{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "structure": {
    "id": "rc",
    "name": "鉄筋コンクリート造"
  },
  "segment": {
    "segment": "condo",
    "building_type": "apartment",
    "label": "分譲住宅・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": 1861,
    "price_per_tsubo": 117.83878466055204,
    "prev_price_per_tsubo": 131.82051465976673,
    "change_vs_prev": -10.606641944390844,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 6033,
      "floor_total": 516225,
      "cost_total": 9213263,
      "price_per_tsubo": 58.99968558820282,
      "price_per_sqm": 178473.78565547967,
      "cost_per_unit": 1527.1445383722858,
      "floor_per_unit": 85.56688214818499,
      "yoy": null,
      "ratio_national": 0.9953817967878007,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 67.58268681351984,
      "deflator": 87.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 5576,
      "floor_total": 473505,
      "cost_total": 8790864,
      "price_per_tsubo": 61.37369257465075,
      "price_per_sqm": 185655.14619697785,
      "cost_per_unit": 1576.5538020086083,
      "floor_per_unit": 84.91840028694405,
      "yoy": 4.023762097679073,
      "ratio_national": 0.9706006476076832,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 68.42106195613238,
      "deflator": 89.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 5162,
      "floor_total": 437173,
      "cost_total": 9250633,
      "price_per_tsubo": 69.95091203040901,
      "price_per_sqm": 211601.19678022203,
      "cost_per_unit": 1792.0637349864394,
      "floor_per_unit": 84.69062378922898,
      "yoy": 13.97540069032921,
      "ratio_national": 0.978890139474589,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 75.54094171750434,
      "deflator": 92.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 4419,
      "floor_total": 359799,
      "cost_total": 7447047,
      "price_per_tsubo": 68.42257344275554,
      "price_per_sqm": 206977.97937181592,
      "cost_per_unit": 1685.2335369993211,
      "floor_per_unit": 81.42090970807875,
      "yoy": -2.184872996350762,
      "ratio_national": 0.8597378979969241,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 74.13063211566147,
      "deflator": 92.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 4923,
      "floor_total": 411635,
      "cost_total": 9498102,
      "price_per_tsubo": 76.27808765187606,
      "price_per_sqm": 230740.87480413474,
      "cost_per_unit": 1929.3321145642901,
      "floor_per_unit": 83.61466585415397,
      "yoy": 11.480880963491824,
      "ratio_national": 0.9200641297194299,
      "rank_in_national": 14,
      "is_spliced": false,
      "price_per_tsubo_real": 82.55204291328577,
      "deflator": 92.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 5683,
      "floor_total": 493301,
      "cost_total": 12288840,
      "price_per_tsubo": 82.3520008749222,
      "price_per_sqm": 249114.43520284776,
      "cost_per_unit": 2162.3860636987506,
      "floor_per_unit": 86.80292099243357,
      "yoy": 7.962854615294934,
      "ratio_national": 0.9871304242605212,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 87.05285504748647,
      "deflator": 94.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 3790,
      "floor_total": 300735,
      "cost_total": 7162368,
      "price_per_tsubo": 78.73138979739637,
      "price_per_sqm": 238162.10284802233,
      "cost_per_unit": 1889.8068601583113,
      "floor_per_unit": 79.34960422163589,
      "yoy": -4.396506507504139,
      "ratio_national": 0.9473426275228871,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 80.3381528544861,
      "deflator": 98,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 4227,
      "floor_total": 327005,
      "cost_total": 7871107,
      "price_per_tsubo": 79.57134236335835,
      "price_per_sqm": 240702.9556122995,
      "cost_per_unit": 1862.1024367163473,
      "floor_per_unit": 77.36101253844335,
      "yoy": 1.0668585530161145,
      "ratio_national": 0.9339049854460981,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 79.41251732870094,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 4513,
      "floor_total": 343736,
      "cost_total": 9136839,
      "price_per_tsubo": 87.8711307451358,
      "price_per_sqm": 265809.7784346126,
      "cost_per_unit": 2024.559937957013,
      "floor_per_unit": 76.16574340793264,
      "yoy": 10.43062506583954,
      "ratio_national": 1.0079820526876253,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 87.8711307451358,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 3755,
      "floor_total": 286585,
      "cost_total": 7060820,
      "price_per_tsubo": 81.44734772510773,
      "price_per_sqm": 246377.8634611023,
      "cost_per_unit": 1880.3781624500666,
      "floor_per_unit": 76.32090545938749,
      "yoy": -7.310459038771011,
      "ratio_national": 0.9203772072751424,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 77.42143319877161,
      "deflator": 105.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5474,
      "floor_total": 418223,
      "cost_total": 10314970,
      "price_per_tsubo": 81.53335583241477,
      "price_per_sqm": 246638.0376019492,
      "cost_per_unit": 1884.3569601753745,
      "floor_per_unit": 76.40171720862259,
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      "ratio_national": 0.8905576207909183,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 72.9931565196193,
      "deflator": 111.7,
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    },
    {
      "fiscal_year": 2023,
      "units": 3841,
      "floor_total": 261133,
      "cost_total": 7644118,
      "price_per_tsubo": 96.77003229473104,
      "price_per_sqm": 292728.9159164104,
      "cost_per_unit": 1990.1374642020307,
      "floor_per_unit": 67.98568081228846,
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      "ratio_national": 0.9512359716859237,
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      "is_spliced": false,
      "price_per_tsubo_real": 84.9605200129333,
      "deflator": 113.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 4320,
      "floor_total": 349301,
      "cost_total": 12898010,
      "price_per_tsubo": 122.06696367287812,
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    {
      "fiscal_year": 2025,
      "units": 3591,
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  ]
}