{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "apartment",
    "label": "貸家・共同住宅"
  },
  "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": 2012,
    "price_per_tsubo": 124.5083337818182,
    "prev_price_per_tsubo": 112.43454070634336,
    "change_vs_prev": 10.738508824444963,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 3949,
      "floor_total": 187068,
      "cost_total": 3557949,
      "price_per_tsubo": 62.87463502421579,
      "price_per_sqm": 190195.49040990442,
      "cost_per_unit": 900.9746771334515,
      "floor_per_unit": 47.370979994935425,
      "yoy": null,
      "ratio_national": 0.9995324761394946,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 71.61120162211367,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 4682,
      "floor_total": 221266,
      "cost_total": 4271963,
      "price_per_tsubo": 63.82459377297009,
      "price_per_sqm": 193069.11138629523,
      "cost_per_unit": 912.4226826142674,
      "floor_per_unit": 47.25886373344724,
      "yoy": 1.5108775556127219,
      "ratio_national": 0.980857354601493,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 70.68061325910308,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 5080,
      "floor_total": 227536,
      "cost_total": 4705547,
      "price_per_tsubo": 68.3652266767896,
      "price_per_sqm": 206804.50566064272,
      "cost_per_unit": 926.2887795275591,
      "floor_per_unit": 44.79055118110236,
      "yoy": 7.1142370603578975,
      "ratio_national": 0.9939911550998584,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 73.03977209058718,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 5587,
      "floor_total": 249220,
      "cost_total": 5331830,
      "price_per_tsubo": 70.72430100192601,
      "price_per_sqm": 213940.6949683011,
      "cost_per_unit": 954.3279040630034,
      "floor_per_unit": 44.60712367997136,
      "yoy": 3.4506933419374164,
      "ratio_national": 1.0012069324277968,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 75.72194968086295,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 6450,
      "floor_total": 275546,
      "cost_total": 6136949,
      "price_per_tsubo": 73.6264167678355,
      "price_per_sqm": 222719.58221131863,
      "cost_per_unit": 951.4649612403101,
      "floor_per_unit": 42.72031007751938,
      "yoy": 4.103420924344592,
      "ratio_national": 1.0173962117912685,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 78.82914000838917,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 7255,
      "floor_total": 307967,
      "cost_total": 6806044,
      "price_per_tsubo": 73.05767239593852,
      "price_per_sqm": 220999.13302399282,
      "cost_per_unit": 938.1177119228118,
      "floor_per_unit": 42.44893177119228,
      "yoy": -0.7724732465120177,
      "ratio_national": 0.9757548260011244,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 76.74125251674214,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 6186,
      "floor_total": 260565,
      "cost_total": 5968248,
      "price_per_tsubo": 75.71920463577226,
      "price_per_sqm": 229050.25617408325,
      "cost_per_unit": 964.7992240543161,
      "floor_per_unit": 42.12172647914646,
      "yoy": 3.643056440957304,
      "ratio_national": 0.9975366464911047,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 77.18573357367204,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 4850,
      "floor_total": 216364,
      "cost_total": 5247561,
      "price_per_tsubo": 80.1766221653787,
      "price_per_sqm": 242533.92431273224,
      "cost_per_unit": 1081.9713402061855,
      "floor_per_unit": 44.61113402061856,
      "yoy": 5.886772782476668,
      "ratio_national": 1.0225673685473937,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 80.01658898740389,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 4651,
      "floor_total": 212685,
      "cost_total": 5346058,
      "price_per_tsubo": 83.09445929811693,
      "price_per_sqm": 251360.36862026,
      "cost_per_unit": 1149.4427004945173,
      "floor_per_unit": 45.72887551064287,
      "yoy": 3.6392617373174785,
      "ratio_national": 1.0278500617473587,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 83.09445929811693,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5383,
      "floor_total": 241557,
      "cost_total": 6313685,
      "price_per_tsubo": 86.4049343887778,
      "price_per_sqm": 261374.54099860488,
      "cost_per_unit": 1172.893368010403,
      "floor_per_unit": 44.87404792866431,
      "yoy": 3.983990170492513,
      "ratio_national": 1.0427962093096825,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 79.7829495741254,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5629,
      "floor_total": 267609,
      "cost_total": 7448012,
      "price_per_tsubo": 92.00573818324496,
      "price_per_sqm": 278316.9474868185,
      "cost_per_unit": 1323.150115473441,
      "floor_per_unit": 47.54112631017943,
      "yoy": 6.482041603395494,
      "ratio_national": 1.0416093243192264,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 79.04273039797677,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 4836,
      "floor_total": 235620,
      "cost_total": 7112940,
      "price_per_tsubo": 99.7957979908327,
      "price_per_sqm": 301881.8436465495,
      "cost_per_unit": 1470.831265508685,
      "floor_per_unit": 48.72208436724566,
      "yoy": 8.46692821709938,
      "ratio_national": 1.0138178202299277,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 85.29555383831854,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4310,
      "floor_total": 217585,
      "cost_total": 7133023,
      "price_per_tsubo": 108.37270998998092,
      "price_per_sqm": 327826.96417492017,
      "cost_per_unit": 1654.99373549884,
      "floor_per_unit": 50.48375870069606,
      "yoy": 8.594462063358721,
      "ratio_national": 1.0080774232896559,
      "rank_in_national": 6,
      "is_spliced": true,
      "price_per_tsubo_real": 89.26911860789201,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 4036,
      "floor_total": 216121,
      "cost_total": 7579628,
      "price_per_tsubo": 115.93810155477719,
      "price_per_sqm": 350712.23990264715,
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      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}