{ "area": { "code": "40000", "name": "福岡県", "slug": "fukuoka" }, "structure": { "id": "steel", "name": "鉄骨造" }, "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": 240, "price_per_tsubo": 122.11316485340123, "prev_price_per_tsubo": 114.81403011953034, "change_vs_prev": 6.357354346217022, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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223027.63781640382, "cost_per_unit": 2897.199845081332, "floor_per_unit": 129.90317583268785, "yoy": 2.5399336501594316, "ratio_national": 0.9311491094632935, "rank_in_national": 30, "is_spliced": false, "price_per_tsubo_real": 78.76950158302239, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 1284, "floor_total": 166960, "cost_total": 3841994, "price_per_tsubo": 76.07106699365117, "price_per_sqm": 230114.6382367034, "cost_per_unit": 2992.207165109034, "floor_per_unit": 130.0311526479751, "yoy": 3.177633269888114, "ratio_national": 0.9399683029726117, "rank_in_national": 24, "is_spliced": false, "price_per_tsubo_real": 81.44653853709976, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 1273, "floor_total": 165256, "cost_total": 3817369, "price_per_tsubo": 76.36285681917751, "price_per_sqm": 230997.3011569928, "cost_per_unit": 2998.718774548311, "floor_per_unit": 129.81618224666144, "yoy": 0.3835753027503719, 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