Optimism is on the rise in Germany with a staggering 87 percent of people polled in a survey believing the hosts will beat Argentina in Friday's World Cup quarter-final clash in Berlin.

After winning their first four games, German confidence is sky high and a survey conducted by sports agency SID, covering 1,000 German citizens, revealed that close to 53 percent predicted a fourth World Cup win for Germany at Berlin's Olympic Stadium on July 9.

That is in stark contrast to the pre-tournament pessimism with just 9 percent believing in a German title win after their 4-1 friendly drubbing by Italy on March 1.

Germany's 53 percent means the hosts see themselves as World Cup favorites ahead of holders Brazil, who polled 25 percent, while Argentina got 6 percent of the vote.

The popularity of national team coach Jürgen Klinsmann is also on the rise and 91 percent said they wanted to see him stay on as coach after the World Cup. Klinsmann has yet to decide his future saying it hinges on the finals.