“…From the studies, it is clear that so many studies have been carried out on the impact of indirect tax and direct tax on economic growth in Nigeria (Hakim, 2020;Neog & Gaur, 2020;Ogundana et al, 2017), oil revenue, and oil price on economic growth. Inflation, exchange rate, unemployment, investment, external debt and total debt on foreign reserves and economic growth, (Akpan, 2016;Asagunla & Agbede, 2018;Farouk et al, 2016), Public debt and economic growth (Ochuko & Idowu, 2019;Saungweme & Odhiambo, 2019). But the above literature review has not disclosed any studies that has been carried out on the influence of direct tax, indirect tax, oil revenue, and total debt on foreign reserves in Nigeria.…”