With a view to determine the effectiveness of the policies aimed at boosting natural gas consumption, this paper examines the unit root properties of natural gas in 44 countries, for the period 1965 to 2010. Applying the LM unit root tests, which allow for a maximum of two structural breaks, we are able to reject the null hypothesis of unit root in the natural gas consumption series in 57% of the countries. A key policy implication of this finding is that initiatives designed to have permanent positive effects on natural gas, such as construction of large natural gas pipeline network, are likely to be effective in increasing the share of natural gas consumption in only 43% of the total sample.