{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "all",
    "building_type": "detached",
    "label": "一戸建"
  },
  "unit": {
    "price_per_tsubo": "万円/坪",
    "price_per_sqm": "円/㎡",
    "cost": "万円",
    "floor": "㎡",
    "yoy": "%"
  },
  "formula": "price_per_tsubo = cost_total / floor_total * 3.30579",
  "formula_real": "price_per_tsubo_real = price_per_tsubo / deflator * 100 (MLIT construction cost deflator for housing of the same structure, FY2020 = 100)",
  "source": "https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00600120&tstat=000001016966&cycle=8",
  "last_verified_at": "2026-10-13T11:03:37.415Z",
  "provisional": null,
  "years": [
    {
      "fiscal_year": 2012,
      "units": 71,
      "floor_total": 10785,
      "cost_total": 244987,
      "price_per_tsubo": 75.09277466203059,
      "price_per_sqm": 227155.30829856283,
      "cost_per_unit": 3450.521126760563,
      "floor_per_unit": 151.90140845070422,
      "yoy": null,
      "ratio_national": 1.047268385777085,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 86.0169240114898,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 50,
      "floor_total": 11572,
      "cost_total": 277592,
      "price_per_tsubo": 79.300108683028,
      "price_per_sqm": 239882.47493950915,
      "cost_per_unit": 5551.84,
      "floor_per_unit": 231.44,
      "yoy": 5.602847996938887,
      "ratio_national": 1.073593680767538,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 88.40591826424526,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 53,
      "floor_total": 10939,
      "cost_total": 326389,
      "price_per_tsubo": 98.63547785995063,
      "price_per_sqm": 298371.88042782707,
      "cost_per_unit": 6158.2830188679245,
      "floor_per_unit": 206.39622641509433,
      "yoy": 24.382525444206404,
      "ratio_national": 1.2727722713029088,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 106.51779466517345,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 41,
      "floor_total": 8378,
      "cost_total": 239012,
      "price_per_tsubo": 94.30931958462641,
      "price_per_sqm": 285285.2709477202,
      "cost_per_unit": 5829.5609756097565,
      "floor_per_unit": 204.34146341463415,
      "yoy": -4.3860063023842155,
      "ratio_national": 1.1696377386393442,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 102.17694429536989,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 28,
      "floor_total": 6436,
      "cost_total": 212079,
      "price_per_tsubo": 108.93235509788688,
      "price_per_sqm": 329519.88812927285,
      "cost_per_unit": 7574.25,
      "floor_per_unit": 229.85714285714286,
      "yoy": 15.50539817026122,
      "ratio_national": 1.350437439625775,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 117.89215919684727,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 41,
      "floor_total": 7953,
      "cost_total": 260569,
      "price_per_tsubo": 108.30961832138817,
      "price_per_sqm": 327636.1121589337,
      "cost_per_unit": 6355.341463414634,
      "floor_per_unit": 193.97560975609755,
      "yoy": -0.5716729211804106,
      "ratio_national": 1.293086309651732,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 114.49219695706996,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 26,
      "floor_total": 5153,
      "cost_total": 183842,
      "price_per_tsubo": 117.93965557539298,
      "price_per_sqm": 356766.9318843392,
      "cost_per_unit": 7070.846153846154,
      "floor_per_unit": 198.19230769230768,
      "yoy": 8.891211513117426,
      "ratio_national": 1.247034608079789,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 120.34658732182957,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 17,
      "floor_total": 3183,
      "cost_total": 74567,
      "price_per_tsubo": 77.44355731385485,
      "price_per_sqm": 234266.4153314483,
      "cost_per_unit": 4386.294117647059,
      "floor_per_unit": 187.23529411764707,
      "yoy": -34.33628669167257,
      "ratio_national": 0.8085564281922332,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 77.28897935514456,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 22,
      "floor_total": 4139,
      "cost_total": 120995,
      "price_per_tsubo": 96.63784997583957,
      "price_per_sqm": 292329.0649915438,
      "cost_per_unit": 5499.772727272727,
      "floor_per_unit": 188.13636363636363,
      "yoy": 24.784879888970202,
      "ratio_national": 1.016187850194849,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 96.63784997583957,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 37,
      "floor_total": 6070,
      "cost_total": 199645,
      "price_per_tsubo": 108.72890355024711,
      "price_per_sqm": 328904.4481054366,
      "cost_per_unit": 5395.810810810811,
      "floor_per_unit": 164.05405405405406,
      "yoy": 12.511716245167314,
      "ratio_national": 1.0904846227319995,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 103.35447105536797,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 30,
      "floor_total": 4442,
      "cost_total": 153178,
      "price_per_tsubo": 113.99691594326879,
      "price_per_sqm": 344840.16208914906,
      "cost_per_unit": 5105.933333333333,
      "floor_per_unit": 148.06666666666666,
      "yoy": 4.8450892274354285,
      "ratio_national": 1.0412104057155165,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 102.05632582208486,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 16,
      "floor_total": 2323,
      "cost_total": 86481,
      "price_per_tsubo": 123.06845673267325,
      "price_per_sqm": 372281.5325010762,
      "cost_per_unit": 5405.0625,
      "floor_per_unit": 145.1875,
      "yoy": 7.957707201411468,
      "ratio_national": 0.9696285746021022,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 108.04956692947607,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 19,
      "floor_total": 3448,
      "cost_total": 144763,
      "price_per_tsubo": 138.7923659425754,
      "price_per_sqm": 419846.28770301625,
      "cost_per_unit": 7619.105263157895,
      "floor_per_unit": 181.47368421052633,
      "yoy": 12.776555120096521,
      "ratio_national": 1.0714585174419025,
      "rank_in_national": 9,
      "is_spliced": true,
      "price_per_tsubo_real": 116.73033300468913,
      "deflator": 118.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 16,
      "floor_total": 4084,
      "cost_total": 305724,
      "price_per_tsubo": 247.46800733594515,
      "price_per_sqm": 748589.6180215474,
      "cost_per_unit": 19107.75,
      "floor_per_unit": 255.25,
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      "rank_in_national": 3,
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      "price_per_tsubo_real": 202.6765006846398,
      "deflator": 122.1,
      "deflator_provisional": true
    }
  ]
}