{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "all",
    "building_type": "rowhouse",
    "label": "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": 1714,
    "price_per_tsubo": 82.50797582142617,
    "prev_price_per_tsubo": 79.12245363583578,
    "change_vs_prev": 4.278838724052193,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 5198,
      "floor_total": 277684,
      "cost_total": 4745869,
      "price_per_tsubo": 56.49892064904712,
      "price_per_sqm": 170908.9828726178,
      "cost_per_unit": 913.0182762601,
      "floor_per_unit": 53.4213158907272,
      "yoy": null,
      "ratio_national": 1.083827660686397,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 64.3495679374113,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 6668,
      "floor_total": 366088,
      "cost_total": 6342218,
      "price_per_tsubo": 57.270494641233796,
      "price_per_sqm": 173242.99075632088,
      "cost_per_unit": 951.1424715056988,
      "floor_per_unit": 54.90221955608878,
      "yoy": 1.3656437739393956,
      "ratio_national": 1.0541701384693334,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 63.35231708101083,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 6453,
      "floor_total": 343463,
      "cost_total": 6168833,
      "price_per_tsubo": 59.37427450138734,
      "price_per_sqm": 179606.91544649642,
      "cost_per_unit": 955.9635828296916,
      "floor_per_unit": 53.22532155586549,
      "yoy": 3.6734096210142786,
      "ratio_national": 1.0661215062387555,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 63.56988704645325,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 6222,
      "floor_total": 331971,
      "cost_total": 6130446,
      "price_per_tsubo": 61.0474019789078,
      "price_per_sqm": 184668.11860072115,
      "cost_per_unit": 985.2854387656702,
      "floor_per_unit": 53.35438765670202,
      "yoy": 2.8179333416214813,
      "ratio_national": 1.078237400575371,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 65.50150426921437,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 6650,
      "floor_total": 347142,
      "cost_total": 6588200,
      "price_per_tsubo": 62.7386074805123,
      "price_per_sqm": 189784.00769713835,
      "cost_per_unit": 990.7067669172932,
      "floor_per_unit": 52.2018045112782,
      "yoy": 2.770315274331936,
      "ratio_national": 1.1062752084774308,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 67.10011495241957,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 5646,
      "floor_total": 293969,
      "cost_total": 5573526,
      "price_per_tsubo": 62.67635878456572,
      "price_per_sqm": 189595.70566964545,
      "cost_per_unit": 987.163655685441,
      "floor_per_unit": 52.06677293659228,
      "yoy": -0.09921912271628752,
      "ratio_national": 1.1011292398666142,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 65.83651132832533,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 4376,
      "floor_total": 232861,
      "cost_total": 4367014,
      "price_per_tsubo": 61.99591692494665,
      "price_per_sqm": 187537.37208033976,
      "cost_per_unit": 997.9465265082267,
      "floor_per_unit": 53.2132084095064,
      "yoy": -1.085643570900352,
      "ratio_national": 1.073693566421764,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 63.196653338375796,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 3775,
      "floor_total": 199298,
      "cost_total": 3585444,
      "price_per_tsubo": 59.47237263173739,
      "price_per_sqm": 179903.6618531044,
      "cost_per_unit": 949.7864900662252,
      "floor_per_unit": 52.79417218543046,
      "yoy": -4.070500798083687,
      "ratio_national": 1.0223340021028477,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 59.353665301135116,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 3132,
      "floor_total": 166081,
      "cost_total": 2939697,
      "price_per_tsubo": 58.51374296656451,
      "price_per_sqm": 177003.81139323584,
      "cost_per_unit": 938.6005747126437,
      "floor_per_unit": 53.02713920817369,
      "yoy": -1.6118907364077728,
      "ratio_national": 0.9990931825575461,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 58.51374296656451,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 3661,
      "floor_total": 189907,
      "cost_total": 3498778,
      "price_per_tsubo": 60.90468136835399,
      "price_per_sqm": 184236.38939059645,
      "cost_per_unit": 955.6891559683147,
      "floor_per_unit": 51.87298552308113,
      "yoy": 4.086114270891361,
      "ratio_national": 1.0360745212916473,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 56.03006565625942,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 4167,
      "floor_total": 221907,
      "cost_total": 4240883,
      "price_per_tsubo": 63.177225651151154,
      "price_per_sqm": 191110.82570626432,
      "cost_per_unit": 1017.7305015598752,
      "floor_per_unit": 53.25341972642189,
      "yoy": 3.731312982417112,
      "ratio_national": 1.0342065035108166,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 54.79377766795417,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 3844,
      "floor_total": 208804,
      "cost_total": 4532819,
      "price_per_tsubo": 71.76370051344801,
      "price_per_sqm": 217084.87385299132,
      "cost_per_unit": 1179.1932882414153,
      "floor_per_unit": 54.31945889698231,
      "yoy": 13.591092001584926,
      "ratio_national": 1.0565107899095951,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 62.457528732330736,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4079,
      "floor_total": 223256,
      "cost_total": 5202356,
      "price_per_tsubo": 77.03218028290392,
      "price_per_sqm": 233022.00164833196,
      "cost_per_unit": 1275.399852905124,
      "floor_per_unit": 54.73302279970581,
      "yoy": 7.341427116719879,
      "ratio_national": 1.0715918359748182,
      "rank_in_national": 6,
      "is_spliced": true,
      "price_per_tsubo_real": 64.57014273504102,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 3976,
      "floor_total": 207208,
      "cost_total": 5070761,
      "price_per_tsubo": 80.89876359112583,
      "price_per_sqm": 244718.39890351723,
      "cost_per_unit": 1275.3423038229375,
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      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}