{
  "area": {
    "code": "09000",
    "name": "栃木県",
    "slug": "tochigi"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 2189,
    "price_per_tsubo": 79.916116015451,
    "prev_price_per_tsubo": 77.96681047947247,
    "change_vs_prev": 2.5001735020207576,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8524,
      "floor_total": 1029874,
      "cost_total": 16924640,
      "price_per_tsubo": 54.32635998733825,
      "price_per_sqm": 164336.9965646283,
      "cost_per_unit": 1985.5279211637728,
      "floor_per_unit": 120.82050680431722,
      "yoy": null,
      "ratio_national": 0.9696070938718466,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 61.875125270316914,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 8845,
      "floor_total": 1066832,
      "cost_total": 17616018,
      "price_per_tsubo": 54.58671669411866,
      "price_per_sqm": 165124.57444096165,
      "cost_per_unit": 1991.6357263990956,
      "floor_per_unit": 120.61413227812324,
      "yoy": 0.4792456311099924,
      "ratio_national": 0.9675012339063338,
      "rank_in_national": 31,
      "is_spliced": false,
      "price_per_tsubo_real": 60.38353616606046,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 7592,
      "floor_total": 905288,
      "cost_total": 15326041,
      "price_per_tsubo": 55.96525423665176,
      "price_per_sqm": 169294.64435627116,
      "cost_per_unit": 2018.7092992623814,
      "floor_per_unit": 119.24236037934668,
      "yoy": 2.52540842538278,
      "ratio_national": 0.9718216618678067,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 59.91997241611537,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 7578,
      "floor_total": 895085,
      "cost_total": 15258266,
      "price_per_tsubo": 56.35288621766648,
      "price_per_sqm": 170467.22936927777,
      "cost_per_unit": 2013.4951174452362,
      "floor_per_unit": 118.11625758775402,
      "yoy": 0.6926297151722105,
      "ratio_national": 0.9676015684610175,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 60.46447019062927,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 7842,
      "floor_total": 924283,
      "cost_total": 15886877,
      "price_per_tsubo": 56.82099434678557,
      "price_per_sqm": 171883.25437122612,
      "cost_per_unit": 2025.8705687324662,
      "floor_per_unit": 117.8631726600357,
      "yoy": 0.8306728555321774,
      "ratio_national": 0.972893697198504,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 60.771116948433765,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 8002,
      "floor_total": 939514,
      "cost_total": 16082242,
      "price_per_tsubo": 56.587251260949806,
      "price_per_sqm": 171176.18257950386,
      "cost_per_unit": 2009.7778055486128,
      "floor_per_unit": 117.40989752561859,
      "yoy": -0.411367468174173,
      "ratio_national": 0.9606822887799623,
      "rank_in_national": 35,
      "is_spliced": false,
      "price_per_tsubo_real": 59.44038997998929,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 7928,
      "floor_total": 930619,
      "cost_total": 16147960,
      "price_per_tsubo": 57.361567610805274,
      "price_per_sqm": 173518.486082919,
      "cost_per_unit": 2036.8264379414732,
      "floor_per_unit": 117.38382946518668,
      "yoy": 1.368358300856043,
      "ratio_national": 0.9636028011963457,
      "rank_in_national": 37,
      "is_spliced": false,
      "price_per_tsubo_real": 58.47254598451098,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 7950,
      "floor_total": 932878,
      "cost_total": 16451432,
      "price_per_tsubo": 58.298061902285184,
      "price_per_sqm": 176351.3771361314,
      "cost_per_unit": 2069.3625157232705,
      "floor_per_unit": 117.34314465408805,
      "yoy": 1.6326162803533606,
      "ratio_national": 0.9706672795470611,
      "rank_in_national": 34,
      "is_spliced": false,
      "price_per_tsubo_real": 58.18169850527464,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 7023,
      "floor_total": 814324,
      "cost_total": 14266608,
      "price_per_tsubo": 57.91602612758559,
      "price_per_sqm": 175195.72062225846,
      "cost_per_unit": 2031.4122170012815,
      "floor_per_unit": 115.95101808344012,
      "yoy": -0.6553147089862654,
      "ratio_national": 0.9575044582107962,
      "rank_in_national": 43,
      "is_spliced": false,
      "price_per_tsubo_real": 57.91602612758558,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 7717,
      "floor_total": 885400,
      "cost_total": 15709410,
      "price_per_tsubo": 58.6537276755139,
      "price_per_sqm": 177427.26451321438,
      "cost_per_unit": 2035.688739147337,
      "floor_per_unit": 114.7337048075677,
      "yoy": 1.2737433785653618,
      "ratio_national": 0.9623402183483909,
      "rank_in_national": 42,
      "is_spliced": false,
      "price_per_tsubo_real": 53.95927109062916,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 6941,
      "floor_total": 779083,
      "cost_total": 14377428,
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      "price_per_sqm": 184542.95627038454,
      "cost_per_unit": 2071.3770350093646,
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      "ratio_national": 0.9701177622676239,
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      "is_spliced": false,
      "price_per_tsubo_real": 52.91069032168904,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 6045,
      "floor_total": 669884,
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      "price_per_tsubo": 71.79225187295114,
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      "cost_per_unit": 2406.609429280397,
      "floor_per_unit": 110.816211745244,
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      "ratio_national": 0.9901443620157752,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 62.48237760918288,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 5801,
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      "cost_total": 14655432,
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    {
      "fiscal_year": 2025,
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  ]
}