Post-harvest losses of sweet potatoes have a profound negative effect on socioeconomic wellbeing of farmers. This study investigated the effect of post-harvest losses of sweet potato on the socio-economic wellbeing of the farmers in Vandeikya Local Government Area.

Specifically, the study investigated the causes of post-harvest losses of sweet potatoes, the effect of post-harvest losses of sweet potatoes on the income of farmers and effect of postharvest losses on food availability. Modernization theory was adopted.

Using a cross-sectional survey design. A sample size of 378 respondents was drawn from sweet potato farmers in the area using a multi-stage sampling technique. The instruments of data collection were a structured questionnaire and analyzed using descriptive statistics of frequency, percentage, mean and standard deviation to address the research objectives. Chi-square statistics and Pearson correlation analysis were used in testing the hypotheses at 0.05 level of significance.

Findings revealed that, lack of adequate modern processing facilities, lack of storage facilities, poor marketing system/lack of buyers, poor handling practices, poor access roads, absence of agro allied industries, among others.

Findings also revealed that post-harvest losses of sweet potato have a significant effect on the socio-economic wellbeing of farmers in the study area.

The study concluded that investing in modern storage facilities, providing training on best practices for post-harvest handling, and enhancing market access through improved infrastructure and cooperative systems are crucial. The study recommended the establishment of agro-allied industries in the state, provision of loans and grants to farmers, provision of more access roads and rehabilitation of damaged ones, provision of sweet potato improved varieties to farmers, improved extension services, among others as the strategies to reduce post-harvest losses of sweet potatoes in order to boost the socio-economic wellbeing of the farmers in the area.