A lot of study has been done over the last several decades to look at the complicated connection between team diversity and team results. The effect of team diversity on team results, as well as moderating factors that may influence this connection, are yet unknown. In the literature, there are mixed results. As a result, these research concerns were resolved. Analysing existing research and providing estimations of the link between team diversity and team results. The impact of task-related and bio-demographic diversity at work, in particular. The notion of synergistic performance arising from collaboration was tested using meta-analysis at the group level. Employee groups with a variety of backgrounds. The beneficial effect of task-related diversity on team performance was shown to be supported. Despite the fact that bio-demographic diversity has little effect on team performance, in the same way, there was no apparent impact of team diversity on social integration. The review's implications for future research and practices are also addressed.