Radio ad spend by region, 2009 % share Source: Warc Data Extracted from Adstats: Global radio market. To click through to article, use Slide Show view Media trends

Radio media inflation forecast, major markets, 2011 vs. 2010 year-on-year % change Source: Warc Data Extracted from Adstats: Global radio market. To click through to article, use Slide Show view Media forecasts

Global radio spend, 2000-2009 Media trends Source: Warc Data Extracted from Adstats: Global radio market. To click through to article, use Slide Show view Media trends

Global ad spend by medium, 2000-2009 $bn Source: Warc Data Extracted from Adstats: Global radio market. To click through to article, use Slide Show view Media trends

Radio industry revenue by source, 2009 $m Source: Ofcom’s International Communications Report, December 2010 Extracted from Adstats: Global radio market. To click through to article, use Slide Show view Media trends

Forecast ad % change by country, 2010-2011 major markets, year-on-year % change Source: Warc Data Extracted from Adstats: Global radio market. To click through to article, use Slide Show view Media forecasts

Forecast ad spend by country, selected markets, 2011 $bn Source: Warc Data Extracted from Adstats: Global radio market. To click through to article, use Slide Show view Media forecasts