Belgium's email marketing landscape in 2026 continues to demonstrate strong ROI, with an average of 42:1. Open rates have stabilized at around 23.5%, reflecting increased personalization and targeted campaigns. Mobile engagement remains high, with 68% of users accessing emails via smartphones. These trends suggest that Belgian marketers are effectively leveraging mobile-friendly content to drive customer engagement and conversions.
The steady growth of email subscriber lists at 12.4% annually indicates ongoing digital expansion. Campaign effectiveness is supported by a click-through rate of 3.8%, showing that well-crafted emails continue to convert prospects into customers. As digital maturity increases, Belgian businesses are investing more in data-driven strategies to maximize ROI and deepen customer relationships through email marketing.