Answer:
Iran, Russia, Qatar, Turkmenistan, Qatar, U. S, Saudi Arabia, UAE, Venezuela, Nigeria, Algeria, Australia, Iraq, China, Indonesia and Norway.
Explanation:
Iran is the largest producer of proven natural gas in the world followed by Russia, Qatar, Turkmenistan, Qatar, U. S, Saudi Arabia, UAE, Venezuela, Nigeria, Algeria, Australia, Iraq, China, Indonesia and Norway. These countries have the highest reserves of proven natural gas in the world as compared to other regions in the world because these regions have favorable conditions for hydrocarbon formation millions of years ago.
