However, growth has slowed compared to 2004, when it totalled 6%. The AA attributes the deceleration to a slackening in consumer spending.
The research, compiled by the World Advertising Research Center, covers national and regional newspapers, consumer and business magazines, television, radio, outdoor, cinema, internet and direct mail.
The internet figures are WARC estimates, with expenditure for online due for release from the IAB in the next few weeks.