Iran–Turkey relations Iran–Turkey relations The relations between the Islamic Republic of Iran and the Republic of Turkey have been generally peaceful since the establishment of the modern states, but sometimes have also been strained. Iran and Turkey are major trade partners. Turkey and Iran have heavy mutual influence on each other, due to geographical proximity, linguistic and ethnic relations (e.g. Azerbaijanis, a Turkic people, are the second largest ethnicity in Iran and Kurds, an Iranic people, are the second largest ethnicity in Turkey) many common cultural aspects, shared empires, and conquering by such as the Parthians, Achaemenids, Sassanians, Seljuks, Safavids, Afsharids, Ottomans
Turkish people remaining 0.2% is mostly Christian and Jewish. There are also some estimated 10 to 15 million Alevi Muslims in Turkey. Christians in Turkey include Assyrians/Syriacs, Armenians, and Greeks. Jewish people in Turkey include those that descend from Sephardic Jews who escaped Spain in 15th century and Greek-speaking Jews from Byzantine times. There is an ethnic Turkish Protestant Christian community most of them came from recent Muslim Turkish backgrounds, rather than from ethnic minorities. According to KONDA research, only 9.7% of the population described themselves as "fully devout," while 52.8% described themselves as "religious." 69.4% of the respondents reported that they