This study investigates the impact of the socio-economic environment in Nigeria on workers’ performance in selected construction companies in Osun State. The study aimed to examine the relationship between the Nigerian socio-economic environment and workers’ performance, identify key socio-economic factors affecting workers’ performance, and assess the effect of the socio-economic environment on workers’ job satisfaction. The study employed quantitative analysis method of research using 200 questionnaires to elicit data from workers in the construction companies in Osun State Nigeria. Data was analysed using SPSS package of analysis. The statistical test results provide strong evidence to reject the null hypothesis, which stated that there is no significant relationship between the Nigerian socio-economic environment and worker performance in the construction industry in Osun State. Both the correlation analysis and regression analysis show statistically significant results, indicating a significant relationship between these variables. In the correlation analysis, the correlation coefficient (r) of 0.352 indicates a moderate positive relationship between the Nigerian socio-economic environment and worker performance. The findings of the study suggest that improving the socio-economic environment can have a positive influence on worker performance in construction companies in Osun State. Specifically, the level of education of workers was found to have a significant effect on their performance in the construction industry. Additionally, a conducive socio-economic environment was found to positively impact workers’ job satisfaction in the construction industry. The study concluded and recommended further studies, such as comparative studies between different states in Nigeria, longitudinal studies, qualitative research, investigations into the impact of skill development programs and cross-cultural communication, and collaboration in the construction industry. 

Keywords: Performance, Workers, Socio-economic, Environment.