This paper analyses the effectiveness of the UN as an international organisation and the success it has attained. It also discusses the UN Charter and its six organs. The paper highlights the role played by the UN towards the improvement of the condition of the world and mitigating the adverse effects of the various wicked problems that it is currently facing like unemployment, poverty, climate change and others. The paper concludes that the UN over the years had been a useful international organisation which not only contributed in an effective manner towards the maintenance of world peace but at the same time contributed towards its development as well.