Iran holds the world’s second-largest natural gas reserves. The natural resources are estimated at 133 trillion cubic metres (116.5 trillion cubic feet), of which 33% is associated gas and 67% is in non-associated gas fields.
According to the National Iranian Gas Company (NIGC) report, national gas production in Iran increased by 4 billion cubic metres in 2022 at a pace of roughly 840–850 million cubic metres per day.