{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "all",
    "building_type": "apartment",
    "label": "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": 3285,
    "price_per_tsubo": 124.71701180393038,
    "prev_price_per_tsubo": 133.33581269381963,
    "change_vs_prev": -6.4639804683837525,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8354,
      "floor_total": 630953,
      "cost_total": 11664015,
      "price_per_tsubo": 61.11197529269217,
      "price_per_sqm": 184863.45258680123,
      "cost_per_unit": 1396.2191764424228,
      "floor_per_unit": 75.52705290878622,
      "yoy": null,
      "ratio_national": 1.0343438153173234,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 70.00226264913194,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 7888,
      "floor_total": 595914,
      "cost_total": 11435256,
      "price_per_tsubo": 63.436259145178674,
      "price_per_sqm": 191894.4008699242,
      "cost_per_unit": 1449.7028397565923,
      "floor_per_unit": 75.54690669371196,
      "yoy": 3.8033197934684404,
      "ratio_national": 1.0122841429403555,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 70.72046727444669,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 6121,
      "floor_total": 488056,
      "cost_total": 10376839,
      "price_per_tsubo": 70.28630033809644,
      "price_per_sqm": 212615.744914518,
      "cost_per_unit": 1695.2849207645809,
      "floor_per_unit": 79.73468387518379,
      "yoy": 10.798305709107048,
      "ratio_national": 1.0021059738861426,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 75.90313211457499,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 6028,
      "floor_total": 440691,
      "cost_total": 9519799,
      "price_per_tsubo": 71.41161570399667,
      "price_per_sqm": 216019.8188753571,
      "cost_per_unit": 1579.2632714001327,
      "floor_per_unit": 73.10733244857333,
      "yoy": 1.6010450976750246,
      "ratio_national": 0.9321619127507359,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 77.36903109858795,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 6977,
      "floor_total": 500277,
      "cost_total": 11914307,
      "price_per_tsubo": 78.72877813197489,
      "price_per_sqm": 238154.20257177524,
      "cost_per_unit": 1707.6547226601692,
      "floor_per_unit": 71.70374086283503,
      "yoy": 10.24645970525031,
      "ratio_national": 1.0007501786718802,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 85.20430533763516,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 7373,
      "floor_total": 566624,
      "cost_total": 14095128,
      "price_per_tsubo": 82.23360322033659,
      "price_per_sqm": 248756.28282600103,
      "cost_per_unit": 1911.7222297572223,
      "floor_per_unit": 76.85121388851213,
      "yoy": 4.451771222063772,
      "ratio_national": 1.0431314032008259,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 86.927698964415,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 5194,
      "floor_total": 363341,
      "cost_total": 8902121,
      "price_per_tsubo": 80.99427970030908,
      "price_per_sqm": 245007.33470761628,
      "cost_per_unit": 1713.9239507123605,
      "floor_per_unit": 69.953985367732,
      "yoy": -1.507076756331438,
      "ratio_national": 1.0060682481616792,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 82.64722418398885,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 5995,
      "floor_total": 404996,
      "cost_total": 9842367,
      "price_per_tsubo": 80.33856730666476,
      "price_per_sqm": 243023.80764254462,
      "cost_per_unit": 1641.762635529608,
      "floor_per_unit": 67.55562969140951,
      "yoy": -0.8095786468754973,
      "ratio_national": 0.9659285769630114,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 80.17821088489497,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 6681,
      "floor_total": 436326,
      "cost_total": 11649589,
      "price_per_tsubo": 88.26220491171738,
      "price_per_sqm": 266992.7760436004,
      "cost_per_unit": 1743.6894177518336,
      "floor_per_unit": 65.30848675348001,
      "yoy": 9.862806707526751,
      "ratio_national": 1.034132107161411,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 88.26220491171738,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 6198,
      "floor_total": 392847,
      "cost_total": 9710126,
      "price_per_tsubo": 81.71027761326928,
      "price_per_sqm": 247173.22519963243,
      "cost_per_unit": 1566.6547273313972,
      "floor_per_unit": 63.38286544046466,
      "yoy": -7.423253594221368,
      "ratio_national": 0.9396815215794173,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 77.67136655253734,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 8388,
      "floor_total": 530496,
      "cost_total": 13947852,
      "price_per_tsubo": 86.91614953379478,
      "price_per_sqm": 262920.9645313065,
      "cost_per_unit": 1662.8340486409156,
      "floor_per_unit": 63.24463519313305,
      "yoy": 6.371134785717691,
      "ratio_national": 0.9556026958931624,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 77.81213028987895,
      "deflator": 111.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 6697,
      "floor_total": 378511,
      "cost_total": 11309630,
      "price_per_tsubo": 98.77457130096616,
      "price_per_sqm": 298792.63746628235,
      "cost_per_unit": 1688.7606390921308,
      "floor_per_unit": 56.519486337165894,
      "yoy": 13.643519450387732,
      "ratio_national": 0.994445560335873,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 86.72043134413184,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 8048,
      "floor_total": 495679,
      "cost_total": 18765895,
      "price_per_tsubo": 125.15379516188905,
      "price_per_sqm": 378589.67194494826,
      "cost_per_unit": 2331.746396620278,
      "floor_per_unit": 61.59033300198807,
      "yoy": 26.70649288929372,
      "ratio_national": 1.0854308268877395,
      "rank_in_national": 5,
      "is_spliced": true,
      "price_per_tsubo_real": 105.25970997635747,
      "deflator": 118.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 5289,
      "floor_total": 309972,
      "cost_total": 18024762,
      "price_per_tsubo": 192.23051750474238,
      "price_per_sqm": 581496.4577445704,
      "cost_per_unit": 3407.9716392512764,
      "floor_per_unit": 58.6069200226886,
      "yoy": 53.59543612408093,
      "ratio_national": 1.5144558894978712,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 157.43695127333527,
      "deflator": 122.1,
      "deflator_provisional": true
    }
  ]
}