{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "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": 214,
    "price_per_tsubo": 110.39920971076641,
    "prev_price_per_tsubo": 114.17021998428908,
    "change_vs_prev": -3.302971890604738,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 666,
      "floor_total": 32556,
      "cost_total": 542759,
      "price_per_tsubo": 55.11264512255805,
      "price_per_sqm": 166715.50559036736,
      "cost_per_unit": 814.9534534534534,
      "floor_per_unit": 48.88288288288288,
      "yoy": null,
      "ratio_national": 0.8790053292664555,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 62.770666426603704,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 787,
      "floor_total": 37884,
      "cost_total": 658296,
      "price_per_tsubo": 57.4434677922078,
      "price_per_sqm": 173766.23376623375,
      "cost_per_unit": 836.4625158831004,
      "floor_per_unit": 48.13722998729352,
      "yoy": 4.229197608763879,
      "ratio_national": 0.8863787006291808,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 63.61402856279934,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 658,
      "floor_total": 30210,
      "cost_total": 547017,
      "price_per_tsubo": 59.858435234359476,
      "price_per_sqm": 181071.49950347567,
      "cost_per_unit": 831.3328267477203,
      "floor_per_unit": 45.911854103343465,
      "yoy": 4.204076694825276,
      "ratio_national": 0.8694669791046162,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 63.9513196948285,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 1007,
      "floor_total": 40409,
      "cost_total": 810030,
      "price_per_tsubo": 66.26714528199163,
      "price_per_sqm": 200457.81880274197,
      "cost_per_unit": 804.3992055610724,
      "floor_per_unit": 40.128103277060575,
      "yoy": 10.706444334103594,
      "ratio_national": 0.9368945135784758,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 70.94983434902744,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 1053,
      "floor_total": 46722,
      "cost_total": 960143,
      "price_per_tsubo": 67.93440195132914,
      "price_per_sqm": 205501.26278840803,
      "cost_per_unit": 911.8167141500475,
      "floor_per_unit": 44.370370370370374,
      "yoy": 2.5159627176373656,
      "ratio_national": 0.936073063234374,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 72.73490572947445,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 1038,
      "floor_total": 45990,
      "cost_total": 970459,
      "price_per_tsubo": 69.75720064383562,
      "price_per_sqm": 211015.22070015222,
      "cost_per_unit": 934.9315992292871,
      "floor_per_unit": 44.30635838150289,
      "yoy": 2.6831747099391734,
      "ratio_national": 0.9311118052300231,
      "rank_in_national": 17,
      "is_spliced": false,
      "price_per_tsubo_real": 73.27437042419707,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 889,
      "floor_total": 45049,
      "cost_total": 880659,
      "price_per_tsubo": 64.6246024464472,
      "price_per_sqm": 195489.13405403006,
      "cost_per_unit": 990.6175478065242,
      "floor_per_unit": 50.673790776152984,
      "yoy": -7.357804140671154,
      "ratio_national": 0.8503360626661172,
      "rank_in_national": 40,
      "is_spliced": false,
      "price_per_tsubo_real": 65.87625121961999,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 592,
      "floor_total": 28866,
      "cost_total": 593836,
      "price_per_tsubo": 68.00724417792559,
      "price_per_sqm": 205721.61019884987,
      "cost_per_unit": 1003.1013513513514,
      "floor_per_unit": 48.76013513513514,
      "yoy": 5.23429406669309,
      "ratio_national": 0.8666892920313684,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 67.87150117557444,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 450,
      "floor_total": 21037,
      "cost_total": 448434,
      "price_per_tsubo": 70.46768231496887,
      "price_per_sqm": 213164.42458525454,
      "cost_per_unit": 996.52,
      "floor_per_unit": 46.74888888888889,
      "yoy": 3.617905955145173,
      "ratio_national": 0.8669901863553969,
      "rank_in_national": 33,
      "is_spliced": false,
      "price_per_tsubo_real": 70.46768231496887,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 695,
      "floor_total": 29339,
      "cost_total": 681991,
      "price_per_tsubo": 76.84375840655782,
      "price_per_sqm": 232452.0263130986,
      "cost_per_unit": 981.2820143884892,
      "floor_per_unit": 42.21438848920863,
      "yoy": 9.048227332197278,
      "ratio_national": 0.9255249384914147,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 70.95453223135534,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 833,
      "floor_total": 40611,
      "cost_total": 1080155,
      "price_per_tsubo": 87.92606922878039,
      "price_per_sqm": 265975.96710250917,
      "cost_per_unit": 1296.704681872749,
      "floor_per_unit": 48.752701080432175,
      "yoy": 14.421875051437883,
      "ratio_national": 0.9964377401136614,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 75.53786016218247,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 600,
      "floor_total": 29501,
      "cost_total": 897673,
      "price_per_tsubo": 100.59043512660588,
      "price_per_sqm": 304285.61743669707,
      "cost_per_unit": 1496.1216666666667,
      "floor_per_unit": 49.16833333333334,
      "yoy": 14.403425524315526,
      "ratio_national": 1.0215473933501782,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 85.97473087744093,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 570,
      "floor_total": 28331,
      "cost_total": 955079,
      "price_per_tsubo": 111.4429637997247,
      "price_per_sqm": 337114.4682503265,
      "cost_per_unit": 1675.5771929824562,
      "floor_per_unit": 49.703508771929826,
      "yoy": 10.788827644954036,
      "ratio_national": 1.0335451511466764,
      "rank_in_national": 4,
      "is_spliced": true,
      "price_per_tsubo_real": 91.79815798988854,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 511,
      "floor_total": 23616,
      "cost_total": 833440,
      "price_per_tsubo": 116.66571890243902,
      "price_per_sqm": 352913.27913279133,
      "cost_per_unit": 1630.9980430528376,
      "floor_per_unit": 46.21526418786693,
      "yoy": 4.6864825957968925,
      "ratio_national": 0.9996320876559527,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 93.85818093518827,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}