Song Yadong is 28 years old as of early 2026.

He was born on December 2, 1997, in Harbin, China, and competes in the UFC bantamweight division, where he is often referred to by his nickname “Kung Fu Kid.” Public fighter profiles, sports databases, and biographical sites consistently list his age as 28 with that 1997 birthdate, which aligns with the current calendar year.