222 「国勢調査」による。10月１日現在。ただし、平成30年及び令和元年は「人口推計」（10月１日現在）による。 Data are based on the Population Census. As of 1 October. 2018 and 2019, however, based on the Population Estimates asof 1 October.年次Year平成7年199520002005201020152018令和元年201920201217222730年次Year平成7年199520002005201020152018令和元年201920201217222730年次Year平成7年199520002005201020152018令和元年201920201217222730a) 年齢不詳を含む。a) Including age not reported.資料 総務省統計局「国勢調査結果」「我が国人口・世帯の概観」「人口推計」Source: Statistics Bureau, Ministry of Internal Affairs and Communications.総数Total人口(A)5,9955,9045,5785,2974,9884,8384,7584,5166,5416,0225,9285,5865,3005,1845,1015,0899,0067,8008,0818,7429,7329,0938,7188,29110,6188,9167,7268,0338,6639,6669,8029,6508,92210,4428,7967,6447,9308,3608,5678,540Percentage by age structure(%)years old1,5802,2332,9273,7954,8875,6965,9216,02116.014.613.813.212.612.212.112.169.568.166.163.860.759.759.559.20-45-915-6445-4950-54Population (1,000)15-64(B)7,4786,5476,0155,9215,5995,3925,3515,35187,16586,22084,09281,03276,28975,45175,07272,923Population (1,000)(C)7,9538,73410,2558,6647,5157,6517,7117,7677,4757,7368,54510,0378,4557,5917,5237,29718,26122,00525,67229,24633,46535,57835,88535,336dependencydependencyratioratio14.617.420.223.026.628.128.428.723.021.420.820.720.820.420.3...10-1415-1965歳以上and over 55-5960-6465歳以上and over20-2425-2965-6970-7430-3475-792-6 年齢階級別人口及び年齢構成指数（平成７年～令和２年）Population by Age Group and Indices of Age Structure (1995 to 2020)0-14歳years old 35-3940-4465歳以上and over 80-8485歳以上 0-14歳15-64and over構成比人口人口年少人口老年人口指数Child指数Aged(A / B x 100)(C / B x 100)従属人口指数(C / A x 100)老年化指数a)125,570a)126,926a)127,768a)128,057a)127,095126,443126,167a)126,14620,01418,47217,52116,80315,88715,41515,21014,9567,8228,1158,7369,7868,3167,6947,5517,312Population (1,000)2,3012,6153,4124,3364,9615,3475,3285,2978,5587,4886,5686,0636,0085,9075,8205,6179,8958,4217,3516,4265,9686,3306,3885,9318,7889,7908,2807,2946,4106,2236,2406,0326,3967,1067,4338,2109,6449,3688,7098,0754,6955,9016,6376,9637,6968,2348,6869,012Dependency ratio((A + C) / B x 100)20.925.530.536.143.947.247.8...43.946.951.456.864.767.668.1...8,1268,7779,7558,3417,2916,9366,7526,4853,2894,1515,2635,9416,2776,9327,2416,931Aging index91.2119.1146.5174.0210.6230.8235.9...60 2 人口・世帯
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