The article examines the main directions of spending oil revenues to ensure sustainable development in Azerbaijan. As a result of the use of oil revenues in Azerbaijan for transfers to the state budget, fund management costs, the education of young people abroad, the implementation of infrastructure projects in various fields of agriculture and industry, sustainable economic development has entered a qualitatively new stage. The dynamic and rapid development of the non-oil sector is a clear example of this. Among other things, the article shows the priority directions of determining sustainable development prospects in Azerbaijan and spending oil revenues in the future. The purpose is to study the main directions and characteristics of the impact of oil revenues and expenses on ensuring sustainable development in Azerbaijan. Methodology – statistical and comparative analysis methods were used during the writing of the article. The results of the research – the efficient and correct use of natural resources, especially oil resources, spending of oil revenues on the non-oil sector and in general on the main areas of sustainable development are of particular importance for the strengthening of the national economy. In this regard, the article focuses on the main directions of sustainable development and emphasizes the importance of the development of the non-oil sector. Keywords: oil, oil sector, non-oil sector, oil revenues, sustainable development, diversification