Bangladesh, Bhutan, Cambodia (B), China (mainland), India, Laos (B), Myanmar, Nepal, Sri Lanka, Thailand, Vietnam.
Most of Indian Subcontinent (south to Sri Lanka) east to Myanmar, southern and south-eastern China (including Hainan), Thailand (except S) and Indochina.
 
Population
Estimated population is unknown (2010).
Ashy Woodswallow (Artamus fuscus) [XC447333]
by Aladdin from Tambon Mae Win, \u0e2d\u0e33\u0e40\u0e20\u0e2d \u0e41\u0e21\u0e48\u0e27\u0e32\u0e07, Chang Wat Chiang Mai, Thailand (call)
Ashy Woodswallow (Artamus fuscus) [XC823502]
by Johannes Dag Mayer from Mongyai, Lashio, Shan, Myanmar (call)