{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "company",
    "building_type": "detached",
    "label": "給与住宅・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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 36,
    "price_per_tsubo": 106.92964401065137,
    "prev_price_per_tsubo": 87.9815187585266,
    "change_vs_prev": 21.536483479137985,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 18,
      "floor_total": 2348,
      "cost_total": 41603,
      "price_per_tsubo": 58.57358661413969,
      "price_per_sqm": 177184.83816013628,
      "cost_per_unit": 2311.277777777778,
      "floor_per_unit": 130.44444444444446,
      "yoy": null,
      "ratio_national": 1.0706801111315893,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 66.63661730846381,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 11,
      "floor_total": 2303,
      "cost_total": 49002,
      "price_per_tsubo": 70.33882830221451,
      "price_per_sqm": 212774.64177160227,
      "cost_per_unit": 4454.727272727273,
      "floor_per_unit": 209.36363636363637,
      "yoy": 20.086257933255336,
      "ratio_national": 1.2033921180617502,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 77.55107861324643,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 14,
      "floor_total": 2063,
      "cost_total": 43598,
      "price_per_tsubo": 69.8622551720795,
      "price_per_sqm": 211333.01017935047,
      "cost_per_unit": 3114.1428571428573,
      "floor_per_unit": 147.35714285714286,
      "yoy": -0.6775391936973851,
      "ratio_national": 1.2021804339229503,
      "rank_in_national": 1,
      "is_spliced": false,
      "price_per_tsubo_real": 74.71898948885509,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 21,
      "floor_total": 2563,
      "cost_total": 48666,
      "price_per_tsubo": 62.77002580569645,
      "price_per_sqm": 189879.04799063597,
      "cost_per_unit": 2317.4285714285716,
      "floor_per_unit": 122.04761904761905,
      "yoy": -10.151732647212718,
      "ratio_national": 1.046670863515435,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 67.13371743924755,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 21,
      "floor_total": 2596,
      "cost_total": 48089,
      "price_per_tsubo": 61.23734025808936,
      "price_per_sqm": 185242.6810477658,
      "cost_per_unit": 2289.9523809523807,
      "floor_per_unit": 123.61904761904762,
      "yoy": -2.4417475187145654,
      "ratio_national": 1.0861432907784607,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 65.21548483289601,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 16,
      "floor_total": 1425,
      "cost_total": 26123,
      "price_per_tsubo": 60.60151029473684,
      "price_per_sqm": 183319.29824561405,
      "cost_per_unit": 1632.6875,
      "floor_per_unit": 89.0625,
      "yoy": -1.0383043428613403,
      "ratio_national": 1.0204141931956516,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 63.590252145579065,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 15,
      "floor_total": 2903,
      "cost_total": 55499,
      "price_per_tsubo": 63.19946235273854,
      "price_per_sqm": 191178.09162934896,
      "cost_per_unit": 3699.9333333333334,
      "floor_per_unit": 193.53333333333333,
      "yoy": 4.286942759951851,
      "ratio_national": 1.0882167990079659,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 64.55511987000872,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 17,
      "floor_total": 2273,
      "cost_total": 42363,
      "price_per_tsubo": 61.61160658600968,
      "price_per_sqm": 186374.8350197976,
      "cost_per_unit": 2491.9411764705883,
      "floor_per_unit": 133.7058823529412,
      "yoy": -2.512451384264125,
      "ratio_national": 0.9805724306145431,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 61.5500565294802,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 25,
      "floor_total": 2977,
      "cost_total": 52924,
      "price_per_tsubo": 58.76910646960027,
      "price_per_sqm": 177776.28485052066,
      "cost_per_unit": 2116.96,
      "floor_per_unit": 119.08,
      "yoy": -4.613578956817632,
      "ratio_national": 0.9741962703237752,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 58.76910646960026,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 54,
      "floor_total": 7435,
      "cost_total": 145590,
      "price_per_tsubo": 64.73301494283793,
      "price_per_sqm": 195817.0813718897,
      "cost_per_unit": 2696.1111111111113,
      "floor_per_unit": 137.6851851851852,
      "yoy": 10.14803326356959,
      "ratio_national": 1.095282551241025,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 58.68813684754118,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 57,
      "floor_total": 10122,
      "cost_total": 171991,
      "price_per_tsubo": 56.17132265263781,
      "price_per_sqm": 169918.00039517882,
      "cost_per_unit": 3017.3859649122805,
      "floor_per_unit": 177.57894736842104,
      "yoy": -13.226160248770213,
      "ratio_national": 0.8481177436459219,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 48.133095674925286,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 50,
      "floor_total": 7145,
      "cost_total": 212306,
      "price_per_tsubo": 98.2279988439468,
      "price_per_sqm": 297139.2582225332,
      "cost_per_unit": 4246.12,
      "floor_per_unit": 142.9,
      "yoy": 74.87214864315467,
      "ratio_national": 1.041822800983574,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 85.56445892329862,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 71,
      "floor_total": 13807,
      "cost_total": 494049,
      "price_per_tsubo": 118.28943606214239,
      "price_per_sqm": 357825.0162960817,
      "cost_per_unit": 6958.43661971831,
      "floor_per_unit": 194.46478873239437,
      "yoy": 20.42333902176594,
      "ratio_national": 1.2087223831194729,
      "rank_in_national": 3,
      "is_spliced": true,
      "price_per_tsubo_real": 99.57023237554074,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 69,
      "floor_total": 9277,
      "cost_total": 257732,
      "price_per_tsubo": 91.84088264309582,
      "price_per_sqm": 277818.2602134311,
      "cost_per_unit": 3735.246376811594,
      "floor_per_unit": 134.44927536231884,
      "yoy": -22.359184640251417,
      "ratio_national": 0.8729418650148405,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 75.09475277440379,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}