Kammala wannan jumla: A watan Disambar 2013 an yi tunanin cewa Iran tana da kimanin mutane 10,000 a Siriya. Amma a cewar Jubin Goodarzi, mataimakin farfesa kuma mai bincike a Jami'ar Webster, Iran ta taimaka wa Baathist Syria tare da iyakantaccen adadin rukunin da aka tura da ma'aikata, "mafi yawa a cikin ɗaruruwan... kuma ba a cikin dubbai kamar yadda majiyoyin adawa suka yi iƙirari ba". Mayakan Hezbollah na Lebanon da Tehran ke tallafawa sun dauki nauyin fada kai tsaye tun daga shekarar 2012. A lokacin bazara na 2013, Iran da Hezbollah sun ba da muhimmin tallafi a fagen yaƙi ga sojojin Siriya, suna ba su damar ci gaba a kan 'yan adawa. A cikin 2014, daidai da
tattaunawar zaman lafiya a Geneva II, Iran ta kara goyon bayan Shugaba Assad na Syria. Ministan Kudi da Tattalin Arziki na Siriya ya bayyana cewa sama da dala biliyan 15 sun fito ne daga gwamnatin Iran. Kafin kashe shi, Kwamandan Quds Force na Sojojin Juyin Juya Halin Musulunci Qasem Soleimani ya kasance mai kula da fayil din tsaro na Shugaban Syria Assad kuma ya kula da kayan aiki da horar da dubban mayakan Shi'a masu goyon bayan gwamnati.