Africa is routinely positioned at or near the bottom of global development hierarchies. Although many African societies face severe material, institutional, and political deprivations, this classification conceals a prior normative question: what is being measured as development, and whose account of the good human life supplies the standard? Using critical integrative review, conceptual analysis, and theory construction, this article examines the anthropology embedded in dominant development metrics. It argues that Africa's designation as underdeveloped is partly measurement-induced because prevailing indicators privilege monetised production, formal infrastructure, schooling, and consumption while inadequately representing relational belonging, reciprocal care, cultural continuity, spiritual meaning, moral agency, ecological stewardship, and intergenerational responsibility. Drawing on the capability approach, African relational philosophy, decolonial scholarship, well-being research, and biblical anthropology, the article develops a Relational Human Flourishing and Development Framework. It also introduces relational wealth and the Adversity-Conversion Principle, which distinguishes destructive hardship from the knowledge, solidarity, resilience, and innovation that communities may generate in confronting it. The article proposes a plural, threshold-based dashboard rather than another universal league table. Africa cannot responsibly be pronounced either least or most developed until the underlying anthropology, dimensions, weights, and hidden costs of development are made explicit.