We employ panel data from World Governance Indicators and World Development Indicators to analyse the influence of institutional quality on credit to the private sector by banks as a proxy of financial deepening in 50 African countries over two decades (2000-2019). The dependent variable: domestic credit to private sector by banks as a percentage of GDP (credit); Explanatory variables: rule of law (rul), regulatory quality (reg), government effectiveness (gov), voice and accountability (dem), control of corruption (cor) and political stability (pol). Control variables: GDP per capita (gdppc), trade openness (trade), inflation (inf) and mobile phone subscription for 100 inhabitants (mob).