Brunei Darussalam, Indonesia, Malaysia, Singapore, Thailand.
Southern Thailand, western Malaysia, Singapore, Sumatra and associated islands, and Borneo and associated islands. Also western Java, where presumably introduced.
 
Population
Estimated population is unknown (2010).
Blue-crowned Hanging Parrot (Loriculus galgulus) [XC575554]
by Marc Anderson from West Coast Park, Singapore, Singapore (call)
Blue-crowned Hanging Parrot (Loriculus galgulus) [XC523381]
by Sander Pieterse & Ben Wielstra from Taman Negara: Merapoh entrance road, Pahang, Malaysia (flight call, song)