{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 2677,
    "price_per_tsubo": 124.98885953891788,
    "prev_price_per_tsubo": 116.20006470948682,
    "change_vs_prev": 7.563502525927191,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8192,
      "floor_total": 590544,
      "cost_total": 12260845,
      "price_per_tsubo": 68.6346466860217,
      "price_per_sqm": 207619.49998645316,
      "cost_per_unit": 1496.6851806640625,
      "floor_per_unit": 72.087890625,
      "yoy": null,
      "ratio_national": 1.0006100284835548,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 78.17157936904522,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 9799,
      "floor_total": 669317,
      "cost_total": 13882835,
      "price_per_tsubo": 68.5680135341699,
      "price_per_sqm": 207417.93499940986,
      "cost_per_unit": 1416.7603837126237,
      "floor_per_unit": 68.3046229207062,
      "yoy": -0.09708384186285501,
      "ratio_national": 0.982097298776894,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 75.93356980528229,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 9550,
      "floor_total": 608446,
      "cost_total": 13196876,
      "price_per_tsubo": 71.70085876485342,
      "price_per_sqm": 216894.77784388425,
      "cost_per_unit": 1381.871832460733,
      "floor_per_unit": 63.711623036649215,
      "yoy": 4.568960174298042,
      "ratio_national": 0.9859048036497169,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 76.60348158638186,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 10010,
      "floor_total": 641390,
      "cost_total": 14499542,
      "price_per_tsubo": 74.73213013639128,
      "price_per_sqm": 226064.36021765228,
      "cost_per_unit": 1448.5056943056943,
      "floor_per_unit": 64.07492507492508,
      "yoy": 4.227663969101214,
      "ratio_national": 1.0048403272466764,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 80.01298729806346,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 10723,
      "floor_total": 652502,
      "cost_total": 15253924,
      "price_per_tsubo": 77.28140207993233,
      "price_per_sqm": 233775.896472348,
      "cost_per_unit": 1422.5425720414064,
      "floor_per_unit": 60.85069476825515,
      "yoy": 3.4112127392708524,
      "ratio_national": 1.0166038656430476,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 82.74240051384618,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 10936,
      "floor_total": 653710,
      "cost_total": 15168770,
      "price_per_tsubo": 76.70797169738876,
      "price_per_sqm": 232041.2721237246,
      "cost_per_unit": 1387.049195318215,
      "floor_per_unit": 59.775969275786395,
      "yoy": -0.7420030785032616,
      "ratio_national": 0.9817740556473425,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 80.57560052246718,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 9866,
      "floor_total": 616573,
      "cost_total": 14557977,
      "price_per_tsubo": 78.05339316971389,
      "price_per_sqm": 236111.16607441453,
      "cost_per_unit": 1475.5703425907157,
      "floor_per_unit": 62.494729373606326,
      "yoy": 1.7539526108613313,
      "ratio_national": 0.9782312346189761,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 79.56513065210386,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 7776,
      "floor_total": 510961,
      "cost_total": 12857908,
      "price_per_tsubo": 83.18745205078274,
      "price_per_sqm": 251641.67128215265,
      "cost_per_unit": 1653.5375514403293,
      "floor_per_unit": 65.71000514403292,
      "yoy": 6.577624203864807,
      "ratio_national": 1.0020726356213014,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 83.0214092323181,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 7921,
      "floor_total": 540143,
      "cost_total": 14232539,
      "price_per_tsubo": 87.10616466530159,
      "price_per_sqm": 263495.75945629214,
      "cost_per_unit": 1796.8108824643352,
      "floor_per_unit": 68.1912637293271,
      "yoy": 4.710701575673482,
      "ratio_national": 1.0170663945600311,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 87.10616466530159,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 8368,
      "floor_total": 535500,
      "cost_total": 14286974,
      "price_per_tsubo": 88.19745243596638,
      "price_per_sqm": 266796.9000933707,
      "cost_per_unit": 1707.3343690248566,
      "floor_per_unit": 63.99378585086042,
      "yoy": 1.2528249577489436,
      "ratio_national": 1.0027819881731015,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 81.43809089193572,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 8421,
      "floor_total": 524164,
      "cost_total": 14823985,
      "price_per_tsubo": 93.49169605915324,
      "price_per_sqm": 282811.9634312925,
      "cost_per_unit": 1760.3592209951312,
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      "yoy": 6.002717172619709,
      "ratio_national": 1.0086119622323322,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 80.31932651130003,
      "deflator": 116.4,
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    },
    {
      "fiscal_year": 2023,
      "units": 7156,
      "floor_total": 443231,
      "cost_total": 13665975,
      "price_per_tsubo": 101.92618182223265,
      "price_per_sqm": 308326.24523104203,
      "cost_per_unit": 1909.7226103968699,
      "floor_per_unit": 61.93837339295696,
      "yoy": 9.021641620174293,
      "ratio_national": 1.0083045615685242,
      "rank_in_national": 9,
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      "price_per_tsubo_real": 87.11639471985697,
      "deflator": 117,
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    },
    {
      "fiscal_year": 2024,
      "units": 6355,
      "floor_total": 409812,
      "cost_total": 13724417,
      "price_per_tsubo": 110.70939961355451,
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      "deflator": 121.4,
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    {
      "fiscal_year": 2025,
      "units": 6100,
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  ]
}