Based on a comparison of 93 countries in 2015, Turkmenistan ranked the highest in natural gas rents as a percentage of GDP with 15.2% followed by Qatar and Trinidad and Tobago. On the other end of the scale was France with < 0.001%, Greece with < 0.001% and South Korea with < 0.001%.
Average natural gas rents as a percentage of GDP reached 0.174% in 2015 in the World according to EIA. This is 79 % less than in the previous year and -149 % less than 10 years ago.
Historically, average natural gas rents as a percentage of GDP reached an all time high of 0.716% in 1979 and an all time low of 0.001% in 1970. The average annual growth amounted to 11.6 % since 1970.
Data for more countries are available at Natural Gas Rents (As % of GDP) indicator page.