The official answer is not enough
Anyone who asks the local municipality usually hears: one and a half to two years. That is true if everything goes smoothly and you submit complete documents. In practice, things often look different. Some municipalities are faster. Others need half a year longer. And in particular constellations, a procedure with a total duration of three years does happen occasionally.
The reason for this spread: naturalisation passes through three state levels (municipality, canton, Confederation) and each has its own review, its own queue and its own pace.
The three levels and their typical duration
The process is structured the same way everywhere, but the duration per level varies.
Municipal level: 3 to 12 months
You submit your application to your municipality of residence. The municipality checks the basic requirements, requests any missing documents, invites you to the naturalisation interview and decides on admission to the communal right of citizenship.
Small municipalities are often faster. There, the municipal clerk knows the residents and the naturalisation commission meets several times a year. Three to six months are possible.
Large cities take longer. Zurich, Basel and Geneva have more applications, more review steps and often external commissions. Eight to twelve months is realistic. Longer during peak periods.
What concretely influences the municipal duration: how often the naturalisation commission or the municipal council meets. Some have fixed dates every two months, others only twice a year. How complete your dossier was. A missing document can cost three months, because first the extension notice goes out, then the reply comes back, then the next commission date has to be waited for. Whether follow-up questions arose about integration or the language certificate.
Cantonal level: 3 to 9 months
After the municipality, your dossier goes to the canton. The cantonal authority checks whether the cantonal requirements are met and whether the municipal decision was formally correct. Most cantons treat this as a formality, others carry out their own assessment.
Typical duration: three to nine months. Shorter still in fast cantons. The canton must decide at the latest within one year of the federal naturalisation authorisation being granted.
What can cause delays here: larger cantons have longer queues. If your dossier arrives during a phase with many applications, it slips to the back of the queue.
Federal level: 6 to 12 months
The State Secretariat for Migration (SEM) reviews the application at federal level. This concerns the requirements under federal law: lawful residence, no threat to internal or external security, sufficient familiarity with Swiss circumstances.
The federal review typically takes six to twelve months. The SEM is the most heavily loaded body in the procedure. Here there is usually the least scope to influence the duration.
The realistic total calculation
If you add up all three levels:
Favourable case (small municipality, well-prepared dossier, quiet season): 12 to 15 months.
Normal case (medium-sized municipality, a few follow-up questions, normal workload): 18 to 24 months.
Difficult case (large city, peak period, follow-up questions or additions): 24 to 36 months.
The cantons' official figures mostly refer to the normal case. If you are in a hurry, the municipal preparation is the biggest lever.
What shortens the duration
A few concrete things make a difference.
Complete documents at first submission
This is the biggest lever. A municipality cannot speed up what arrives, but it delays immediately if something is missing. Before you submit:
- Request the municipality's checklist. The municipality usually has a current list of all required documents.
- Language certificate in original or certified copy. Not a screenshot or an unofficial confirmation.
- Recent debt enforcement register extract (Betreibungsregisterauszug). Not older than three months at the time of submission.
- Criminal record extract from Switzerland and from your country of origin, where required.
- Birth certificate, marriage certificate and similar civil-status documents, often with apostille or legalisation.
If something is missing, the municipality sends a grace-period notice. By the time the reply arrives and the next commission date is due, two to three months can easily pass. A complete first submission saves exactly that time.
Pass the naturalisation test beforehand
If you take the test together with the naturalisation interview, everything happens on the same date. If you have already passed it beforehand and submit the certificate, it goes even faster, because one review step is dropped.
Choosing a canton with short waiting times? Hardly possible
Some people ask whether it is possible to move residence to a faster canton. In theory yes, but you would have to fulfil the cantonal and municipal waiting periods there all over again. In most cases that means at least two more years of waiting. So for the duration of the procedure, it achieves nothing.
Answer follow-up questions promptly
If the municipality asks for a document or wants a clarification, the reply has the highest priority. Every day you take can potentially extend the total duration by an entire commission round, if the next date is close.
What extends the duration
The typical delaying factors from practice:
Incomplete documents. The biggest factor.
Backlogs at the municipality due to holiday periods, staff changes or internal reorganisation.
Additional consultation by the naturalisation commission. If the commission has doubts about integration during the interview, it can schedule a second round of assessment. That costs six to nine months.
Criminal record entries, even minor ones. These are weighed as a matter of principle, and consultation with judicial bodies takes time.
Ongoing divorce or relocation proceedings. This changes the formal starting position and must be clarified before naturalisation can be completed.
Simplified naturalisation: usually faster
Anyone who applies for simplified naturalisation through marriage to a Swiss citizen, or as a third generation, goes directly to the Confederation, without the municipality running the main procedure. This usually saves time.
The federal review in simplified cases often takes twelve to eighteen months. Cantons and municipalities are consulted, but the decision rests with the SEM.
What actually happens during the waiting period
You usually do not get many updates. The municipality gets in touch when it invites you to the interview or when a document is missing. In between, little happens visibly.
If you are unsure whether your application is still being processed, after six months without a response you can politely ask the municipality. Most are happy to give information on the status. Appearing nervous or pushing does not help.
During the waiting period you may stay in Switzerland, work, travel and do everything else completely normally. Naturalisation changes nothing about your existing residence status until it is completed.
What happens after the positive decision
If all three levels agree, your positive decision comes from the SEM. This is followed by registration in the municipality's citizens' register and usually a short naturalisation ceremony. Only after that can you apply for the Swiss passport.
The passport itself needs a further one and a half to four weeks of processing time. Add this time to the total duration if you want to know when you will actually have the red passport in hand.
In brief
The official statement of "one and a half to two years" holds true for the normal case. Small municipalities are faster, large cities slower. The biggest lever for a shorter duration lies in the submission: complete documents, a recent certificate, no gaps. Answer follow-up questions promptly. And do not forget that at the end the federal review needs its own six to twelve months, regardless of how fast the municipality was.
Anyone who factors this in is prepared for the real duration and does not get nervous if the process seems to take longer than the promotional brochure promised.
You will find every step towards naturalisation in our free guide.
Use the waiting time to prepare
While your dossier goes through the three levels, you can already prepare for the naturalisation test. Over 490 questions, just like the real test.
Practise now →