Kayode David KOLAWOLEKabir Kehinde ZAKARIYAUAJAYI, Ezekiel OluwoleBashirat Oluwafunke OLOYIN-ABDULHAKEEM2025-04-272025-04-272025-02-28https://uilspace.unilorin.edu.ng/handle/123456789/15532This study examined the impact of financial development and rule of law on domestic investment in West Africa. Secondary Data were obtained from World Bank development indicators database for the 16 West African countries from 2000 to 2021. Fixed effects Model Regression and Two-step System GMM were used to analyze the data. The study found that financial development, rule of law and interaction between financial development and rule of law had positive, significant effects on domestic investment. The study concluded that developing financial sector and maintaining sound rule of law are necessary for enhancing domestic investment. It was recommended that financial institutions particularly, commercial banks in West African countries should increase their lending to private sector for productive investment.