According to the new study juste released by the Federal Statistical Office (Switzerland)...
Between 2010 and 2021, the proportion of Roman Catholics and Reformed Protestants fell slightly (by 6 and 7 percentage points respectively), in contrast to that of Muslims and other Islamic communities (+1 point). The proportion of Jewish communities has hardly changed whereas that of persons without religious affiliation has risen by 12 percentage points.
And Evangelicals themselves may represent about 2,5% of the Swiss population.