The Chaldean Catholic Church (Arabic: الكنيسة الكلدانية الكاثوليكية‎ al-kanīsä 'l-kaldāniyyä 'l-kātholikiyyä,Chaldean Neo-Aramaic ܥܕܬܐ ܟܠܕܝܬܐ ܩܬܘܠܝܩܝܬܐ (French: Église chaldéenne catholique) is an Eastern particular church of the Catholic Church, maintaining full communion with the Bishop of Rome and the rest of the Catholic Church. The Chaldean Catholic Church presently comprises an estimated 2.5 million Chaldean Christians.