Influencer marketing ROI hits an impressive 5.78x when brands focus on targeted niches, especially as emerging influencer niches evolve with cultural shifts like sustainability and remote lifestyles. Heading into Q4 2026, these niches offer brands fresh ways to connect with engaged audiences amid holiday trends and year-end wellness pushes. In this guide, you’ll discover key emerging influencer niches, updated examples of top creators, and strategies to align your campaigns for…