{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "company",
    "building_type": "apartment",
    "label": "給与住宅・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": 32,
    "price_per_tsubo": 111.10261202830189,
    "prev_price_per_tsubo": 62.731050047770694,
    "change_vs_prev": 77.10944092868758,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 279,
      "floor_total": 15252,
      "cost_total": 397500,
      "price_per_tsubo": 86.15601396538159,
      "price_per_sqm": 260621.5578284815,
      "cost_per_unit": 1424.731182795699,
      "floor_per_unit": 54.666666666666664,
      "yoy": null,
      "ratio_national": 1.3598534449207602,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 98.1275785482706,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 236,
      "floor_total": 16526,
      "cost_total": 252450,
      "price_per_tsubo": 50.49901279801525,
      "price_per_sqm": 152759.28839404575,
      "cost_per_unit": 1069.7033898305085,
      "floor_per_unit": 70.02542372881356,
      "yoy": -41.386549268277086,
      "ratio_national": 0.821501037813325,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 55.86173982081333,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 21,
      "floor_total": 1428,
      "cost_total": 41000,
      "price_per_tsubo": 94.91413865546218,
      "price_per_sqm": 287114.84593837534,
      "cost_per_unit": 1952.3809523809523,
      "floor_per_unit": 68,
      "yoy": 87.95246361567007,
      "ratio_national": 1.2658439229754723,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 101.62113346409227,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 199,
      "floor_total": 10314,
      "cost_total": 241190,
      "price_per_tsubo": 77.30497286212913,
      "price_per_sqm": 233847.19798332363,
      "cost_per_unit": 1212.0100502512562,
      "floor_per_unit": 51.82914572864322,
      "yoy": -18.5527320194668,
      "ratio_national": 0.8752076599209552,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 82.94524985206988,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 78,
      "floor_total": 4025,
      "cost_total": 91320,
      "price_per_tsubo": 75.00242057142857,
      "price_per_sqm": 226881.98757763975,
      "cost_per_unit": 1170.7692307692307,
      "floor_per_unit": 51.6025641025641,
      "yoy": -2.978530624164488,
      "ratio_national": 0.9272663056427171,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 80.21649258976318,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 269,
      "floor_total": 13657,
      "cost_total": 218657,
      "price_per_tsubo": 52.92773845134363,
      "price_per_sqm": 160106.1726587098,
      "cost_per_unit": 812.8513011152417,
      "floor_per_unit": 50.76951672862454,
      "yoy": -29.4319595979734,
      "ratio_national": 0.6516897246506792,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 55.5963639194786,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 507,
      "floor_total": 33925,
      "cost_total": 653320,
      "price_per_tsubo": 63.662158372881365,
      "price_per_sqm": 192577.7450257922,
      "cost_per_unit": 1288.5996055226824,
      "floor_per_unit": 66.91321499013807,
      "yoy": 20.28127449920398,
      "ratio_national": 0.7832717743757623,
      "rank_in_national": 25,
      "is_spliced": false,
      "price_per_tsubo_real": 64.895166537086,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 14,
      "floor_total": 338,
      "cost_total": 6100,
      "price_per_tsubo": 59.66070710059171,
      "price_per_sqm": 180473.3727810651,
      "cost_per_unit": 435.7142857142857,
      "floor_per_unit": 24.142857142857142,
      "yoy": -6.2854470765072,
      "ratio_national": 0.5829819288179098,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 59.54162385288594,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 326,
      "floor_total": 13240,
      "cost_total": 314415,
      "price_per_tsubo": 78.50377362915408,
      "price_per_sqm": 237473.56495468278,
      "cost_per_unit": 964.463190184049,
      "floor_per_unit": 40.61349693251534,
      "yoy": 31.58371304046359,
      "ratio_national": 0.876281812935048,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 78.50377362915408,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 132,
      "floor_total": 5846,
      "cost_total": 141166,
      "price_per_tsubo": 79.82640286349641,
      "price_per_sqm": 241474.51248717072,
      "cost_per_unit": 1069.439393939394,
      "floor_per_unit": 44.28787878787879,
      "yoy": 1.6847970144598712,
      "ratio_national": 0.853041037012508,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 73.43735314029108,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 176,
      "floor_total": 10202,
      "cost_total": 336000,
      "price_per_tsubo": 108.87526367378946,
      "price_per_sqm": 329347.1868261125,
      "cost_per_unit": 1909.090909090909,
      "floor_per_unit": 57.96590909090909,
      "yoy": 36.390041099517866,
      "ratio_national": 1.154279093815448,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 94.42780891048523,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 76,
      "floor_total": 2443,
      "cost_total": 72500,
      "price_per_tsubo": 98.10469709373722,
      "price_per_sqm": 296766.2709783054,
      "cost_per_unit": 953.9473684210526,
      "floor_per_unit": 32.14473684210526,
      "yoy": -9.892574508313356,
      "ratio_national": 0.9341390020420367,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 85.38267806243447,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 363,
      "floor_total": 13800,
      "cost_total": 610020,
      "price_per_tsubo": 146.130291,
      "price_per_sqm": 442043.47826086957,
      "cost_per_unit": 1680.495867768595,
      "floor_per_unit": 38.01652892561984,
      "yoy": 48.95340929535232,
      "ratio_national": 1.152124323796209,
      "rank_in_national": 6,
      "is_spliced": true,
      "price_per_tsubo_real": 122.48976613579212,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 247,
      "floor_total": 13000,
      "cost_total": 377184,
      "price_per_tsubo": 95.91469964307693,
      "price_per_sqm": 290141.53846153844,
      "cost_per_unit": 1527.0607287449393,
      "floor_per_unit": 52.63157894736842,
      "yoy": -34.36357446035817,
      "ratio_national": 0.7661775322487564,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 78.23384962730582,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}