Online ads expected to increase to $31 Billion in 2011

This year display advertising has helped spur grow in online advertising. EMarketer places ad spending this year at $31.3 billion, which represents a 20% growth. A new forecast shows online ad spending reaching $50 billion in 2015. Brand-centric ad formats like banner ads, sponsorships, and video ads are actually growing faster than search marketing ads.

Here’s how that $31.3 billion online ad spend is estimated to break down in 2011:

• Search: $14.4 billion
• Banner ads: $7.6 billion
• Classifieds: $3 billion
• Video ads: $2.2 billion
• Rich media: $1.7 billion
• Lead gen: $1.4 billion
• Sponsorships: $900 million
• Email: $160 million