{
  "area": {
    "code": "10000",
    "name": "群馬県",
    "slug": "gunma"
  },
  "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": 67.8990062240664,
    "prev_price_per_tsubo": null,
    "change_vs_prev": null,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 16,
      "floor_total": 360,
      "cost_total": 6000,
      "price_per_tsubo": 55.096500000000006,
      "price_per_sqm": 166666.66666666666,
      "cost_per_unit": 375,
      "floor_per_unit": 22.5,
      "yoy": null,
      "ratio_national": 0.6783932955537919,
      "rank_in_national": 26,
      "is_spliced": false,
      "price_per_tsubo_real": 57.87447478991597,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 23,
      "floor_total": 1756,
      "cost_total": 50000,
      "price_per_tsubo": 94.12841685649204,
      "price_per_sqm": 284738.0410022779,
      "cost_per_unit": 2173.913043478261,
      "floor_per_unit": 76.34782608695652,
      "yoy": 70.84282460136674,
      "ratio_national": 1.1581154955275983,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 95.95149526655662,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 73,
      "floor_total": 3165,
      "cost_total": 91400,
      "price_per_tsubo": 95.46578388625593,
      "price_per_sqm": 288783.570300158,
      "cost_per_unit": 1252.054794520548,
      "floor_per_unit": 43.35616438356164,
      "yoy": 1.4207898894154747,
      "ratio_national": 0.932855635322687,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 95.27523341941709,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 0,
      "floor_total": 0,
      "cost_total": 0,
      "price_per_tsubo": null,
      "price_per_sqm": null,
      "cost_per_unit": null,
      "floor_per_unit": null,
      "yoy": null,
      "ratio_national": null,
      "rank_in_national": null,
      "is_spliced": false,
      "price_per_tsubo_real": null,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 11,
      "floor_total": 452,
      "cost_total": 13700,
      "price_per_tsubo": 100.19761725663717,
      "price_per_sqm": 303097.34513274336,
      "cost_per_unit": 1245.4545454545455,
      "floor_per_unit": 41.09090909090909,
      "yoy": null,
      "ratio_national": 1.0622799977411324,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 86.90166284183624,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 16,
      "floor_total": 322,
      "cost_total": 5000,
      "price_per_tsubo": 51.332142857142856,
      "price_per_sqm": 155279.50310559006,
      "cost_per_unit": 312.5,
      "floor_per_unit": 20.125,
      "yoy": -48.76909824545497,
      "ratio_national": 0.4887773788795664,
      "rank_in_national": 29,
      "is_spliced": false,
      "price_per_tsubo_real": 44.67549421857516,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 137,
      "floor_total": 4292,
      "cost_total": 138750,
      "price_per_tsubo": 106.86821120689656,
      "price_per_sqm": 323275.8620689655,
      "cost_per_unit": 1012.7737226277372,
      "floor_per_unit": 31.32846715328467,
      "yoy": 108.18965517241384,
      "ratio_national": 0.8425731908797481,
      "rank_in_national": 22,
      "is_spliced": true,
      "price_per_tsubo_real": 89.57938910888228,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 31,
      "floor_total": 965,
      "cost_total": 38773,
      "price_per_tsubo": 132.82424421761658,
      "price_per_sqm": 401792.7461139896,
      "cost_per_unit": 1250.741935483871,
      "floor_per_unit": 31.129032258064516,
      "yoy": 24.287889464594127,
      "ratio_national": 1.0610151732337214,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 108.33951404373295,
      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}