{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "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": 2495,
    "price_per_tsubo": 116.03594329330095,
    "prev_price_per_tsubo": 111.42169531070404,
    "change_vs_prev": 4.141247330450227,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 8124,
      "floor_total": 405615,
      "cost_total": 7556275,
      "price_per_tsubo": 61.58415820975556,
      "price_per_sqm": 186291.80380409994,
      "cost_per_unit": 930.1175529295913,
      "floor_per_unit": 49.92799113737075,
      "yoy": null,
      "ratio_national": 1.0067676108121406,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 70.14141026168059,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 9946,
      "floor_total": 497724,
      "cost_total": 9694738,
      "price_per_tsubo": 64.3906420687369,
      "price_per_sqm": 194781.4049553568,
      "cost_per_unit": 974.7373818620551,
      "floor_per_unit": 50.04263020309672,
      "yoy": 4.557152262149078,
      "ratio_national": 1.0187754644548868,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 71.30746629981938,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 9544,
      "floor_total": 447950,
      "cost_total": 9323250,
      "price_per_tsubo": 68.8038991349481,
      "price_per_sqm": 208131.48788927335,
      "cost_per_unit": 976.8702849958089,
      "floor_per_unit": 46.93524727577535,
      "yoy": 6.8538795769423455,
      "ratio_national": 1.0281189778631816,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 73.50843924673941,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 9892,
      "floor_total": 462081,
      "cost_total": 9775344,
      "price_per_tsubo": 69.9341337162965,
      "price_per_sqm": 211550.44245489428,
      "cost_per_unit": 988.2070359886777,
      "floor_per_unit": 46.71259603720178,
      "yoy": 1.6426897247954209,
      "ratio_national": 1.014385909004649,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 74.87594616305834,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 10740,
      "floor_total": 493996,
      "cost_total": 10704993,
      "price_per_tsubo": 71.63713635225791,
      "price_per_sqm": 216702.0178301039,
      "cost_per_unit": 996.7405027932961,
      "floor_per_unit": 45.99590316573557,
      "yoy": 2.4351522575084994,
      "ratio_national": 1.01384342473055,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 76.69928945637892,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 10021,
      "floor_total": 445035,
      "cost_total": 10037767,
      "price_per_tsubo": 74.56211257750513,
      "price_per_sqm": 225550.0578606177,
      "cost_per_unit": 1001.6731863087516,
      "floor_per_unit": 44.41023849915178,
      "yoy": 4.083044596959273,
      "ratio_national": 1.0203235210978179,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 78.32154682511043,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 8044,
      "floor_total": 374426,
      "cost_total": 8594876,
      "price_per_tsubo": 75.88376643726664,
      "price_per_sqm": 229548.05488935063,
      "cost_per_unit": 1068.4828443560418,
      "floor_per_unit": 46.54724017901542,
      "yoy": 1.7725542022266172,
      "ratio_national": 1.0256970407613348,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 77.35348260679577,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 6024,
      "floor_total": 309621,
      "cost_total": 7367512,
      "price_per_tsubo": 78.66213045781778,
      "price_per_sqm": 237952.59365482314,
      "cost_per_unit": 1223.0265604249669,
      "floor_per_unit": 51.39790836653386,
      "yoy": 3.661341748037805,
      "ratio_national": 1.024093576604867,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 78.50512021738302,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 5092,
      "floor_total": 258439,
      "cost_total": 6544372,
      "price_per_tsubo": 83.71151224807402,
      "price_per_sqm": 253226.95104067112,
      "cost_per_unit": 1285.2262372348782,
      "floor_per_unit": 50.753927729772194,
      "yoy": 6.419075813060959,
      "ratio_national": 1.054196290515639,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 83.71151224807402,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5689,
      "floor_total": 289619,
      "cost_total": 7625246,
      "price_per_tsubo": 87.03663079542433,
      "price_per_sqm": 263285.41981016437,
      "cost_per_unit": 1340.3490947442433,
      "floor_per_unit": 50.90859553524345,
      "yoy": 3.9721162096516993,
      "ratio_national": 1.069946346766484,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 80.36623342144445,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 6507,
      "floor_total": 353308,
      "cost_total": 9951706,
      "price_per_tsubo": 93.11493138491062,
      "price_per_sqm": 281672.25197278295,
      "cost_per_unit": 1529.3846626709696,
      "floor_per_unit": 54.296603657599505,
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      "ratio_national": 1.079898186681404,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 79.99564551968265,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 6575,
      "floor_total": 359459,
      "cost_total": 10776681,
      "price_per_tsubo": 99.10850551242284,
      "price_per_sqm": 299802.7869659683,
      "cost_per_unit": 1639.0389353612168,
      "floor_per_unit": 54.67057034220532,
      "yoy": 6.43674869150308,
      "ratio_national": 1.0327888624875303,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 84.70812436959217,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 6062,
      "floor_total": 339627,
      "cost_total": 10956290,
      "price_per_tsubo": 106.6440357188916,
      "price_per_sqm": 322597.7322179921,
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    {
      "fiscal_year": 2025,
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      "deflator_provisional": true
    }
  ]
}