With 105 voters on the roll at the 2023 parliamentary election, Buyukbey stands 99th among the 127 localities of Kâhta, and its votes were cast at one ballot box.
100 people voted at that election. AK Parti took the most votes with 76; independents followed with 14. AK Parti's share here is 9.9 points above the district average. In the presidential runoff, 88 of 93 valid votes went to Recep Tayyip Erdoğan — 13.2 points above the district average. At the 2017 referendum 108 of 116 valid votes were 'yes' — 8.9 points above the district average.
The tightest race came at the 2024 local election: Yeniden Refah took 32 votes to AK Parti's 25 — a margin of just 7 votes. Turnout at the 2023 parliamentary election was 95.2%, 10.0 points above the district average. The electorate shrank from 152 registered voters in 2011 to 105 in 2023 — a change of about 31 percent. First place has changed hands 3 times here since 2009.