{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "wood",
    "name": "木造"
  },
  "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": 1450,
    "price_per_tsubo": 77.525619270267,
    "prev_price_per_tsubo": 72.40898736595787,
    "change_vs_prev": 7.0662939649321,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 3137,
      "floor_total": 160077,
      "cost_total": 2544988,
      "price_per_tsubo": 52.55718110984089,
      "price_per_sqm": 158985.2383540421,
      "cost_per_unit": 811.2808415683775,
      "floor_per_unit": 51.02868983104877,
      "yoy": null,
      "ratio_national": 1.0747952721801175,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 59.79201491449475,
      "deflator": 87.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 3784,
      "floor_total": 200163,
      "cost_total": 3209284,
      "price_per_tsubo": 53.00289741041051,
      "price_per_sqm": 160333.52817453776,
      "cost_per_unit": 848.1194503171247,
      "floor_per_unit": 52.89719873150106,
      "yoy": 0.8480597535056145,
      "ratio_national": 1.0435224177804823,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 58.43759361677014,
      "deflator": 90.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 3863,
      "floor_total": 201622,
      "cost_total": 3366054,
      "price_per_tsubo": 55.189749395700865,
      "price_per_sqm": 166948.74567259525,
      "cost_per_unit": 871.3574941755113,
      "floor_per_unit": 52.19311415997929,
      "yoy": 4.125910265541122,
      "ratio_national": 1.0688448289698742,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 59.02646994192607,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 3960,
      "floor_total": 202520,
      "cost_total": 3424234,
      "price_per_tsubo": 55.89471911347027,
      "price_per_sqm": 169081.27592336558,
      "cost_per_unit": 864.7055555555555,
      "floor_per_unit": 51.14141414141414,
      "yoy": 1.2773562581610998,
      "ratio_national": 1.0645895926990234,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 59.780448249700825,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 4459,
      "floor_total": 229617,
      "cost_total": 3952727,
      "price_per_tsubo": 56.90730821032415,
      "price_per_sqm": 172144.35342330925,
      "cost_per_unit": 886.4604171338865,
      "floor_per_unit": 51.49517829109666,
      "yoy": 1.811600653718748,
      "ratio_national": 1.0755250953268898,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 60.60416209832178,
      "deflator": 93.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 4110,
      "floor_total": 213256,
      "cost_total": 3760265,
      "price_per_tsubo": 58.28978520815359,
      "price_per_sqm": 176326.3401733128,
      "cost_per_unit": 914.9063260340632,
      "floor_per_unit": 51.88710462287105,
      "yoy": 2.4293487801600566,
      "ratio_national": 1.0972671209915137,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 61.16451753216536,
      "deflator": 95.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3127,
      "floor_total": 163609,
      "cost_total": 2862653,
      "price_per_tsubo": 57.84113136117206,
      "price_per_sqm": 174969.16428802817,
      "cost_per_unit": 915.4630636392709,
      "floor_per_unit": 52.32139430764311,
      "yoy": -0.7696954884623075,
      "ratio_national": 1.074670836335186,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 59.08185021570179,
      "deflator": 97.9,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 2798,
      "floor_total": 144985,
      "cost_total": 2379850,
      "price_per_tsubo": 54.26274670828017,
      "price_per_sqm": 164144.56667931165,
      "cost_per_unit": 850.553967119371,
      "floor_per_unit": 51.81736954967834,
      "yoy": -6.186574447425164,
      "ratio_national": 1.0051671953109318,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 54.20853817011007,
      "deflator": 100.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 2448,
      "floor_total": 128213,
      "cost_total": 2105412,
      "price_per_tsubo": 54.28505639428139,
      "price_per_sqm": 164212.05337992246,
      "cost_per_unit": 860.0539215686274,
      "floor_per_unit": 52.37459150326797,
      "yoy": 0.04111418487744434,
      "ratio_national": 0.9979346956821171,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 54.2850563942814,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 2709,
      "floor_total": 137801,
      "cost_total": 2336037,
      "price_per_tsubo": 56.04057847352342,
      "price_per_sqm": 169522.49983672108,
      "cost_per_unit": 862.3244739756368,
      "floor_per_unit": 50.867847914359544,
      "yoy": 3.2338956535135077,
      "ratio_national": 1.036749359856117,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 50.807414753874355,
      "deflator": 110.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 2969,
      "floor_total": 159509,
      "cost_total": 2726461,
      "price_per_tsubo": 56.50532264129296,
      "price_per_sqm": 170928.34887059664,
      "cost_per_unit": 918.3095318288986,
      "floor_per_unit": 53.72482317278545,
      "yoy": 0.8292993763244549,
      "ratio_national": 1.0207949646682033,
      "rank_in_national": 15,
      "is_spliced": false,
      "price_per_tsubo_real": 48.41929960693484,
      "deflator": 116.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 2783,
      "floor_total": 150863,
      "cost_total": 2991738,
      "price_per_tsubo": 65.55654841160522,
      "price_per_sqm": 198308.26644041282,
      "cost_per_unit": 1075.00467121811,
      "floor_per_unit": 54.20876751706791,
      "yoy": 16.01835959378772,
      "ratio_national": 1.0499532993921523,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 57.10500732718224,
      "deflator": 114.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 3304,
      "floor_total": 177547,
      "cost_total": 3815555,
      "price_per_tsubo": 71.04272988814229,
      "price_per_sqm": 214903.94092831758,
      "cost_per_unit": 1154.828995157385,
      "floor_per_unit": 53.73698547215496,
      "yoy": 8.36862465987589,
      "ratio_national": 1.0732606745815971,
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      "is_spliced": true,
      "price_per_tsubo_real": 59.80027768362146,
      "deflator": 118.8,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 3128,
      "floor_total": 159340,
      "cost_total": 3588886,
      "price_per_tsubo": 74.45778492494038,
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      "deflator": 122.3,
      "deflator_provisional": true
    }
  ]
}