{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "owner",
    "building_type": "all",
    "label": "持家"
  },
  "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": 438,
    "price_per_tsubo": 90.84120433088849,
    "prev_price_per_tsubo": 89.87018108069432,
    "change_vs_prev": 1.0804732320749224,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 1294,
      "floor_total": 153469,
      "cost_total": 2505342,
      "price_per_tsubo": 53.96617251809812,
      "price_per_sqm": 163247.43107728596,
      "cost_per_unit": 1936.1221020092735,
      "floor_per_unit": 118.60046367851623,
      "yoy": null,
      "ratio_national": 0.9763762244389486,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 61.394963046755535,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 1572,
      "floor_total": 185864,
      "cost_total": 3072670,
      "price_per_tsubo": 54.650721814337366,
      "price_per_sqm": 165318.1896440408,
      "cost_per_unit": 1954.6246819338423,
      "floor_per_unit": 118.23409669211196,
      "yoy": 1.2684785010641075,
      "ratio_national": 0.976315670741221,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 60.25437906762664,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 1245,
      "floor_total": 146153,
      "cost_total": 2514452,
      "price_per_tsubo": 56.87362063782474,
      "price_per_sqm": 172042.44866680808,
      "cost_per_unit": 2019.6401606425702,
      "floor_per_unit": 117.39196787148595,
      "yoy": 4.067464709869961,
      "ratio_national": 0.9866101788828135,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 60.82740175168422,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1205,
      "floor_total": 140240,
      "cost_total": 2467360,
      "price_per_tsubo": 58.16153746719909,
      "price_per_sqm": 175938.39132915004,
      "cost_per_unit": 2047.6016597510372,
      "floor_per_unit": 116.38174273858921,
      "yoy": 2.2645240709676218,
      "ratio_national": 0.9971031116306062,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 62.20485290609529,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1295,
      "floor_total": 149912,
      "cost_total": 2635364,
      "price_per_tsubo": 58.11382649527722,
      "price_per_sqm": 175794.0658519665,
      "cost_per_unit": 2035.0301158301158,
      "floor_per_unit": 115.76216216216216,
      "yoy": -0.08203182721704394,
      "ratio_national": 0.9897064904623212,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 61.889059100401724,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1330,
      "floor_total": 151829,
      "cost_total": 2704212,
      "price_per_tsubo": 58.87911392079248,
      "price_per_sqm": 178109.0568995383,
      "cost_per_unit": 2033.2421052631578,
      "floor_per_unit": 114.15714285714286,
      "yoy": 1.3168766740518256,
      "ratio_national": 0.992012791196429,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 61.78291072486094,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 1361,
      "floor_total": 152398,
      "cost_total": 2736762,
      "price_per_tsubo": 59.365348967702985,
      "price_per_sqm": 179579.9157469258,
      "cost_per_unit": 2010.8464364437914,
      "floor_per_unit": 111.97501836884643,
      "yoy": 0.8258192328855607,
      "ratio_national": 0.9882949592514079,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 60.63876299050356,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 1418,
      "floor_total": 158060,
      "cost_total": 2912959,
      "price_per_tsubo": 60.92389429716564,
      "price_per_sqm": 184294.50841452612,
      "cost_per_unit": 2054.2729196050777,
      "floor_per_unit": 111.46685472496473,
      "yoy": 2.6253451829459706,
      "ratio_national": 1.0014105610914454,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 60.86303126589975,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 1299,
      "floor_total": 143323,
      "cost_total": 2704994,
      "price_per_tsubo": 62.391536007898246,
      "price_per_sqm": 188734.11804106808,
      "cost_per_unit": 2082.3664357197845,
      "floor_per_unit": 110.33333333333333,
      "yoy": 2.408975538520175,
      "ratio_national": 1.0181477195922761,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 62.39153600789824,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 1342,
      "floor_total": 147850,
      "cost_total": 2845150,
      "price_per_tsubo": 63.614936885356784,
      "price_per_sqm": 192434.90023672642,
      "cost_per_unit": 2120.0819672131147,
      "floor_per_unit": 110.17138599105812,
      "yoy": 1.9608442999442532,
      "ratio_national": 1.031269279933195,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 57.6744668044939,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 1240,
      "floor_total": 132997,
      "cost_total": 2632384,
      "price_per_tsubo": 65.43086463123228,
      "price_per_sqm": 197928.07356556915,
      "cost_per_unit": 2122.8903225806453,
      "floor_per_unit": 107.25564516129032,
      "yoy": 2.8545618918840665,
      "ratio_national": 1.0311763892449386,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 56.06757894707136,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 1052,
      "floor_total": 112205,
      "cost_total": 2751552,
      "price_per_tsubo": 81.06637927079898,
      "price_per_sqm": 245225.43558664943,
      "cost_per_unit": 2615.5437262357414,
      "floor_per_unit": 106.65874524714829,
      "yoy": 23.89623723863088,
      "ratio_national": 1.03808311907953,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 70.61531295365765,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 1086,
      "floor_total": 115086,
      "cost_total": 2980521,
      "price_per_tsubo": 85.61403225926698,
      "price_per_sqm": 258982.0655857359,
      "cost_per_unit": 2744.4944751381217,
      "floor_per_unit": 105.97237569060773,
      "yoy": 5.609789199141058,
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      "rank_in_national": 9,
      "is_spliced": true,
      "price_per_tsubo_real": 72.06568371992171,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 913,
      "floor_total": 95189,
      "cost_total": 2590621,
      "price_per_tsubo": 89.96889341825211,
      "price_per_sqm": 272155.5011608484,
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      "yoy": 5.086620784075668,
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      "is_spliced": false,
      "price_per_tsubo_real": 73.56409927902871,
      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}