Nagano Population 2020
Nagano's 2020 population is now estimated at 371,971. In 1950, the population of Nagano was 104,642. Nagano has grown by -5,823 since 2015, which represents a -0.31% 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 Nagano, which typically includes Nagano's population in addition to adjacent suburban areas.