Based on a comparison of 96 countries in 2012, USA ranked the highest in gross natural gas production with 29,542 bil cb ft followed by Russia and Iran. On the other end of the scale was Slovenia with 0.071 bil cb ft, Luxembourg with 0.141 bil cb ft and Greece with 0.177 bil cb ft.
Total gross natural gas production reached 147,476 bil cb ft in 2012 in the World according to EIA. This is 0.716 % more than in the previous year and 23.7 % more than 10 years ago.
Historically, total gross natural gas production reached an all time high of 147,476 bil cb ft in 2012 and an all time low of 87,925 bil cb ft in 1990. The average annual growth amounted to 2.38 % since 1990.
The top ranked country, USA, accounted for 20.0 % of gross natural gas production in the world. The top 3 countries hold a 41.2 % share while the ten largest countries some 65.0 % in 2012.
Data for more countries are available at Gross Natural Gas Production indicator page.