{ "area": { "code": "09000", "name": "栃木県", "slug": "tochigi" }, "structure": { "id": "steel", "name": "鉄骨造" }, "segment": { "segment": "rental", "building_type": "all", "label": "貸家" }, "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": 193, "price_per_tsubo": 108.52985523716764, "prev_price_per_tsubo": 104.12347865384615, "change_vs_prev": 4.231876076643857, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { "fiscal_year": 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"cost_per_unit": 900.4832015810276, "floor_per_unit": 49.49703557312253, "yoy": 3.13105076507203, "ratio_national": 0.8986736604815336, "rank_in_national": 29, "is_spliced": false, "price_per_tsubo_real": 64.25335938399806, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 2353, "floor_total": 116266, "cost_total": 2158693, "price_per_tsubo": 61.37809619725457, "price_per_sqm": 185668.46713570604, "cost_per_unit": 917.4215894602635, "floor_per_unit": 49.411814704632384, "yoy": 2.0567480491331613, "ratio_national": 0.890281649253037, "rank_in_national": 30, "is_spliced": false, "price_per_tsubo_real": 65.71530642104342, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 2523, "floor_total": 126942, "cost_total": 2443679, "price_per_tsubo": 63.637642398969604, "price_per_sqm": 192503.5843140962, "cost_per_unit": 968.5608402695204, "floor_per_unit": 50.313912009512485, "yoy": 3.6813559587338673, "ratio_national": 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