Austria has a population of around 8.2 million people. It also has a federal parliamentary republic with a bicameral legislature; the Federal Assembly is composed of the Nationalrat (lower house), comprising 183 members (5 political parties) which are elected on a four-year term through proportional representation, and the Bundesrat (upper house), comprising 64 members, which are indirectly elected by the provincial assembly (Landtage) of Austria's 9 federal states. The president is elected every six years and presently, Austria is under a coalition government; of which the next national elections are expected to be held in the autumn (September-November) of 2013.