{
  "area": {
    "code": "12000",
    "name": "千葉県",
    "slug": "chiba"
  },
  "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": 59,
    "price_per_tsubo": 74.82620222807019,
    "prev_price_per_tsubo": 75.75617627057159,
    "change_vs_prev": -1.227588413623053,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 324,
      "floor_total": 27561,
      "cost_total": 489535,
      "price_per_tsubo": 58.717024333297054,
      "price_per_sqm": 177618.73662058706,
      "cost_per_unit": 1510.9104938271605,
      "floor_per_unit": 85.06481481481481,
      "yoy": null,
      "ratio_national": 1.1750547476851039,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 66.87588192858435,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 349,
      "floor_total": 27641,
      "cost_total": 496636,
      "price_per_tsubo": 59.3963432017655,
      "price_per_sqm": 179673.6731666727,
      "cost_per_unit": 1423.025787965616,
      "floor_per_unit": 79.20057306590257,
      "yoy": 1.1569368103744537,
      "ratio_national": 1.1425011686758322,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 65.70391947097953,
      "deflator": 90.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 337,
      "floor_total": 29892,
      "cost_total": 567901,
      "price_per_tsubo": 62.80481221698113,
      "price_per_sqm": 189984.27672955976,
      "cost_per_unit": 1685.166172106825,
      "floor_per_unit": 88.70029673590504,
      "yoy": 5.738516601328936,
      "ratio_national": 1.1159406007474921,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 67.2428396327421,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 326,
      "floor_total": 25961,
      "cost_total": 501139,
      "price_per_tsubo": 63.81342378221178,
      "price_per_sqm": 193035.32221409035,
      "cost_per_unit": 1537.2361963190185,
      "floor_per_unit": 79.63496932515338,
      "yoy": 1.6059463114801664,
      "ratio_national": 1.1215361336376797,
      "rank_in_national": 2,
      "is_spliced": false,
      "price_per_tsubo_real": 68.46933882211565,
      "deflator": 93.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 291,
      "floor_total": 25375,
      "cost_total": 474834,
      "price_per_tsubo": 61.8601571964532,
      "price_per_sqm": 187126.69950738916,
      "cost_per_unit": 1631.7319587628865,
      "floor_per_unit": 87.19931271477664,
      "yoy": -3.060902346228689,
      "ratio_national": 1.0846854317879602,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 66.1605959320355,
      "deflator": 93.5,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 217,
      "floor_total": 17372,
      "cost_total": 344247,
      "price_per_tsubo": 65.5081907742344,
      "price_per_sqm": 198161.9848031315,
      "cost_per_unit": 1586.3917050691243,
      "floor_per_unit": 80.0552995391705,
      "yoy": 5.897226491351937,
      "ratio_national": 1.137180546737914,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 68.81112476285125,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 327,
      "floor_total": 25929,
      "cost_total": 470844,
      "price_per_tsubo": 60.029749961818816,
      "price_per_sqm": 181589.72578965637,
      "cost_per_unit": 1439.8899082568807,
      "floor_per_unit": 79.29357798165138,
      "yoy": -8.3629859833808,
      "ratio_national": 1.0619313837358546,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 61.192405669540086,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 274,
      "floor_total": 24264,
      "cost_total": 451945,
      "price_per_tsubo": 61.57415354228487,
      "price_per_sqm": 186261.53972964062,
      "cost_per_unit": 1649.434306569343,
      "floor_per_unit": 88.55474452554745,
      "yoy": 2.572730323628458,
      "ratio_national": 1.0746066076625225,
      "rank_in_national": 8,
      "is_spliced": false,
      "price_per_tsubo_real": 61.451251040204454,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 236,
      "floor_total": 24007,
      "cost_total": 448126,
      "price_per_tsubo": 61.70743739492647,
      "price_per_sqm": 186664.7227891865,
      "cost_per_unit": 1898.8389830508474,
      "floor_per_unit": 101.72457627118644,
      "yoy": 0.21646071439711534,
      "ratio_national": 1.04504229430852,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 61.707437394926465,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 268,
      "floor_total": 26217,
      "cost_total": 485261,
      "price_per_tsubo": 61.18819701682115,
      "price_per_sqm": 185094.0229622001,
      "cost_per_unit": 1810.6753731343283,
      "floor_per_unit": 97.82462686567165,
      "yoy": -0.841455098487065,
      "ratio_national": 1.0264038436543415,
      "rank_in_national": 12,
      "is_spliced": false,
      "price_per_tsubo_real": 56.29088961989066,
      "deflator": 108.7,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 292,
      "floor_total": 24328,
      "cost_total": 453335,
      "price_per_tsubo": 61.601048571604736,
      "price_per_sqm": 186342.89707333114,
      "cost_per_unit": 1552.5171232876712,
      "floor_per_unit": 83.31506849315069,
      "yoy": 0.6747241705293172,
      "ratio_national": 0.9602021155280487,
      "rank_in_national": 24,
      "is_spliced": false,
      "price_per_tsubo_real": 53.426755049093444,
      "deflator": 115.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 266,
      "floor_total": 21723,
      "cost_total": 513332,
      "price_per_tsubo": 78.11848235879023,
      "price_per_sqm": 236308.06058095107,
      "cost_per_unit": 1929.8195488721803,
      "floor_per_unit": 81.66541353383458,
      "yoy": 26.81355946073827,
      "ratio_national": 1.0712711848797343,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 67.98823529920821,
      "deflator": 114.9,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 297,
      "floor_total": 25133,
      "cost_total": 589076,
      "price_per_tsubo": 77.48225639756495,
      "price_per_sqm": 234383.47988700116,
      "cost_per_unit": 1983.4208754208755,
      "floor_per_unit": 84.62289562289563,
      "yoy": -0.8144371754473689,
      "ratio_national": 1.008725895425991,
      "rank_in_national": 19,
      "is_spliced": true,
      "price_per_tsubo_real": 64.94740687138723,
      "deflator": 119.3,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 264,
      "floor_total": 23539,
      "cost_total": 571574,
      "price_per_tsubo": 80.27119306087769,
      "price_per_sqm": 242820.00084965376,
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      "floor_per_unit": 89.16287878787878,
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      "is_spliced": false,
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      "deflator": 122.6,
      "deflator_provisional": true
    }
  ]
}