{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "all",
    "label": "分譲住宅"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 32,
    "price_per_tsubo": 121.38151404255319,
    "prev_price_per_tsubo": 101.83374967595397,
    "change_vs_prev": 19.195762140549988,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 292,
      "floor_total": 34182,
      "cost_total": 715764,
      "price_per_tsubo": 69.22255788309637,
      "price_per_sqm": 209397.9287344216,
      "cost_per_unit": 2451.246575342466,
      "floor_per_unit": 117.06164383561644,
      "yoy": null,
      "ratio_national": 1.03577490592472,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 78.8411820991986,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 335,
      "floor_total": 38925,
      "cost_total": 824460,
      "price_per_tsubo": 70.01905262427746,
      "price_per_sqm": 211807.3217726397,
      "cost_per_unit": 2461.0746268656717,
      "floor_per_unit": 116.19402985074628,
      "yoy": 1.1506288781270024,
      "ratio_national": 1.0179666545985921,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 77.54047909665277,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 370,
      "floor_total": 40183,
      "cost_total": 844255,
      "price_per_tsubo": 69.45548456934524,
      "price_per_sqm": 210102.53092103626,
      "cost_per_unit": 2281.7702702702704,
      "floor_per_unit": 108.6027027027027,
      "yoy": -0.8048781493179114,
      "ratio_national": 0.9585788603578498,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 74.20457753135176,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 422,
      "floor_total": 45323,
      "cost_total": 952514,
      "price_per_tsubo": 69.47490801712155,
      "price_per_sqm": 210161.28676389472,
      "cost_per_unit": 2257.142180094787,
      "floor_per_unit": 107.4004739336493,
      "yoy": 0.027965318933032002,
      "ratio_national": 0.9350950125265174,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 74.38426982561194,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 455,
      "floor_total": 51005,
      "cost_total": 1115725,
      "price_per_tsubo": 72.31354862758553,
      "price_per_sqm": 218748.16194490736,
      "cost_per_unit": 2452.1428571428573,
      "floor_per_unit": 112.0989010989011,
      "yoy": 4.085850116943557,
      "ratio_national": 0.9475191486504443,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 77.42349960126931,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 405,
      "floor_total": 47985,
      "cost_total": 1000743,
      "price_per_tsubo": 68.94334066833386,
      "price_per_sqm": 208553.2979055955,
      "cost_per_unit": 2470.9703703703703,
      "floor_per_unit": 118.48148148148148,
      "yoy": -4.660548435547296,
      "ratio_national": 0.8928448859002721,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 72.41947549194732,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 580,
      "floor_total": 64409,
      "cost_total": 1405206,
      "price_per_tsubo": 72.12215595242901,
      "price_per_sqm": 218169.19995652782,
      "cost_per_unit": 2422.768965517241,
      "floor_per_unit": 111.05,
      "yoy": 4.610764800892797,
      "ratio_national": 0.8961978056955585,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 73.51901728076352,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 448,
      "floor_total": 50479,
      "cost_total": 1138943,
      "price_per_tsubo": 74.58757859644605,
      "price_per_sqm": 225627.09245428792,
      "cost_per_unit": 2542.2834821428573,
      "floor_per_unit": 112.67633928571429,
      "yoy": 3.4183984261968003,
      "ratio_national": 0.9117433885315418,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 74.43870119405793,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 887,
      "floor_total": 88987,
      "cost_total": 2402604,
      "price_per_tsubo": 89.25465828896355,
      "price_per_sqm": 269994.9430815737,
      "cost_per_unit": 2708.685456595265,
      "floor_per_unit": 100.32356257046223,
      "yoy": 19.664238963800273,
      "ratio_national": 1.0363886981218537,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 89.25465828896355,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 430,
      "floor_total": 40915,
      "cost_total": 994645,
      "price_per_tsubo": 80.36386397531467,
      "price_per_sqm": 243100.32995234022,
      "cost_per_unit": 2313.1279069767443,
      "floor_per_unit": 95.15116279069767,
      "yoy": -9.961154391364957,
      "ratio_national": 0.9081481073234968,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 74.20486054969038,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 270,
      "floor_total": 29222,
      "cost_total": 708921,
      "price_per_tsubo": 80.19793144172199,
      "price_per_sqm": 242598.38477859148,
      "cost_per_unit": 2625.633333333333,
      "floor_per_unit": 108.22962962962963,
      "yoy": -0.20647654976327923,
      "ratio_national": 0.8767019421637573,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 68.89856653068898,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 174,
      "floor_total": 16085,
      "cost_total": 436761,
      "price_per_tsubo": 89.76314244264843,
      "price_per_sqm": 271533.1053776811,
      "cost_per_unit": 2510.1206896551726,
      "floor_per_unit": 92.44252873563218,
      "yoy": 11.927004635870508,
      "ratio_national": 0.915568049861745,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 76.72063456636617,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 172,
      "floor_total": 16452,
      "cost_total": 473202,
      "price_per_tsubo": 95.08305613785558,
      "price_per_sqm": 287625.8205689278,
      "cost_per_unit": 2751.1744186046512,
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      "is_spliced": true,
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      "deflator": 121.4,
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    },
    {
      "fiscal_year": 2025,
      "units": 124,
      "floor_total": 12081,
      "cost_total": 388300,
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  ]
}