As of December 2015, approximately 30,000 fighters from at least 85 countries had joined the Islamic State of Iraq and Syria (ISIS). Although the great majority of ISIS recruits come from the Middle East and the Arab world, there are also many from Western nations, including most member-states of the European Union, as well as the United States, Canada, Australia, and New Zealand. Thousands of fighters from Russia and hundreds from Indonesia and Tajikistan also have joined. ISIS's recruitment of foreign fighters is a global phenomenon that provides the organization with the human capital needed to operate outside the Middle East.
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