For many years, the Czech party system was understood as a stable "five-party platform." From 1998 onward, this model was dominated by two major parties—the centre-right and the centre-left Czech Social Democratic Party (ČSSD) —supported by three smaller formations. This structure provided a predictable and manageable framework for coalition-building.
With polls showing these new players potentially winning seats, the parliament of 2026 faces a high risk of fragmentation, making coalition-building more unpredictable than in previous years. The 2026 Outlook: A Fragmented Parliament Czech parties 5
The primary challenger, led by Andrej Babiš, currently leading in many polls. For many years, the Czech party system was