Why have oil resources affected Arabian countries differently?

Oil resources have affected countries on the Arabian Peninsula differently primarily due to the unequal distribution of these deposits. While the peninsula shares a common environment and culture, states in the south and southwest, such as Yemen, derive significantly less wealth from oil compared to their neighbors.1

For the Gulf Arab states—including Saudi Arabia, Kuwait, Qatar, Bahrain, Oman, and the United Arab Emirates—petroleum has been a transformative force. These revenues have:23

• Financed Development: Oil wealth has funded extensive infrastructure, welfare systems, and public sectors, turning these nations into high-income economies.24
• Reduced Taxation: Hydrocarbon revenues have decreased the need for domestic taxation.2
• Driven Migration: The demand for labor in oil-rich states attracted migrants from other Arab countries, including Yemen.34

Despite these benefits, the abundance of oil has acted as a disincentive for economic diversification. When oil prices fluctuate, these nations face economic instability, prompting efforts to implement austerity measures and long-range development plans to reduce dependence on energy exports.564