Online delivered the year's most dramatic performance, recording growth of 59 per cent to reach EUR1.65 billion. The medium displaces radio from third place, behind TV and print.
TV is predicted to grow at least 3 per cent during the coming year, although competition between ProSiebenSat1 and RTL Group for ad revenue will remain intense.
The public broadcasters ARD and ZDF profited from last year's Winter Olympics and the World Cup. However, researchers say the emergence of digital and IPTV will give private channels the upper hand in securing new revenue streams.