Matsubara's 2026 population is now estimated at 116,060. In 1995, the population of Matsubara was 134,457. Matsubara experienced a decrease of -262 residents over the past year, marking an annual decline of -0.23%. These population values and projections come from Japan city census series 1995 to 2005 via CityPopulation fallback access, Japan 2010 Census municipal population Table 1 (e-Stat official CSV), Japan 2015 Census municipal population Table 1 (e-Stat official CSV), Japan 2020 Census municipal population Table 1-3 (e-Stat official download) and World Population Review Internal Projections .