Construction is usually done or coordinated by general contractors, who specialize in a single type of construction namely residential or commercial building. Cost structure of the construction industry is fixed by the raw material cost and subcontracting cost. The prime objective of this study is to analyses the socio-demographic characteristics of the construction workers in Tirunelveli district. The construction workers are classified into three types. They are skilled, semiskilled and unskilled and it is influenced by many socio-demographic factors. Considering both the time available for the study and the need to have a large sample of 711 construction workers were selected randomly for the statistical analytic study. It is these factors which determine whether the construction workers employment enables the respondents to improve their position or not..