{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "apartment",
    "label": "貸家・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": 114.13905693724966,
    "change_vs_prev": -3.2765709887889756,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 654,
      "floor_total": 31720,
      "cost_total": 527639,
      "price_per_tsubo": 54.98939879602774,
      "price_per_sqm": 166342.68600252207,
      "cost_per_unit": 806.7874617737003,
      "floor_per_unit": 48.50152905198777,
      "yoy": null,
      "ratio_national": 0.8741790694903726,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 62.63029475629583,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 745,
      "floor_total": 36180,
      "cost_total": 630211,
      "price_per_tsubo": 57.582786669154224,
      "price_per_sqm": 174187.67274737425,
      "cost_per_unit": 845.9208053691275,
      "floor_per_unit": 48.56375838926174,
      "yoy": 4.716159714249901,
      "ratio_national": 0.8849331654784209,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 63.76831303339338,
      "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": 3.9519597727705413,
      "ratio_national": 0.8703072903182695,
      "rank_in_national": 29,
      "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": 0.9381093105002647,
      "rank_in_national": 16,
      "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": 0.938741911256257,
      "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": 0.931673880980847,
      "rank_in_national": 18,
      "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": 0.8513746217402051,
      "rank_in_national": 39,
      "is_spliced": false,
      "price_per_tsubo_real": 65.87625121961999,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 552,
      "floor_total": 27742,
      "cost_total": 560036,
      "price_per_tsubo": 66.73496533919689,
      "price_per_sqm": 201872.97238843632,
      "cost_per_unit": 1014.5579710144928,
      "floor_per_unit": 50.257246376811594,
      "yoy": 3.2655719538058126,
      "ratio_national": 0.8511333609969844,
      "rank_in_national": 36,
      "is_spliced": false,
      "price_per_tsubo_real": 66.60176181556575,
      "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": 5.593345192882815,
      "ratio_national": 0.8716611460070648,
      "rank_in_national": 30,
      "is_spliced": false,
      "price_per_tsubo_real": 70.46768231496887,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 645,
      "floor_total": 27587,
      "cost_total": 644403,
      "price_per_tsubo": 77.2197409421104,
      "price_per_sqm": 233589.3718055606,
      "cost_per_unit": 999.0744186046512,
      "floor_per_unit": 42.77054263565891,
      "yoy": 9.581780477697443,
      "ratio_national": 0.9319427612315492,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 71.3016998542109,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 822,
      "floor_total": 40159,
      "cost_total": 1066455,
      "price_per_tsubo": 87.78794976095023,
      "price_per_sqm": 265558.15632859385,
      "cost_per_unit": 1297.390510948905,
      "floor_per_unit": 48.85523114355231,
      "yoy": 13.685890019706903,
      "ratio_national": 0.9938591748674835,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 75.4192008255586,
      "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": 14.583419934646248,
      "ratio_national": 1.0218904776472004,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 85.97473087744093,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 543,
      "floor_total": 27125,
      "cost_total": 890579,
      "price_per_tsubo": 108.53703787686636,
      "price_per_sqm": 328324.0552995392,
      "cost_per_unit": 1640.108655616943,
      "floor_per_unit": 49.95395948434622,
      "yoy": 7.899958619583125,
      "ratio_national": 1.0096059929157308,
      "rank_in_national": 5,
      "is_spliced": true,
      "price_per_tsubo_real": 89.40447930549124,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 480,
      "floor_total": 22651,
      "cost_total": 794667,
      "price_per_tsubo": 115.97731764292966,
      "price_per_sqm": 350830.86839433137,
      "cost_per_unit": 1655.55625,
      "floor_per_unit": 47.18958333333333,
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      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 93.3043585220673,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}