Risk culture maturity measures how deeply risk consciousness permeates decision-making, behaviors, and values across all organizational levels and functions. Mature risk cultures feature open risk discussions, learning from failures, empowered escalation, and alignment between stated risk appetite and actual behaviors. Organizations assess maturity through surveys, behavioral observations, incident reviews, and decision analysis. A mature culture prevents incidents like Wells Fargo's sales practices scandal, where pressure for results overwhelmed risk considerations and ethical standards. Developing maturity requires leadership modeling, training, incentive alignment, and sustained reinforcement rather than one-time initiatives. Culture maturity directly correlates with risk management effectiveness and organizational resilience.