A fair proportion of those migrating from Arab nations are from ethnic and religious minorities facing racial and or religious persecution and are not necessarily ethnic Arabs, Iranians or Turks. Large numbers of Kurds, Jews, Assyrians, Greeks and Armenians as well as many Mandeans have left nations such as Iraq, Iran, Syria and Turkey for these reasons during the last century. In Iran, many religious minorities such as Christians, Baháʼís and Zoroastrians have left since the Islamic Revolution of 1979.