However, year-on-year growth is set to slow from 13.2% in 2024 to 7.9% in 2025.
A GroupM report projects TV, OOH and digital will experience the most significant growth.
In Canada, however, growth is expected to remain the same, according to the marketing intelligence firm.
The media agency’s quarterly report also predicts an increase in North American ad spend in 2012, and a strong global growth in digital media.