This cross-national study examined the relationship between digital surveillance expenditure and changes in civil liberties scores across selected African countries between 2019 and 2024. The study sought to quantify levels of digital surveillance spending, analyze longitudinal trends in civil liberties, and determine the statistical relationship between surveillance expenditure and civil liberties outcomes. Anchored on a synthesis of Information Control Theory and Networked Public Sphere Theory, the study conceptualized surveillance spending as an instrument of information regulation capable of reshaping democratic communication environments and influencing freedoms. Using comparative fiscal data and civil liberties indices, findings revealed a steady increase in digital surveillance expenditure in most of the countries studied, with Nigeria and Egypt recording the highest spending levels and South Africa the lowest. Concurrently, civil liberties scores generally declined, particularly in countries already classified as “Not Free,” while Ghana and South Africa experienced only marginal decreases. Statistical analysis demonstrated a strong negative relationship (r = -0.76) between surveillance expenditure and civil liberties scores, indicating that higher spending on surveillance is significantly associated with reduced freedoms. The study concludes that when surveillance shifts from protecting citizens to monitoring journalists and civic actors, it undermines the moral purpose of governance and distorts democratic accountability. It recommends transparent fiscal oversight, strengthened constitutional safeguards, and a balanced security–rights framework to ensure that surveillance measures protect societies without eroding the liberties they exist to defend.