycheck is affected; do not assume either direction without checking.
Faster paths worth knowing
Two levers shorten the wait on the coordination-number route. Book the identity check and the coordination-number application in the same appointment rather than as two separate visits, and have your employer initiate the coordination-number request on your behalf where that option is available to them.
The appointment-bundling lever is straightforward: Skatteverket requires the in-person identity check before it can issue a coordination number at all, so scheduling that verification together with the application submission, rather than as a follow-up step, removes a full round trip from your timeline.
The employer-request lever is the more consequential one, and it is the detail most guides on this topic skip. A government-agency-initiated coordination-number request currently runs about 5 weeks, against 13 weeks for an application you file yourself. That gap exists because an employer request comes with its own faster processing track through Skatteverket, the same processing-times reporting cited above. Ask your employer's HR or payroll contact, before you start the individual application, whether they can submit the request directly. Not every employer offers this, but it costs nothing to ask, and the difference is roughly two months.
When the coordination number becomes a personnummer
No reapplication. A samordningsnummer converts automatically into a personnummer once its holder is later folkbokförd for a stay of a year or more (Skatteverket, "Coordination numbers", checked 1 September 2026).
The underlying tax registration continues without interruption; what changes is the number attached to it. Once the new personnummer is issued, tell your employer immediately so payroll updates the identifier on file, and check that your A-tax certificate reflects the new number before your next payday. The registration history itself, and anything Skatteverket has already decided about your tax status, carries over. You are not starting the process from zero.
Frequently Asked Questions
Can I get paid in Sweden without a personnummer?
Yes. On the coordination-number route, a samordningsnummer paired with a SINK decision or a preliminary-tax notification is what enables correct withholding. The tax registration is what your employer needs on file, not the personnummer specifically.
Is a coordination number the same as a personnummer?
No. A samordningsnummer identifies someone who is not registered in Sweden's Population Register. It converts automatically into a personnummer once you are later folkbokförd, with no separate application to file (Skatteverket, "Coordination numbers").
What happens if my employer does not have my tax card by payday?
A higher preliminary rate gets withheld until the SINK decision or A-tax card is on file, per Skatteverket's own SINK guidance. Whether an overpayment on an early paycheck corrects retroactively once the decision arrives is not stated in Skatteverket's published guidance; confirm directly with your employer's payroll department if this affects you.
How long does a Swedish tax card take?
The answer branches by application, not one fixed number. Folkbokföring and the personnummer route currently run about 4 weeks. A coordination number takes about 5 weeks if your employer initiates the request, or about 13 weeks if you apply individually. A preliminary-tax notification typically clears in about 6 weeks, up to 16 weeks if Skatteverket needs to investigate the case further.
Conclusion
Staying a year or more puts you on the personnummer route: report the move, attend the folkbokföring appointment, and the personnummer follows automatically. Staying under a year, or waiting on folkbokföring while you already need to work, puts you on the coordination-number route: the in-person identity check first, then SINK or a preliminary-tax notification depending on how long you are working. Either way, your employer needs a decision on file by payday, or a higher preliminary rate gets withheld until one arrives.
The one lever worth acting on early: ask whether your employer can initiate the coordination-number request instead of filing individually. It cuts the wait roughly in half. For the tax pillar overview and what comes after your first return, see the tax pillar hub. For what changes once you are working and registered, see work rights and a-kassa.
