{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "detached",
    "label": "分譲住宅・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": 4217,
    "price_per_tsubo": 53.29755709857182,
    "prev_price_per_tsubo": 53.72993051165335,
    "change_vs_prev": -0.8047161218415368,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8603,
      "floor_total": 874286,
      "cost_total": 13121109,
      "price_per_tsubo": 49.61263353308872,
      "price_per_sqm": 150077.99507255064,
      "cost_per_unit": 1525.1783098918982,
      "floor_per_unit": 101.62571196094386,
      "yoy": null,
      "ratio_national": 1.027301158001925,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 56.442131436961,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 9973,
      "floor_total": 1012669,
      "cost_total": 15062321,
      "price_per_tsubo": 49.16993621666112,
      "price_per_sqm": 148738.83766561432,
      "cost_per_unit": 1510.3099368294395,
      "floor_per_unit": 101.5410608643337,
      "yoy": -0.8923076339665492,
      "ratio_national": 1.0289404133412272,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 54.21161655640697,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 9893,
      "floor_total": 1015790,
      "cost_total": 14908312,
      "price_per_tsubo": 48.51765495474458,
      "price_per_sqm": 146765.68975870998,
      "cost_per_unit": 1506.9556251895278,
      "floor_per_unit": 102.67765086424745,
      "yoy": -1.3265855360119816,
      "ratio_national": 1.0105782034620179,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 51.89054005855035,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 9799,
      "floor_total": 1014323,
      "cost_total": 15086948,
      "price_per_tsubo": 49.170019637649936,
      "price_per_sqm": 148739.0900137333,
      "cost_per_unit": 1539.6415960812328,
      "floor_per_unit": 103.51290948055924,
      "yoy": 1.3445923623346179,
      "ratio_national": 1.0162134263555602,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 52.588256296951805,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 10578,
      "floor_total": 1099990,
      "cost_total": 16319761,
      "price_per_tsubo": 49.04563015681052,
      "price_per_sqm": 148362.81238920355,
      "cost_per_unit": 1542.8021365097372,
      "floor_per_unit": 103.98846662885234,
      "yoy": -0.25297830213630856,
      "ratio_national": 1.0141938631233434,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 52.231768005123016,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 10542,
      "floor_total": 1090639,
      "cost_total": 16012694,
      "price_per_tsubo": 48.535403280333824,
      "price_per_sqm": 146819.37836442672,
      "cost_per_unit": 1518.9427053690001,
      "floor_per_unit": 103.45655473344716,
      "yoy": -1.0403105737358809,
      "ratio_national": 0.9970064057260505,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 50.92906954914357,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 10874,
      "floor_total": 1123665,
      "cost_total": 16943187,
      "price_per_tsubo": 49.84636715812097,
      "price_per_sqm": 150785.03824538452,
      "cost_per_unit": 1558.137483906566,
      "floor_per_unit": 103.33501931212065,
      "yoy": 2.7010466364422614,
      "ratio_national": 1.0160066192751136,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 50.91559464568025,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 11045,
      "floor_total": 1140939,
      "cost_total": 17325304,
      "price_per_tsubo": 50.19884210300463,
      "price_per_sqm": 151851.27338096077,
      "cost_per_unit": 1568.6105930285196,
      "floor_per_unit": 103.29913988229968,
      "yoy": 0.7071226349666615,
      "ratio_national": 1.02485646082752,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 50.14869340959503,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 9289,
      "floor_total": 959552,
      "cost_total": 14416192,
      "price_per_tsubo": 49.66578502434469,
      "price_per_sqm": 150238.77809644502,
      "cost_per_unit": 1551.9638281838734,
      "floor_per_unit": 103.29981698783507,
      "yoy": -1.0618911837969036,
      "ratio_national": 1.0154391233210072,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 49.66578502434469,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 10665,
      "floor_total": 1094186,
      "cost_total": 16479041,
      "price_per_tsubo": 49.78700965593601,
      "price_per_sqm": 150605.4820661204,
      "cost_per_unit": 1545.1515236755743,
      "floor_per_unit": 102.59596812001875,
      "yoy": 0.24408077216919732,
      "ratio_national": 1.015777991847984,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 45.1378147379293,
      "deflator": 110.3,
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    },
    {
      "fiscal_year": 2022,
      "units": 10567,
      "floor_total": 1072554,
      "cost_total": 16532428,
      "price_per_tsubo": 50.95569561823461,
      "price_per_sqm": 154140.75188755064,
      "cost_per_unit": 1564.533737106085,
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      "ratio_national": 1.0057933440126678,
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      "is_spliced": false,
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      "deflator": 116.7,
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    },
    {
      "fiscal_year": 2023,
      "units": 10582,
      "floor_total": 1063426,
      "cost_total": 16798730,
      "price_per_tsubo": 52.22091019657221,
      "price_per_sqm": 157968.02034180093,
      "cost_per_unit": 1587.4815724815726,
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      "is_spliced": false,
      "price_per_tsubo_real": 45.48859773220576,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 9167,
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      "price_per_tsubo": 52.68678013840988,
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    {
      "fiscal_year": 2025,
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  ]
}