Sierra Leone's digital advertising market is rapidly expanding, with total ad spend reaching around USD 12 million in 2026. Programmatic advertising now accounts for over half of this budget, reflecting increased efficiency in targeting and automation. The average CPC remains low at USD 0.35, making PPC campaigns highly cost-effective for local businesses seeking to maximize ROI.
The majority of ad impressions are delivered via mobile devices, reaching approximately 1.8 billion impressions across Sierra Leone's growing internet user base of over 4.2 million. This trend underscores the importance of mobile-first strategies in Sierra Leone's digital marketing landscape, with programmatic ads playing a crucial role in connecting brands to their audiences effectively.