Dear Zambia,
BBC NEWS
How many foreigners joined IS?
The United Nations has said that more than 40,000 foreign fighters from 110 countries may have travelled to Syria and Iraq to join terrorist groups.
A July 2018 study by the International Centre for the Study of Radicalisation (ICSR) at King's College London based on official, academic and other data concluded that 41,490 people - 32,809 men, 4,761 women, and 4,640 children - from 80 countries were affiliated with IS specifically.
Researchers found:
18,852 came from the Middle East and North Africa,
7,252 from Eastern Europe,
5,965 from Central Asia,
5,904 from Western Europe,
1,010 from Eastern Asia,
1,063 from South-East Asia,
753 from the Americas, Australia, New Zealand,
447 from Southern Asia, and
244 from Sub-Saharan Africa.
Approximately 850 people from the UK were among them, including 145 women and 50 children.