Although there are many different types of extremism, for the past two decades, Islamic extremism has dominated headlines around the world.
Of the 10 countries worst affected by extremism in 2018, only two (India and the Philippines) were outside of the Middle East and Africa. The remaining eight — the Democratic Republic of Congo, Yemen, Somalia, Pakistan, Syria, Nigeria, Iraq and Afghanistan — have all suffered significantly at the hands of Islamic radicalism.
But why are these regions so badly affected?