{
  "area": {
    "code": "11000",
    "name": "埼玉県",
    "slug": "saitama"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "apartment",
    "label": "貸家・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": 2123,
    "price_per_tsubo": 117.21401170903287,
    "prev_price_per_tsubo": 113.26852479105185,
    "change_vs_prev": 3.4833038792191644,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 6223,
      "floor_total": 296771,
      "cost_total": 5657747,
      "price_per_tsubo": 63.02274634357804,
      "price_per_sqm": 190643.52649012202,
      "cost_per_unit": 909.167121966897,
      "floor_per_unit": 47.689378113450104,
      "yoy": null,
      "ratio_national": 1.001887035712356,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 71.77989332981554,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 7764,
      "floor_total": 370083,
      "cost_total": 7341638,
      "price_per_tsubo": 65.57964965702288,
      "price_per_sqm": 198378.14760472652,
      "cost_per_unit": 945.5999484801648,
      "floor_per_unit": 47.66653786707882,
      "yoy": 4.0571118553061725,
      "ratio_national": 1.0078290808569423,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 72.62419674088913,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 7373,
      "floor_total": 324845,
      "cost_total": 6942413,
      "price_per_tsubo": 70.64956970638303,
      "price_per_sqm": 213714.63313272485,
      "cost_per_unit": 941.5994846059948,
      "floor_per_unit": 44.05872779058728,
      "yoy": 7.730934940755985,
      "ratio_national": 1.0272041915659653,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 75.4803095153665,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 7898,
      "floor_total": 350044,
      "cost_total": 7546683,
      "price_per_tsubo": 71.27032371521865,
      "price_per_sqm": 215592.41123972987,
      "cost_per_unit": 955.518232463915,
      "floor_per_unit": 44.320587490503925,
      "yoy": 0.8786380602393562,
      "ratio_national": 1.008936690347875,
      "rank_in_national": 5,
      "is_spliced": false,
      "price_per_tsubo_real": 76.30655644027694,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 8805,
      "floor_total": 383561,
      "cost_total": 8478019,
      "price_per_tsubo": 73.06934341606681,
      "price_per_sqm": 221034.43780780633,
      "cost_per_unit": 962.8641680863146,
      "floor_per_unit": 43.561726291879616,
      "yoy": 2.5242199095891094,
      "ratio_national": 1.0096983725827344,
      "rank_in_national": 9,
      "is_spliced": false,
      "price_per_tsubo_real": 78.23270173026425,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 8583,
      "floor_total": 363014,
      "cost_total": 8348257,
      "price_per_tsubo": 76.02347156867228,
      "price_per_sqm": 229970.66228850678,
      "cost_per_unit": 972.6502388442269,
      "floor_per_unit": 42.29453571012466,
      "yoy": 4.0429104936447136,
      "ratio_national": 1.015365899839633,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 79.85658778221878,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 6668,
      "floor_total": 294749,
      "cost_total": 6900233,
      "price_per_tsubo": 77.39032617267574,
      "price_per_sqm": 234105.39136689182,
      "cost_per_unit": 1034.8279844031194,
      "floor_per_unit": 44.203509298140375,
      "yoy": 1.7979376313653095,
      "ratio_national": 1.0195522630288174,
      "rank_in_national": 6,
      "is_spliced": false,
      "price_per_tsubo_real": 78.88922137887437,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 5153,
      "floor_total": 257842,
      "cost_total": 6210986,
      "price_per_tsubo": 79.63099653640602,
      "price_per_sqm": 240883.4092195996,
      "cost_per_unit": 1205.314574034543,
      "floor_per_unit": 50.03725984863186,
      "yoy": 2.895284817292043,
      "ratio_national": 1.0156084951431268,
      "rank_in_national": 7,
      "is_spliced": false,
      "price_per_tsubo_real": 79.47205243154293,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 4404,
      "floor_total": 216549,
      "cost_total": 5580032,
      "price_per_tsubo": 85.18355654045966,
      "price_per_sqm": 257679.87845706978,
      "cost_per_unit": 1267.0372388737512,
      "floor_per_unit": 49.170980926430516,
      "yoy": 6.972862635864541,
      "ratio_national": 1.0536914806298674,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 85.18355654045966,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 5087,
      "floor_total": 252056,
      "cost_total": 6742047,
      "price_per_tsubo": 88.42396749980163,
      "price_per_sqm": 267482.1071507919,
      "cost_per_unit": 1325.3483389030862,
      "floor_per_unit": 49.54904658934539,
      "yoy": 3.8040334202327886,
      "ratio_national": 1.0671633370615883,
      "rank_in_national": 3,
      "is_spliced": false,
      "price_per_tsubo_real": 81.64724607553244,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 5452,
      "floor_total": 293451,
      "cost_total": 8547459,
      "price_per_tsubo": 96.2890039141458,
      "price_per_sqm": 291273.8072114254,
      "cost_per_unit": 1567.7657740278796,
      "floor_per_unit": 53.82446808510638,
      "yoy": 8.89468843881247,
      "ratio_national": 1.0901007511795544,
      "rank_in_national": 4,
      "is_spliced": false,
      "price_per_tsubo_real": 82.7225119537335,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 5585,
      "floor_total": 303388,
      "cost_total": 9275386,
      "price_per_tsubo": 101.06687899633472,
      "price_per_sqm": 305726.858016797,
      "cost_per_unit": 1660.7674127126231,
      "floor_per_unit": 54.32193375111907,
      "yoy": 4.962015274816878,
      "ratio_national": 1.0267306341988296,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 86.38194786011515,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 5328,
      "floor_total": 296867,
      "cost_total": 9711920,
      "price_per_tsubo": 108.14798551809396,
      "price_per_sqm": 327147.1736501531,
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    {
      "fiscal_year": 2025,
      "units": 5044,
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    }
  ]
}