Brunei Darussalam, China (mainland), Hong Kong (China), Indonesia, Japan, Laos, Malaysia, Mongolia (B), North Korea (B), Russia (Asian), Singapore, South Korea, Taiwan (China), Thailand, Vietnam.
Breeds eastern Transbaikalia and eastern Mongolia east to south-eastern Russia (southern Amurland, southern Ussuriland), south to central and eastern China and Korea, and sporadically western Japan. Non-breeding Malay Peninsula and Sumatra.
 
Population
Estimated population is unknown (2010).
Yellow-rumped Flycatcher (Ficedula zanthopygia) [XC604978]
by Ding Li Yong from Singapore, Singapore (alarm call, call)
Yellow-rumped Flycatcher (Ficedula zanthopygia) [XC243403]
by Albert Lastukhin from Way Kambas NP, Lampung, Sumatra, Indonesia (song)
Subspecies
No subspecies.
May form a superspecies with Narcissus Flycatcher (Ficedula narcissina) and has previously been considered conspecific. Attempted hybridization between the two has been recorded in Japan.