The countries of the world, especially the developing countries, including the Gulf countries, which suffer from imbalances in the diversification of sources of financing their public budgets, have realized their dependence on a single supplier. Which comes through the possession of large natural wealth, primarily oil, which made it characterized by one-sided. The danger of relying on this resource is linked to the prices of international markets, fluctuations in prices between time to time, and the impact on the public budget in these countries, which prompted the International Monetary Fund to issue warnings for the diversity of sources of Funding in the public budget to treat these imbalances. Therefore, many countries have sought to work hard to implement a strategy to diversify sources of finance and make them successful by adopting a package of reforms aimed at raising the level contribution of the economic sectors. And improving efficiency of these sectors, especially the manufacturing sector. And the importance of diversifying the sources of funding in the public budget, we find that most countries, in all ways and means, for achieve this goal and rely on the expertise and competencies of its economy planners. Which has been followed by many countries and thus achieved economic developments reflected in achieving an acceptable degree of diversification of sources of funding, to ensure continuity and sustainability of the public budget in their countries.