{ "area": { "code": "13000", "name": "東京都", "slug": "tokyo" }, "structure": { "id": "all", "name": "全構造" }, "segment": { "segment": "owner", "building_type": "all", "label": "持家" }, "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": 5324, "price_per_tsubo": 111.30596938789039, "prev_price_per_tsubo": 104.8096621067849, "change_vs_prev": 6.1981950428260575, "note": "Sum of monthly preliminary releases from April; replaced by the annual report." }, "years": [ { "fiscal_year": 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212939.38616721024, "cost_per_unit": 2502.3955449282657, "floor_per_unit": 117.51680090611629, "yoy": 1.7638376864427707, "ratio_national": 1.1522049479630085, "rank_in_national": 1, "is_spliced": false, "price_per_tsubo_real": 75.36754747298735, "deflator": 93.4, "deflator_provisional": false }, { "fiscal_year": 2015, "units": 15225, "floor_total": 1807794, "cost_total": 38851862, "price_per_tsubo": 71.04575901954537, "price_per_sqm": 214913.1040372963, "cost_per_unit": 2551.846436781609, "floor_per_unit": 118.73852216748769, "yoy": 0.9268918754824496, "ratio_national": 1.1492287968233341, "rank_in_national": 1, "is_spliced": false, "price_per_tsubo_real": 76.22935517118601, "deflator": 93.2, "deflator_provisional": false }, { "fiscal_year": 2016, "units": 15024, "floor_total": 1750347, "cost_total": 37906615, "price_per_tsubo": 71.59226644822427, "price_per_sqm": 216566.2865706057, "cost_per_unit": 2523.070753461129, "floor_per_unit": 116.5033945686901, "yoy": 0.7692330073193254, 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