Arab citizens of Israel (who make up a little under one-fifth of the country's population) are also exempted from military service; this exemption does not originate via Israeli statutory law, but rather is based on IDF Human Resource Department guidelines, issued under the IDF's discretionary powers pursuant to the law.[6] As a result, Arab Muslims, Arab Christians, and Bedouins are not conscripted,[6] although small numbers of each community voluntarily join the IDF.[7][8] By contrast, members of Israel's small Druze and Circassian communities are conscripted.[6]