{ "area": { "code": "10000", "name": "群馬県", "slug": "gunma" }, "structure": { "id": "steel", "name": "鉄骨造" }, "segment": { "segment": "condo", "building_type": "all", "label": "分譲住宅" }, "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": 35, "price_per_tsubo": 107.5533728504307, "prev_price_per_tsubo": 98.83464461538462, "change_vs_prev": 8.82153041473974, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { "fiscal_year": 2012, "units": 50, "floor_total": 5260, "cost_total": 102927, "price_per_tsubo": 64.68727135551332, "price_per_sqm": 195678.7072243346, "cost_per_unit": 2058.54, "floor_per_unit": 105.2, "yoy": null, "ratio_national": 0.9679135595644451, "rank_in_national": 30, "is_spliced": false, "price_per_tsubo_real": 73.67570769420652, "deflator": 87.8, "deflator_provisional": false }, { "fiscal_year": 2013, "units": 93, "floor_total": 7888, "cost_total": 147045, "price_per_tsubo": 61.62523967418864, "price_per_sqm": 186416.07505070994, "cost_per_unit": 1581.1290322580646, "floor_per_unit": 84.81720430107526, "yoy": -4.733592277368026, "ratio_national": 0.8959338454148013, "rank_in_national": 37, "is_spliced": false, "price_per_tsubo_real": 68.24500517628864, "deflator": 90.3, "deflator_provisional": false }, { "fiscal_year": 2014, "units": 68, "floor_total": 7684, "cost_total": 153639, "price_per_tsubo": 66.09816108927642, "price_per_sqm": 199946.64237376367, "cost_per_unit": 2259.3970588235293, 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