Özet:

The Republican People's Party (RPP) of Turkey is currently the main opposition party against the ruling Justice and Development Party (JDP). While the RPP has usually been identified with a “rigid” understanding of secularism, the party has been experiencing a process of ideational change for more than a decade under the leadership of Kemal Kılıçdaroğlu. This study aims to describe and explain the party’s shift to a “softer” version of secularism. Under the light of party change literature, one internal and two external factors are identified. The impact of leadership change, the internal factor, is examined with reference to major strategic and ideational changes initiated by Kılıçdaroğlu. The first major external stimulus is the global and local hegemony of post-secularism, which refers to the idea and practice of a new balance between citizenship and difference, allowing a greater space for religious arguments and images in the public sphere. The second is the transition to presidential system in Turkey, which both forced and facilitated the RPP’s search for electoral alliances with conservative parties in a personalized winner-takes-all game. It is claimed that these factors have made the RPP reassess the effectiveness of its commitment to classical secularism in meeting the renewed party goal of vote maximization. Reverse pressures on the party will also be examined in the article, with an aim of foreseeing the RPP’s leaning in the near future. Key Words: Republican People’s Party, Secularism, Post-Secular Society, Party Change JEL Classification: Z1, D72, Y80

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