{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "all",
    "label": "分譲住宅"
  },
  "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": 4291,
    "price_per_tsubo": 53.41113160051688,
    "prev_price_per_tsubo": 53.74085968074165,
    "change_vs_prev": -0.6135519271250729,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8632,
      "floor_total": 875444,
      "cost_total": 13138551,
      "price_per_tsubo": 49.612871309061454,
      "price_per_sqm": 150078.71434380725,
      "cost_per_unit": 1522.074953660797,
      "floor_per_unit": 101.41844300278035,
      "yoy": null,
      "ratio_national": 1.0272785487427478,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 56.44240194432475,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 10044,
      "floor_total": 1014656,
      "cost_total": 15094909,
      "price_per_tsubo": 49.179819784350556,
      "price_per_sqm": 148768.7354137757,
      "cost_per_unit": 1502.8782357626444,
      "floor_per_unit": 101.02110712863401,
      "yoy": -0.8728612420216941,
      "ratio_national": 1.028870884798373,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 54.22251354393667,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 9945,
      "floor_total": 1017268,
      "cost_total": 14933255,
      "price_per_tsubo": 48.528219747844226,
      "price_per_sqm": 146797.64821069766,
      "cost_per_unit": 1501.5842131724485,
      "floor_per_unit": 102.28939165409754,
      "yoy": -1.3249337621885182,
      "ratio_national": 1.010564440457244,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 51.90183930250719,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 9915,
      "floor_total": 1022736,
      "cost_total": 15207411,
      "price_per_tsubo": 49.154920927482756,
      "price_per_sqm": 148693.41648284602,
      "cost_per_unit": 1533.7782148260212,
      "floor_per_unit": 103.15037821482602,
      "yoy": 1.2914159697077432,
      "ratio_national": 1.015807302833165,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 52.572107943831824,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 10648,
      "floor_total": 1102731,
      "cost_total": 16375351,
      "price_per_tsubo": 49.09036889530629,
      "price_per_sqm": 148498.1468735349,
      "cost_per_unit": 1537.8804470323066,
      "floor_per_unit": 103.56226521412472,
      "yoy": -0.13132364157740772,
      "ratio_national": 1.0150534095587183,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 52.2794130940429,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 10639,
      "floor_total": 1092761,
      "cost_total": 16058609,
      "price_per_tsubo": 48.580054601244,
      "price_per_sqm": 146954.4484109517,
      "cost_per_unit": 1509.4096249647523,
      "floor_per_unit": 102.71275495817277,
      "yoy": -1.0395405566224647,
      "ratio_national": 0.997831455291414,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 50.97592298136831,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 10963,
      "floor_total": 1126756,
      "cost_total": 16994035,
      "price_per_tsubo": 49.8588079075239,
      "price_per_sqm": 150822.6714568194,
      "cost_per_unit": 1550.1263340326552,
      "floor_per_unit": 102.77807169570373,
      "yoy": 2.63225991978846,
      "ratio_national": 1.016455572040007,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 50.9283022548763,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 11121,
      "floor_total": 1143194,
      "cost_total": 17361934,
      "price_per_tsubo": 50.20574617944111,
      "price_per_sqm": 151872.15818137603,
      "cost_per_unit": 1561.184605700926,
      "floor_per_unit": 102.7959715852891,
      "yoy": 0.6958414901549581,
      "ratio_national": 1.0256129790945103,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 50.15559058885226,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 9385,
      "floor_total": 962945,
      "cost_total": 14465061,
      "price_per_tsubo": 49.65855163398741,
      "price_per_sqm": 150216.89712288865,
      "cost_per_unit": 1541.2957911561002,
      "floor_per_unit": 102.60468833244539,
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      "ratio_national": 1.0154437356518018,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 49.65855163398741,
      "deflator": 100,
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    },
    {
      "fiscal_year": 2021,
      "units": 10762,
      "floor_total": 1097426,
      "cost_total": 16539341,
      "price_per_tsubo": 49.821662767594354,
      "price_per_sqm": 150710.30757426925,
      "cost_per_unit": 1536.8278201077867,
      "floor_per_unit": 101.9723099795577,
      "yoy": 0.3284653463298204,
      "ratio_national": 1.0164852723213236,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 45.16923188358509,
      "deflator": 110.3,
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    },
    {
      "fiscal_year": 2022,
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      "cost_total": 16572726,
      "price_per_tsubo": 50.98293111960424,
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      "deflator": 116.7,
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    },
    {
      "fiscal_year": 2023,
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      "price_per_tsubo": 52.24140361175414,
      "price_per_sqm": 158030.01283128734,
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      "price_per_tsubo_real": 45.506449139158654,
      "deflator": 114.8,
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    {
      "fiscal_year": 2024,
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    {
      "fiscal_year": 2025,
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  ]
}