The Swiss Federal Intelligence Service said the number of would-be jihadists had risen to 76 since 2001.
In a media release reported by news agencies it said the most common destinations for jihadists remained Syria and Iraq.
Other destinations were Somalia, Afghanistan and Pakistan.
The Intelligence Service said 21 of the 76 were known to have died. Others are still present in the conflict zones.
One jihadist returned to Switzerland in the past month bringing the number of returners to 13.
Of the 76 recorded Islamic fighters, 29 had Swiss citizenship.