Bolivia, Brazil, French Guiana, Guyana, Peru, Suriname, Venezuela.
North-eastern Venezuela (Delta Amacuro), Guyana, northern Suriname, northern French Guiana, northern and central Brazil (eastern Amapá and lower R Amazon east to Maranhío, south to Mato Grosso, Rondônia and western Gioás) and northern Bolivia.
 
Population
Estimated population is unknown (2010).
Ashy-headed Greenlet (Hylophilus pectoralis) [XC698675]
by JAYRSON ARAUJO DE OLIVEIRA from Barra do Corretinho, Miracema do Tocantins, Tocantins, Brazil (song)
Ashy-headed Greenlet (Hylophilus pectoralis) [XC224406]
by Peter Boesman from Pantanal, Porto Jofre area, Mato Grosso, Brazil (song)