Despite sanctions in 2014, Iran stood at the 5th place among the top natural gas exporters and the seventh oil seller in the world, according to OPEC's Annual Statistical Bulletin 2015.
According to the bulletin the largest gas reserves in the OPEC belongs to Iran with 34.20 trillion cubic meters of natural gas ahead of Qatar with 24.531 trillion cubic meters.
However the bulletin holds that sanctions imposed on Iran hindered infrastructural developments and led to an export of 8.360 billion cubic meters of natural gas putting Iran behind Qatar, Algeria, Nigeria, and the UAE in 2014.
The same year Qatar, Algeria, Nigeria, and the UAE exported 122,628 mm3, 44,190 mm3, 26,778 mm3, and 15,102 mm3 of natural gas respectively.
Iran holds the world’s fourth-largest reserves of oil and sits on the second biggest proven gas reserves in the world; combined, it has the world’s largest oil and gas reserves, outstripping titans like Saudi Arabia, Russia, and even the United States.