{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "all",
    "building_type": "all",
    "label": "新築住宅すべて"
  },
  "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": 18452,
    "price_per_tsubo": 86.12236985625908,
    "prev_price_per_tsubo": 80.92387784695093,
    "change_vs_prev": 6.423928446854603,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 42555,
      "floor_total": 3777793,
      "cost_total": 66039444,
      "price_per_tsubo": 57.788378977027065,
      "price_per_sqm": 174809.58856136375,
      "cost_per_unit": 1551.8609799083538,
      "floor_per_unit": 88.77436258958994,
      "yoy": null,
      "ratio_national": 1.0221320183418887,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 65.81819929046362,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 47105,
      "floor_total": 4135805,
      "cost_total": 72911019,
      "price_per_tsubo": 58.27850140420305,
      "price_per_sqm": 176292.20671670933,
      "cost_per_unit": 1547.8403354208683,
      "floor_per_unit": 87.79970279163571,
      "yoy": 0.8481331988405838,
      "ratio_national": 1.0095216456613392,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 64.46736880995913,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 42975,
      "floor_total": 3660643,
      "cost_total": 66328352,
      "price_per_tsubo": 59.89865790192597,
      "price_per_sqm": 181193.17289339605,
      "cost_per_unit": 1543.4171495055264,
      "floor_per_unit": 85.18075625363583,
      "yoy": 2.780024294869876,
      "ratio_national": 0.9948238934620702,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 64.13132537679441,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 44605,
      "floor_total": 3696876,
      "cost_total": 68274030,
      "price_per_tsubo": 61.0514406308732,
      "price_per_sqm": 184680.33550489656,
      "cost_per_unit": 1530.636251541307,
      "floor_per_unit": 82.88030489855397,
      "yoy": 1.9245551892576929,
      "ratio_national": 0.9850751113533592,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 65.50583758677382,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 48228,
      "floor_total": 3869875,
      "cost_total": 73230699,
      "price_per_tsubo": 62.55636485602506,
      "price_per_sqm": 189232.72457120707,
      "cost_per_unit": 1518.4270340880817,
      "floor_per_unit": 80.24124989632578,
      "yoy": 2.4650101776481748,
      "ratio_national": 1.0004703163783875,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 66.90520305457225,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 48844,
      "floor_total": 3916212,
      "cost_total": 74981769,
      "price_per_tsubo": 63.29432169211218,
      "price_per_sqm": 191465.0407077043,
      "cost_per_unit": 1535.1275284579478,
      "floor_per_unit": 80.17795430349685,
      "yoy": 1.1796670695068956,
      "ratio_national": 1.0051017824325015,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 66.4856320295296,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 44340,
      "floor_total": 3649191,
      "cost_total": 68843746,
      "price_per_tsubo": 62.36532072159008,
      "price_per_sqm": 188654.81691695502,
      "cost_per_unit": 1552.6329724853406,
      "floor_per_unit": 82.30020297699593,
      "yoy": -1.4677477310541587,
      "ratio_national": 0.9797967642149569,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 63.57321174474014,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 41630,
      "floor_total": 3540073,
      "cost_total": 66781905,
      "price_per_tsubo": 62.36226024998637,
      "price_per_sqm": 188645.55900400924,
      "cost_per_unit": 1604.1773961085755,
      "floor_per_unit": 85.0365841940908,
      "yoy": -0.004907329214853817,
      "ratio_national": 0.9664659111511907,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 62.23778468062512,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 40993,
      "floor_total": 3437976,
      "cost_total": 67474359,
      "price_per_tsubo": 64.88005187895726,
      "price_per_sqm": 196261.86744759127,
      "cost_per_unit": 1645.9970970653526,
      "floor_per_unit": 83.86739199375504,
      "yoy": 4.037364295133039,
      "ratio_national": 0.9906731872506714,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 64.88005187895726,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 43949,
      "floor_total": 3657518,
      "cost_total": 70192285,
      "price_per_tsubo": 63.44219053198098,
      "price_per_sqm": 191912.3432885361,
      "cost_per_unit": 1597.13042390043,
      "floor_per_unit": 83.22187080479647,
      "yoy": -2.2161840278099865,
      "ratio_national": 0.9582431594779913,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 58.36448071019409,
      "deflator": 108.7,
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    },
    {
      "fiscal_year": 2022,
      "units": 44484,
      "floor_total": 3572966,
      "cost_total": 71873389,
      "price_per_tsubo": 66.49890612513805,
      "price_per_sqm": 201158.89431917347,
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      "is_spliced": false,
      "price_per_tsubo_real": 57.674680073840456,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 40823,
      "floor_total": 3199650,
      "cost_total": 72121600,
      "price_per_tsubo": 74.51404499367118,
      "price_per_sqm": 225404.65363399123,
      "cost_per_unit": 1766.690346128408,
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      "is_spliced": false,
      "price_per_tsubo_real": 64.85121409370859,
      "deflator": 114.9,
      "deflator_provisional": true
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    {
      "fiscal_year": 2024,
      "units": 41757,
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      "cost_total": 80913744,
      "price_per_tsubo": 83.50110392870978,
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    {
      "fiscal_year": 2025,
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  ]
}