US ad spending fell by 0.5% in the first half of this year, but internet ad spend continues to rise, growing by 23.6%, according to new data from Nielsen.

TNS Media Intelligence paints a similar picture, with its figures putting total US online ad spend at $5.5bn (£2.7bn) for the first six months of the year, up 17.7% from $4.69bn (£2.3bn) in the same period last year. 

According to the TNS figures, online display advertising now accounts for 7.6% of total advertising expenditure, up from 6.4% a year ago. In the UK, online accounted for 11.4% of total ad spend last year.  

Last year, total online ad spend in the US reached $16.9bn (£8.5bn), while in the UK, online ad spend passed the £2bn mark.

Related stories:

US online media spending to overtake newspapers  

Related research:

Internet Statistics Compendium – September 2007