Matsuyama's 2021 population is now estimated at 508,241. In 1950, the population of Matsuyama was 116,543. Matsuyama has grown by -1,717 since 2015, which represents a -0.34% annual change. These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Matsuyama, which typically includes Matsuyama's population in addition to adjacent suburban areas.