TikTok's algorithm exhibited pro-Republican bias during 2024 presidential race, study finds

A comprehensive study analyzing TikTok's algorithm during the 2024 U.S. presidential election revealed significant political bias, with Republican-leaning accounts receiving 11.8% more party-aligned content than Democratic accounts. The research, conducted using 323 simulated accounts across three states, demonstrated that TikTok's recommendation system favored negative partisanship content and showed consistent Republican-leaning bias across different metrics.