Until 2023, the largest party used to get a 50-seat bonus (out of 300 seats), ostensibly to ensure elections returned viable governing majorities.
Although New Democracy achieved a large percentage of 40.7% and beat the opposition party by 20%, they fell short of forming a majority by 5 seats.
After the seven-year dictatorship ended, the former leader of ERE, Konstantinos Karamanlis, was called back from exile to form a new government and then created the New Democracy (ND) party.
The global economic crisis that heavily affected Greece had an impact in reshaping the party system that had been stagnant for decades.
A new split in the party system ideology (created during the economic crisis) which was evident in the 2012 elections was a pro- or anti-European stance.
The elections in 2019 saw a return to a single party government with the continuously dominant New Democracy claiming the majority in parliament.