In 2014 , the Assyrian population of the Nineveh Plains In Northern Iraq largely collapsed due to an Invasion by ISIS .
Assyrian Christians were between 800,000 and 1.2 million before 2003 .
In 2014 , the Assyrian Christians population of the Nineveh Plains In Northern Iraq largely collapsed due to an Invasion by ISIS .
Assyrian Christians were between 800,000 and 1.2 million before 2003 .