{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "all",
    "name": "全構造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "detached",
    "label": "貸家・一戸建"
  },
  "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": 195,
    "price_per_tsubo": 82.39882657116789,
    "prev_price_per_tsubo": 77.59126833136654,
    "change_vs_prev": 6.196004193757815,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 225,
      "floor_total": 18050,
      "cost_total": 297588,
      "price_per_tsubo": 54.50212933628809,
      "price_per_sqm": 164868.69806094182,
      "cost_per_unit": 1322.6133333333332,
      "floor_per_unit": 80.22222222222223,
      "yoy": null,
      "ratio_national": 1.0907055758143318,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 62.07531815066981,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 403,
      "floor_total": 33288,
      "cost_total": 514684,
      "price_per_tsubo": 51.112629787310745,
      "price_per_sqm": 154615.47704878636,
      "cost_per_unit": 1277.1315136476426,
      "floor_per_unit": 82.60049627791564,
      "yoy": -6.219022247852957,
      "ratio_national": 0.983162196833052,
      "rank_in_national": 22,
      "is_spliced": false,
      "price_per_tsubo_real": 56.5405196762287,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 364,
      "floor_total": 30641,
      "cost_total": 503910,
      "price_per_tsubo": 54.36573998564015,
      "price_per_sqm": 164456.12088378318,
      "cost_per_unit": 1384.368131868132,
      "floor_per_unit": 84.17857142857143,
      "yoy": 6.364591710241108,
      "ratio_national": 0.9659918467721108,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 58.207430391477665,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 459,
      "floor_total": 38141,
      "cost_total": 655404,
      "price_per_tsubo": 56.80574681209197,
      "price_per_sqm": 171837.13064681052,
      "cost_per_unit": 1427.8954248366013,
      "floor_per_unit": 83.0958605664488,
      "yoy": 4.4881332013439135,
      "ratio_national": 0.9983745405272217,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 60.9503721159785,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 537,
      "floor_total": 44498,
      "cost_total": 743715,
      "price_per_tsubo": 55.251148587576964,
      "price_per_sqm": 167134.47795406534,
      "cost_per_unit": 1384.9441340782123,
      "floor_per_unit": 82.86405959031657,
      "yoy": -2.736691816864001,
      "ratio_national": 0.9687999300126705,
      "rank_in_national": 21,
      "is_spliced": false,
      "price_per_tsubo_real": 59.09213752682029,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 447,
      "floor_total": 38070,
      "cost_total": 682870,
      "price_per_tsubo": 59.29668550827424,
      "price_per_sqm": 179372.20908852114,
      "cost_per_unit": 1527.6733780760626,
      "floor_per_unit": 85.16778523489933,
      "yoy": 7.32208655225477,
      "ratio_national": 1.0293527641213276,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 62.28643435743092,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 403,
      "floor_total": 34627,
      "cost_total": 604469,
      "price_per_tsubo": 57.70778801253357,
      "price_per_sqm": 174565.8012533572,
      "cost_per_unit": 1499.923076923077,
      "floor_per_unit": 85.92307692307692,
      "yoy": -2.6795721921404114,
      "ratio_national": 1.0208556793167156,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 58.82547198015655,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 450,
      "floor_total": 38302,
      "cost_total": 681676,
      "price_per_tsubo": 58.83446566863349,
      "price_per_sqm": 177973.996135972,
      "cost_per_unit": 1514.8355555555556,
      "floor_per_unit": 85.11555555555556,
      "yoy": 1.9523840627112987,
      "ratio_national": 1.0267929306147843,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 58.71703160542264,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 393,
      "floor_total": 35471,
      "cost_total": 665743,
      "price_per_tsubo": 62.045235600067656,
      "price_per_sqm": 187686.56085252741,
      "cost_per_unit": 1694.0025445292622,
      "floor_per_unit": 90.25699745547074,
      "yoy": 5.457294283112568,
      "ratio_national": 1.0507630538509194,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 62.04523560006766,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 384,
      "floor_total": 36781,
      "cost_total": 671046,
      "price_per_tsubo": 60.31204035616216,
      "price_per_sqm": 182443.65297300238,
      "cost_per_unit": 1747.515625,
      "floor_per_unit": 95.78385416666667,
      "yoy": -2.7934380893923305,
      "ratio_national": 1.011706718914802,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 55.484857733359846,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 415,
      "floor_total": 36742,
      "cost_total": 740692,
      "price_per_tsubo": 66.64232231996081,
      "price_per_sqm": 201592.72766860813,
      "cost_per_unit": 1784.8,
      "floor_per_unit": 88.53493975903615,
      "yoy": 10.49588428183872,
      "ratio_national": 1.0387826239832056,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 57.79906532520452,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 507,
      "floor_total": 43710,
      "cost_total": 953848,
      "price_per_tsubo": 72.13958315991765,
      "price_per_sqm": 218221.91718142302,
      "cost_per_unit": 1881.3570019723866,
      "floor_per_unit": 86.21301775147928,
      "yoy": 8.248903472426395,
      "ratio_national": 0.9892800576118606,
      "rank_in_national": 19,
      "is_spliced": false,
      "price_per_tsubo_real": 62.78466767616854,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 548,
      "floor_total": 49647,
      "cost_total": 1024850,
      "price_per_tsubo": 68.24055595504261,
      "price_per_sqm": 206427.37728362237,
      "cost_per_unit": 1870.1642335766423,
      "floor_per_unit": 90.59671532846716,
      "yoy": -5.404837447191446,
      "ratio_national": 0.8884100581288843,
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      "is_spliced": true,
      "price_per_tsubo_real": 57.200801303472424,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 462,
      "floor_total": 39457,
      "cost_total": 900561,
      "price_per_tsubo": 75.45088446131231,
      "price_per_sqm": 228238.5888435512,
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    }
  ]
}