This is a list of Portugal's municipalities by population, according to the estimate of the resident population for the Census 2021 made by the National Statistics Institute (INE).
The 308 Portuguese municipalities are divided among the 25 sub-regions and the 7 national regions, the population density of each municipality, and the area it totals.
About 64.88% of the national population, 6,760,989 inhabitants, live in the 56 municipalities with more than 50,000 inhabitants, about 18.2% of all national municipalities. While there are 122 municipalities, about 39.6% of all national municipalities, with a population of less than 10,000 inhabitants, a total of 678,855 inhabitants, about 6.51% of the national population.