Demographics influence the popularity of certain sports through factors like age, gender, and cultural background. For instance, sports like soccer and basketball often attract younger audiences, while traditional or regional sports may resonate with older populations. Socioeconomic factors can also play a role, as access to facilities and equipment impacts participation rates. Additionally, cultural influences shape preferences, leading to varying levels of enthusiasm for certain sports within different communities. Over time, these demographic trends can alter the landscape of popular sports.