{ "area": { "code": "06000", "name": "山形県", "slug": "yamagata" }, "structure": { "id": "steel", "name": "鉄骨造" }, "segment": { "segment": "all", "building_type": "apartment", "label": "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": 59, "price_per_tsubo": 121.65411648341232, "prev_price_per_tsubo": 102.85052903553299, "change_vs_prev": 18.282441154369792, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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"cost_per_unit": 943.6694214876034, "floor_per_unit": 55.3801652892562, "yoy": -1.6968512685706094, "ratio_national": 0.8182172469257267, "rank_in_national": 41, "is_spliced": false, "price_per_tsubo_real": 60.18178262716242, "deflator": 93.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 220, "floor_total": 12202, "cost_total": 216206, "price_per_tsubo": 58.574957608588754, "price_per_sqm": 177188.9854122275, "cost_per_unit": 982.7545454545455, "floor_per_unit": 55.46363636363636, "yoy": 3.9850934673278715, "ratio_national": 0.8281412483222221, "rank_in_national": 40, "is_spliced": false, "price_per_tsubo_real": 62.714087375362695, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 167, "floor_total": 8310, "cost_total": 165111, "price_per_tsubo": 65.68258636462095, "price_per_sqm": 198689.5306859206, "cost_per_unit": 988.688622754491, "floor_per_unit": 49.76047904191617, "yoy": 12.134244814186612, "ratio_national": 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