The OKFutures needs assessment aims to provide a comprehensive understanding of the mixed delivery system of ECCE, health, and family support programs serving children from birth to age 5 (hereafter, “young children”) in Oklahoma, along with the number and characteristics of families who participate in the system. The needs assessment estimates overall system capacity, utilization, and gaps where additional policy development, alignment, and funding can help meet demand and ensure equitable access to high-quality ECCE, especially for vulnerable and underserved children and families. Family and workforce perspectives on choice, access, and participation supplement analyses of administrative and related data to illuminate needs across the state. (author abstract)