Groundnut is one of tile dominant crops in Zambia that enable most of smallholder farmers earn both food and income. Despite the overall importance of the crop amongst farmers in the country; its productivity countrywide is often hampered by a number of limitations. The study will be guided by the following objectives i).to assess the current utilization of agricultural extension services by groundnut farmers in the Mpika District. ii). Identify the perceived benefits and challenges associated with extension services for groundnut production.iii). To investigate the impact of extension services on groundnut yield, adoption of improved practices, and overall farm productivity. The study will employ a mixed- methods approach, including both quantitative and qualitative data collection with the help of Survey-questionnaires it will administer structured questionnaires to groundnut farmers in the Mpika District. Collect data on extension service utilization, crop management practices, and socio-economic factors. Further conduct a Focus Group Discussions with farmers, extension workers, and local stakeholders. Explore perceptions, challenges, and experiences related to extension services. Quantitative data will be analyzed using descriptive statistics, regression models, and impact assessment techniques. Qualitative data from FGDs will be thematically analyzed. This study contributes to the broader understanding of how extension services can drive agricultural development. Findings will guide policymakers, extension agencies, and development partners in designing targeted interventions that empower farmers, improve livelihoods, and promote sustainable groundnut production in Zambia.Key words: Agriculture Extension, Groundnut, Production