{ "area": { "code": "03000", "name": "岩手県", "slug": "iwate" }, "structure": { "id": "all", "name": "全構造" }, "segment": { "segment": "owner", "building_type": "detached", "label": "持家・一戸建" }, "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": 941, "price_per_tsubo": 90.40387809720897, "prev_price_per_tsubo": 89.32001993577941, "change_vs_prev": 1.213454903177194, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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173819.0315286251, "cost_per_unit": 2197.6109437751006, "floor_per_unit": 126.43097389558233, "yoy": 4.707296775295244, "ratio_national": 0.9408674289075075, "rank_in_national": 35, "is_spliced": false, "price_per_tsubo_real": 61.521329361564625, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 4133, "floor_total": 519380, "cost_total": 9274507, "price_per_tsubo": 59.03109957166237, "price_per_sqm": 178568.81281527976, "cost_per_unit": 2244.0133075248004, "floor_per_unit": 125.66658601500122, "yoy": 2.732601398640533, "ratio_national": 0.9550219489253743, "rank_in_national": 28, "is_spliced": false, "price_per_tsubo_real": 63.33808966916563, "deflator": 93.2, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 4064, "floor_total": 499941, "cost_total": 9111913, "price_per_tsubo": 60.25125140020523, "price_per_sqm": 182259.76665246498, "cost_per_unit": 2242.1045767716537, "floor_per_unit": 123.0169783464567, "yoy": 2.0669644262032216, 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