The scenarios for population development in the cantons are based on the most recent scenarios for Switzerland as a whole. These cantonal scenarios were calculated simultaneously for all cantons and adjusted at each stage of the projection to the scenarios of population development in Switzerland.
The interest and originality of these scenarios lies in the fact that it is indeed a regionalisation of national scenarios (of their method and assumptions) and not only an aggregation of several cantonal scenarios or a distribution of the national scenarios between the different cantons. This method ensures that, for each year of the projection, the total of the results for the cantons is identical to the scenario results for Switzerland as a whole.