In 2026, Sao Tome and Principe's digital advertising landscape has seen significant growth, with an ad viewability rate of 72%, indicating improved ad placements and user engagement. The total digital ad spend has reached approximately 1.8 million USD, reflecting increased digital adoption and marketing efforts. Mobile advertising continues to dominate, accounting for 65% of ad delivery, highlighting the country's mobile-first digital ecosystem.
Despite the relatively small economy, Sao Tome and Principe demonstrates a rising digital marketing maturity, with programmatic advertising representing over half of total digital ad spend. The average CTR of 1.4% suggests moderate user interaction, emphasizing the importance of targeted and engaging ad content. As digital infrastructure advances, expect further growth in ad effectiveness and investment in 2027.