Context: The implementation of the Universal Health Coverage (UHC) promotes access to quality health care delivery through cost-effective initiatives to ensure good health and wellbeing without discrimination. This study examines government finance, budgetary allocation, and expenditure as key health development indicators towards achieving the UHC in Nigeria. Evidence Acquisition: Data analyzed in the study were gotten from journal articles, reports and other secondary sources. Searches were conducted in PubMed, Google Scholar, and WHO Library Database with pre-determined search terms. Further publications were identified through snowballing of citations and references. We reviewed only papers written in English with no date restrictions placed on searches. Results: Within the period of analysis, the annual national health budgetary allocation in Nigeria has been below the 2001 Abuja declaration of allocating 15% of the national budget to health. Our analysis also revealed that if the Abuja declaration was implemented, additional allocations of NGN 4.99 trillion should have been injected into the health sector between 2014 and 2020. In addition, Nigeria also lags behind relative to some other low-and middle-income countries in terms of government expenditure to the health sector in achieving the UHC. Conclusions: The inadequate budgetary allocation in Nigeria to healthcare has significantly influenced recurrent and capital health expenditure. It is worthy to note that the insufficient allocation will continue to significantly affect capital expenditure which is a large determinant of the development of any health system. With the current state of healthcare budget allocation in Nigeria, efforts need to be intensified to ensure the achievement of UHC. In the face of achieving UHC, reviewing the system of healthcare financing and ensuring prudent allocation of resources while shifting the focus from out-of-pocket payments for health is essential. We also recommend increase in political commitment towards improving the health of the populace so as to ensure health systems goals of efficiency, equity, quality of care, sustainability, financial risk protection for all citizens are achievable.