This essay critically examines the rate of underemployment in the UK, exploring its concept, types (visible and invisible), and the factors contributing to it, such as the 2008 recession and technological advancements. It discusses the negative impacts of underemployment on individuals, including skill degradation and reduced income, as well as its broader economic consequences, such as decreased GDP growth. The essay highlights the importance of addressing underemployment to improve individual well-being and stimulate economic growth, referencing government initiatives aimed at wage equality and SME support. The conclusion summarizes the key points, emphasizing the significance of understanding underemployment for both individuals and the UK economy.