This list of municipalities in Pernambuco by population is based on the 2021 estimate from the Brazilian Institute of Geography and Statistics (portuguese: Instituto Brasileiro de Geografia e Estatística; IBGE). Pernambuco is one of the 27 federative units of Brazil, and is divided into 185 municipalities. The Pernambuco territory is equivalent to 1.15% of the Brazilian territory and with more than 9.67 million inhabitants (4.55% of the Brazilian population), the state has the nineteenth largest territorial area and the seventh largest population among the states of Brazil. .
The most populous city in Pernambuco is Recife, the state capital, with 1,661,017 inhabitants. Then comes Jaboatão dos Guararapes with approximately 711,330 inhabitants.