Buyukbejyan ranks 100th by electorate among the 127 localities of Kâhta. The village has a single ballot box, and 102 voters were registered there for the 2023 parliamentary election.
90 people voted at that election. AK Parti took the most votes with 67; Yeniden Refah followed with 8. AK Parti's share here is 7.6 points above the district average. In the presidential runoff, 83 of 94 valid votes went to Recep Tayyip Erdoğan; across the district that share was 81.4%. At the 2017 referendum 105 of 109 valid votes were 'yes'; across the district the 'yes' share was 84.2%.
The picture has not changed since 2018: AK Parti has finished first in all of the last 4 elections. Turnout at the 2024 local election was 82.9%, 7.5 points above the district average.