German election 2017: Polls and odds tracker as Merkel seeks fourth term as Chancellor 

The German election takes place this Sunday, with Chancellor Angela Merkel heavy favourite to defend her position against Martin Schulz for a fourth term in power. Polls currently show that Merkel's Christian Democratic Union (CDU) party - with its Bavarian sister party, the Christian Social Union (CSU) - will be the largest party after the Bundestag election on 24 September, but they will fall short of a majority. This is common in Germany, and so the resulting parliament is in part d