{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "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": 6628,
    "price_per_tsubo": 111.15075977167713,
    "prev_price_per_tsubo": 98.40827926592618,
    "change_vs_prev": 12.94858583119543,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8018,
      "floor_total": 362969,
      "cost_total": 6954932,
      "price_per_tsubo": 63.34299804192644,
      "price_per_sqm": 191612.28644870498,
      "cost_per_unit": 867.4148166625093,
      "floor_per_unit": 45.269269144425046,
      "yoy": null,
      "ratio_national": 1.075959962584505,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 72.14464469467704,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 9019,
      "floor_total": 404509,
      "cost_total": 8094588,
      "price_per_tsubo": 66.15182372832248,
      "price_per_sqm": 200108.97161744238,
      "cost_per_unit": 897.5039361348265,
      "floor_per_unit": 44.85075950770595,
      "yoy": 4.434311247056688,
      "ratio_national": 1.07959677848017,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 73.17679615964876,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 8782,
      "floor_total": 362978,
      "cost_total": 7364213,
      "price_per_tsubo": 67.06891793240914,
      "price_per_sqm": 202883.1774928508,
      "cost_per_unit": 838.5576178547028,
      "floor_per_unit": 41.332042814848556,
      "yoy": 1.3863475750163001,
      "ratio_national": 1.0207801586162293,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 71.80826331093054,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 10797,
      "floor_total": 436600,
      "cost_total": 9458689,
      "price_per_tsubo": 71.61804743314246,
      "price_per_sqm": 216644.2739349519,
      "cost_per_unit": 876.0478836713902,
      "floor_per_unit": 40.43715846994535,
      "yoy": 6.7827685923274705,
      "ratio_national": 1.0555805377146972,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 76.84339853341467,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 13070,
      "floor_total": 495680,
      "cost_total": 11053812,
      "price_per_tsubo": 73.72010404188185,
      "price_per_sqm": 223002.98579728857,
      "cost_per_unit": 845.7392501912777,
      "floor_per_unit": 37.925019127773524,
      "yoy": 2.9350934353547187,
      "ratio_national": 1.0724316864451435,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 78.8450310608362,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 13798,
      "floor_total": 521556,
      "cost_total": 11177185,
      "price_per_tsubo": 70.84460039027448,
      "price_per_sqm": 214304.6000812952,
      "cost_per_unit": 810.0583417886651,
      "floor_per_unit": 37.79939121611828,
      "yoy": -3.900569171706192,
      "ratio_national": 1.020993163298349,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 74.41659704860764,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 11663,
      "floor_total": 439070,
      "cost_total": 9774624,
      "price_per_tsubo": 73.59385581561027,
      "price_per_sqm": 222621.08547611997,
      "cost_per_unit": 838.0883134699477,
      "floor_per_unit": 37.646403155277376,
      "yoy": 3.8806844984522026,
      "ratio_national": 1.0234829789272932,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 75.01922101489325,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 9735,
      "floor_total": 395251,
      "cost_total": 9057215,
      "price_per_tsubo": 75.75249847527267,
      "price_per_sqm": 229150.96989001925,
      "cost_per_unit": 930.3764766307139,
      "floor_per_unit": 40.6010272213662,
      "yoy": 2.933183260666339,
      "ratio_national": 1.0153617065814289,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 75.60129588350566,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 10198,
      "floor_total": 415455,
      "cost_total": 9849186,
      "price_per_tsubo": 78.3703182942557,
      "price_per_sqm": 237069.86316207531,
      "cost_per_unit": 965.7958423220239,
      "floor_per_unit": 40.738870366738574,
      "yoy": 3.455753766111802,
      "ratio_national": 1.023072145374236,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 78.3703182942557,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 11642,
      "floor_total": 467784,
      "cost_total": 11137148,
      "price_per_tsubo": 78.7052838209943,
      "price_per_sqm": 238083.1323858875,
      "cost_per_unit": 956.6352860333276,
      "floor_per_unit": 40.18072496134685,
      "yoy": 0.42741376330883707,
      "ratio_national": 0.9966087129955811,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 72.40596487671968,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 12169,
      "floor_total": 493803,
      "cost_total": 13039559,
      "price_per_tsubo": 87.29400944629741,
      "price_per_sqm": 264063.98908066575,
      "cost_per_unit": 1071.539074698003,
      "floor_per_unit": 40.57876571616402,
      "yoy": 10.912514647475424,
      "ratio_national": 1.0434507192550893,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 75.71032909479393,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 12045,
      "floor_total": 499115,
      "cost_total": 13976313,
      "price_per_tsubo": 92.5693592704487,
      "price_per_sqm": 280021.89876080665,
      "cost_per_unit": 1160.3414694894147,
      "floor_per_unit": 41.43752594437526,
      "yoy": 6.043197989888016,
      "ratio_national": 1.0174565173661965,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 80.56515167140878,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 13367,
      "floor_total": 537406,
      "cost_total": 16722533,
      "price_per_tsubo": 102.86670109018135,
      "price_per_sqm": 311171.3118201137,
      "cost_per_unit": 1251.0311214184185,
      "floor_per_unit": 40.20393506396349,
      "yoy": 11.123920378068242,
      "ratio_national": 1.0431977402144952,
      "rank_in_national": 7,
      "is_spliced": true,
      "price_per_tsubo_real": 86.22523142513106,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 11832,
      "floor_total": 463122,
      "cost_total": 14454247,
      "price_per_tsubo": 103.17520046581679,
      "price_per_sqm": 312104.5210549272,
      "cost_per_unit": 1221.6233096686951,
      "floor_per_unit": 39.14148073022312,
      "yoy": 0.2999020794542506,
      "ratio_national": 0.9687703715713101,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 84.15595470295007,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}