{ "area": { "code": "00000", "name": "全国", "slug": "japan" }, "structure": { "id": "rc", "name": "鉄筋コンクリート造" }, "segment": { "segment": "all", "building_type": "rowhouse", "label": "長屋建" }, "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": 247, "price_per_tsubo": 131.28183044421488, "prev_price_per_tsubo": 135.43896835905045, "change_vs_prev": -3.069380965613206, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { 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"cost_per_unit": 1646.8803222094361, "floor_per_unit": 78.12197928653625, "yoy": 0.5013170502005337, "ratio_national": null, "rank_in_national": null, "is_spliced": false, "price_per_tsubo_real": 75.25807012735116, "deflator": 92.6, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 959, "floor_total": 70939, "cost_total": 1643648, "price_per_tsubo": 76.59475213803408, "price_per_sqm": 231698.78346184752, "cost_per_unit": 1713.9186652763294, "floor_per_unit": 73.9718456725756, "yoy": 9.909428865106062, "ratio_national": null, "rank_in_national": null, "is_spliced": false, "price_per_tsubo_real": 82.98456352983108, "deflator": 92.3, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 709, "floor_total": 57562, "cost_total": 1218167, "price_per_tsubo": 69.95942265609256, "price_per_sqm": 211626.94138494146, "cost_per_unit": 1718.148095909732, "floor_per_unit": 81.18758815232722, "yoy": -8.662903523708476, "ratio_national": null, "rank_in_national": null, 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