The generous theoretical and empirical debates are available on institutionalfreedom and economic growth, but unsuccessful to facilitate stationaryconclusion regarding the nature of connection. It is still confusing that eithereconomic freedom cause economic growth or economic growth widens thefoundation for economic freedom. The finale will be more puzzled if the analysisbased on different kinds of economies. The aim of this study is to probe thenature of relationships between economic freedom and economic growth indifferent kinds of economies. For statistical evidence autoregressive distributedlag (ARDL) approach is employed by using the data of 96 countries [HighIncome (29), Upper Middle Income (18), Lower Middle Income (26) and LowerIncome (23)]. The empirical results indicate bilateral and robust relationshipsbetween economic freedom and economic growth in high income and lowermiddle income countries, while in upper middle income and low incomecountries, economic freedom causes economic growth in unilateral connection.