{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "rowhouse",
    "label": "貸家・長屋建"
  },
  "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": 1699,
    "price_per_tsubo": 82.46836836244073,
    "prev_price_per_tsubo": 77.85587913064171,
    "change_vs_prev": 5.924394256802728,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 5111,
      "floor_total": 271153,
      "cost_total": 4578244,
      "price_per_tsubo": 55.816137873304,
      "price_per_sqm": 168843.56802248178,
      "cost_per_unit": 895.7628644100959,
      "floor_per_unit": 53.05282723537468,
      "yoy": null,
      "ratio_national": 1.0820828488146974,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 63.57191101743053,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 6582,
      "floor_total": 359895,
      "cost_total": 6167345,
      "price_per_tsubo": 56.649710130871505,
      "price_per_sqm": 171365.12038233373,
      "cost_per_unit": 937.0016712245518,
      "floor_per_unit": 54.678669097538744,
      "yoy": 1.4934251801147713,
      "ratio_national": 1.0505590820100306,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 62.665608551849004,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 6359,
      "floor_total": 337046,
      "cost_total": 6067721,
      "price_per_tsubo": 59.51297865748295,
      "price_per_sqm": 180026.49489980596,
      "cost_per_unit": 954.1942129265608,
      "floor_per_unit": 53.00298789117786,
      "yoy": 5.054339236682326,
      "ratio_national": 1.0743812680140454,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 63.71839256689823,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 6081,
      "floor_total": 320268,
      "cost_total": 5934834,
      "price_per_tsubo": 61.259054569485556,
      "price_per_sqm": 185308.36674285287,
      "cost_per_unit": 975.9634928465713,
      "floor_per_unit": 52.6669955599408,
      "yoy": 2.933941387897687,
      "ratio_national": 1.085906446132433,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 65.72859932348236,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 6548,
      "floor_total": 340765,
      "cost_total": 6454396,
      "price_per_tsubo": 62.614639862779335,
      "price_per_sqm": 189409.00620662334,
      "cost_per_unit": 985.7049480757483,
      "floor_per_unit": 52.04108124618204,
      "yoy": 2.212873350430433,
      "ratio_national": 1.108188006440706,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 66.96752926500463,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 5577,
      "floor_total": 289796,
      "cost_total": 5469918,
      "price_per_tsubo": 62.39699728505569,
      "price_per_sqm": 188750.63838010185,
      "cost_per_unit": 980.7993544916621,
      "floor_per_unit": 51.96270396270396,
      "yoy": -0.3475905606110774,
      "ratio_national": 1.1015584463941857,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 65.54306437505849,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 4291,
      "floor_total": 227677,
      "cost_total": 4250525,
      "price_per_tsubo": 61.716128725123745,
      "price_per_sqm": 186691.01402425364,
      "cost_per_unit": 990.5674667909578,
      "floor_per_unit": 53.05919366115125,
      "yoy": -1.0911880211502023,
      "ratio_national": 1.0742488467520965,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 62.91144620298038,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 3707,
      "floor_total": 194918,
      "cost_total": 3476386,
      "price_per_tsubo": 58.95916269887851,
      "price_per_sqm": 178351.20409608143,
      "cost_per_unit": 937.7895872673321,
      "floor_per_unit": 52.58106285405989,
      "yoy": -4.4671726551813284,
      "ratio_national": 1.0207817326160356,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 58.8414797393997,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 3065,
      "floor_total": 162104,
      "cost_total": 2863740,
      "price_per_tsubo": 58.40030507945516,
      "price_per_sqm": 176660.66229087499,
      "cost_per_unit": 934.3360522022839,
      "floor_per_unit": 52.88874388254486,
      "yoy": -0.9478723812235912,
      "ratio_national": 1.0034418144541517,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 58.40030507945516,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 3606,
      "floor_total": 186000,
      "cost_total": 3419283,
      "price_per_tsubo": 60.77113735790322,
      "price_per_sqm": 183832.4193548387,
      "cost_per_unit": 948.220465890183,
      "floor_per_unit": 51.58069883527454,
      "yoy": 4.059623105089072,
      "ratio_national": 1.0442471779674896,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 55.90721008086773,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 4085,
      "floor_total": 216626,
      "cost_total": 4121426,
      "price_per_tsubo": 62.894430292485666,
      "price_per_sqm": 190255.3710080969,
      "cost_per_unit": 1008.9170134638923,
      "floor_per_unit": 53.02962056303549,
      "yoy": 3.493916729051172,
      "ratio_national": 1.0395242651341485,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 54.548508493049155,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 3797,
      "floor_total": 205975,
      "cost_total": 4462958,
      "price_per_tsubo": 71.62811956217988,
      "price_per_sqm": 216674.74208034956,
      "cost_per_unit": 1175.3905715038188,
      "floor_per_unit": 54.24677376876481,
      "yoy": 13.886268194304119,
      "ratio_national": 1.0679519852762145,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 62.33952964506516,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4012,
      "floor_total": 218960,
      "cost_total": 5077555,
      "price_per_tsubo": 76.65934665441176,
      "price_per_sqm": 231894.18158567775,
      "cost_per_unit": 1265.5919740777667,
      "floor_per_unit": 54.57627118644068,
      "yoy": 7.024094898741984,
      "ratio_national": 1.0781535881318511,
      "rank_in_national": 6,
      "is_spliced": true,
      "price_per_tsubo_real": 64.25762502465362,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 3909,
      "floor_total": 203247,
      "cost_total": 4938883,
      "price_per_tsubo": 80.33038634061019,
      "price_per_sqm": 242999.06025673196,
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      "price_per_tsubo_real": 65.522337961346,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}