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Conformance of working tool design parameters to the workers body anthropometry guarantee optimal usage of the tools, enhance working posture and comfort, and maximization of output. This study examined the anthropometric body dimension of farmers (male and female) in South-southern Nigeria. The anthropometric characteristics of 360 farmers (230 males, 130 females) within the age limit of 20 to 65 years were randomly selected from the six states in South-southern Nigeria, namely: Rivers, Edo, Delta, Bayelsa, Akwa-Ibom, and Cross-River state. The survey was done to obtain structural body dimensions relevant for the design of farm implement/machines. Analysis of the data obtained showed that the human anthropometry assessed for the human-work tool interaction during farm work operations categorized into three clusters; length proportions, volume indicator and palm dimensions, showed that the male farmers that participated in this study had larger structural body dimension compared to their female counterparts but for the volume indicators. The structural body dimension variation across the gender should be considered in the design of the farm implement/machines for efficient human-work tool interaction during farm work operations. [ABSTRACT FROM AUTHOR]