KDE – German test for naturalisation in the Canton of Zurich

The constitution of the Canton of Zurich requires anyone who wants to become a naturalised citizen to demonstrate proficiency in German. The KDE test was specifically developed as an officially recognised, legally compliant language assessment for anyone seeking naturalisation. Academia is certified by the Canton of Zurich to conduct KDE tests for naturalisation applications.
The test assesses listening and speaking skills at level B1 and reading and writing at level A2 of the Common European Reference Framework for Languages (CERF).

The test

The listening, reading and writing components take approx. 1.5 hours in total. The speaking component takes around 15 minutes. No aids (dictionaries, mobile phones, etc.) are permitted. KDE candidates must present a valid ID on the day of the test.

Regular naturalisation: Anyone who is already part way through the naturalisation process will receive a letter from their local municipality, allowing them to take the test.
Facilitated naturalisation: Those seeking naturalisation can register independently at any time.

The deadline for registration is 10 days before the test date.


KDE complete test CHF 250.-
Oral KDE partial test CHF 125.-
Written KDE partial test CHF 125.-


Cancellation up to 7 days before the exam no charge
Cancellation less than 7 days before the exam 50% of the exam fee
In case of nonattendance 100% of the exam fee

Participants who cancel at short notice will not be charged a fee if they can present a medical certificate.

Candidates will be informed of their test results within two weeks.


More information:

  • Website of the Canton of Zurich on the KDE (in German)

Exam dates

Academia Zurich

29th July 2023
26th August 2023
23rd September 2023
28th October 2023
18th November 2023
16th December 2023