European online display ad spending will grow at a CAGR of 13% over the next five years — driven by massive increases in spending on video and rich media advertising. The three largest display markets in Western Europe, the UK, France, and Germany will grow at an average to below-average rate for the region, while a few smaller markets such as Spain, Greece, and Portugal start to pick up their pace. This brief report highlights the overall growth in display spending in Western Europe, with details by ad type and country.