The December 2025 boy group brand reputation rankings, based on big data analysis, placed BTS in first, Stray Kids in second, and SEVENTEEN in third.
The Korea Corporate Reputation Research Institute analyzed a total of 60,343,246 pieces of big data related to boy group brands from November 13 to December 13, 2025.
This data, a 7.75% increase from last November’s 56,002,394 points, was used to assess the participation, media, communication, and community indices for each group.
BTS, which ranked first, earned a participation index of 110,491, a media index of 1,363,882, a communication index of 2,315,032, and a community index of 3,037,797, leading to a brand reputation index of 6,827,202.
However, this is a 25.18% decline from their November 2025 brand reputation index of 9,125,320.
Stray Kids secured second place with a participation index of 128,780, media index of 1,029,906, communication index of 1,770,192, and community index of 2,548,986, resulting in a brand reputation index of 5,477,864.
This represents a significant 33.50% increase from their November 2025 index of 4,103,138.
In third place, SEVENTEEN posted a participation index of 88,502, media index of 646,622, communication index of 1,879,079, and community index of 2,232,655, yielding a brand reputation index of 4,846,859.
This marks an 18.45% rise from their November 2025 brand reputation index of 4,092,008.
Koo Chang Hwan, the director of the Korea Corporate Reputation Research Institute, commented on BTS’s performance, noting that the group showed strong link analysis scores for terms like “waiting,” “donating,” and “recording.” Keyword analysis highlighted “complete group,” “together and apart,” and “ARMY.”
Additionally, BTS’s positive-negative ratio analysis revealed a 92.05% positive sentiment.
However, detailed analysis also showed a decline in several areas: brand consumption dropped by 5.12%, brand issues fell by 10.91%, brand communication decreased by 34.06%, and brand diffusion declined by 23.43%.