Iraq’s Christian community is one of the world’s oldest, yet its future remains fragile.

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: For two millennia, indigenous Assyrians have maintained a continuous Christian presence in Mesopotamia. Once numbering over a million, this historic community has faced centuries of persecution, mass displacement, and demographic collapse. Today, as they navigate a complex political landscape, these survivors view their enduring faith as a resilient, deep-rooted legacy.

Christianity in Iraq traces its origins to the 1st century, when Thomas the Apostle and Mar Addai are said to have introduced the faith to the region. For centuries, the Church of the East flourished, spreading from Mesopotamia as far as India and China. These communities, predominantly ethnic Assyrians, preserved their distinct Aramaic-speaking culture even as the region underwent profound geopolitical shifts following the 7th-century Arab Islamic conquest and the later arrival of nomadic tribes.

The modern era has brought existential challenges. Following the 2003 invasion of Iraq, the Christian population plummeted due to targeted violence, kidnappings, and the rise of extremist groups like Al-Qaeda and ISIS. By 2015, for the first time in history, no Christians remained in Mosul. While some families have returned to their ancestral homes following the defeat of ISIS in 2017, the community remains fragmented. Estimates from the Shlama Foundation suggest that as few as 140,000 to 150,000 Assyrian Christians remain in the country today, a sharp decline from the 1.5 million estimated in 2003.

Despite these pressures, Iraqi Christians maintain a formal role in the nation’s governance, holding five reserved seats in Parliament and protected status under the constitution. Ecumenical cooperation has also deepened, with younger generations organizing joint festivals that transcend traditional denominational divides. As Archbishop Nizar Semaan recently noted, the community’s survival is often compared to an olive tree: though it may be cut or burned, it possesses a stubborn capacity to regenerate and bear fruit, serving as a symbol of hope in a landscape marked by social fragmentation.

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