The article provides an overview of mutual funds worldwide, covering topics such as collective investment, fund management, regulation, constitution, fund management, marketing, administration, and taxation. It discusses the history, growth, and benefits of mutual funds, as well as their uses and performance statistics. The research explores the management of funds, including who runs them and the range of investment aims. It also delves into the regulation of mutual funds, including investor protection and marketing practices. The article highlights the importance of establishing investment policies, objectives, and restrictions, as well as the taxation implications for both funds and investors.