Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, Venezuela.
Eastern and south-eastern Colombia, southern and south-eastern Venezuela and the Guianas south to eastern Ecuador, eastern Peru, northern Bolivia and north, west, and central Brazil (Amazonia east to eastern Pará and north-western Maranhío); also, apparently isolated coastal population in eastern Brazil (Alagoas south to Rio de Janeiro).
 
Population
Estimated population is unknown (2010).
White-lored Tyrannulet (Ornithion inerme) [XC513263]
by Dante Buzzetti from Serra do Ouro, Esta\u00e7\u00e3o Ecol\u00f3gica de Murici, Murici, Alagoas, Brazil (dawn song)
White-lored Tyrannulet (Ornithion inerme) [XC422783]
by Ricardo Gagliardi from Porto Seguro, Bahia, Brazil (alarm call)