Chart - YouTube Net US Video Ad Revenues

Unsurprisingly, the bulk of YouTube’s ad revenues come from video formats. This year, $850 million in YouTube’s US ad revenues will come from video ads—helping the company to a dramatic 20.5% share of the overall $4.15 billion US video ad market.

Video ad revenues are expected to increase significantly in coming years for YouTube’s US operations, particularly as mobile video viewership grows. eMarketer estimates the company’s revenues from video ad formats will hit $1.22 billion next year, claiming a 21.1% share of all US video ad revenues. Read the rest at eMarketer.