Spain's affiliate marketing landscape in 2026 features an average cookie duration of 30 days, enabling marketers to effectively track consumer behavior and optimize campaigns. The growing number of affiliate marketers, estimated at 150,000, indicates a robust and expanding digital economy. With an average conversion rate of 4.2%, affiliates are increasingly effective in turning visitors into buyers, boosting overall online sales.
Digital advertising expenditure in Spain has reached approximately 3.2 billion EUR, reflecting strong investments in online marketing strategies. E-commerce revenues, largely driven by affiliate channels, have surged to around 45 billion USD. These figures demonstrate a thriving digital ecosystem, with affiliate marketing playing a pivotal role in Spain's retail and service sectors in 2026.