{
  "metadata": {
    "release": "2026-07-31-v3.1-charts-map",
    "dataset_version": "2026-07-27",
    "generated_at": "2026-07-31T21:49:26+09:00",
    "source_dates": {
      "tochigi_prefecture": "2026-07-01",
      "utsunomiya_city": "2026-03-01"
    },
    "map_geometry": {
      "title": "Growth rate map of municipalities of Tochigi prefecture, Japan 2015-2020.svg",
      "source_page": "https://commons.wikimedia.org/wiki/File:Growth_rate_map_of_municipalities_of_Tochigi_prefecture,_Japan_2015-2020.svg",
      "license": "CC BY-SA 3.0",
      "base_map_note": "現行25市町に合わせ、旧西方町・大平町・藤岡町・岩舟町・都賀町を栃木市へ統合。境界形状の基図は2009年行政区画地図由来。",
      "processed_date": "2026-07-31"
    },
    "notes": {
      "units": "市町・圏域別の関連管理単位数は、複数地域に住居を持つ管理単位を各地域で数える延べ数です。",
      "map": "個別住居の位置、完全住所、緯度・経度は表示しません。"
    }
  },
  "items": [
    {
      "code": "09201",
      "name": "宇都宮市",
      "area": "宇都宮保健医療圏",
      "residences": 208,
      "capacity": 1669,
      "units": 65,
      "confirmed": 2,
      "capacity_share": 31.72
    },
    {
      "code": "09202",
      "name": "足利市",
      "area": "両毛保健医療圏",
      "residences": 78,
      "capacity": 599,
      "units": 30,
      "confirmed": 30,
      "capacity_share": 11.38
    },
    {
      "code": "09203",
      "name": "栃木市",
      "area": "県南保健医療圏",
      "residences": 52,
      "capacity": 343,
      "units": 19,
      "confirmed": 19,
      "capacity_share": 6.52
    },
    {
      "code": "09204",
      "name": "佐野市",
      "area": "両毛保健医療圏",
      "residences": 35,
      "capacity": 244,
      "units": 15,
      "confirmed": 15,
      "capacity_share": 4.64
    },
    {
      "code": "09205",
      "name": "鹿沼市",
      "area": "県西保健医療圏",
      "residences": 36,
      "capacity": 240,
      "units": 14,
      "confirmed": 14,
      "capacity_share": 4.56
    },
    {
      "code": "09206",
      "name": "日光市",
      "area": "県西保健医療圏",
      "residences": 44,
      "capacity": 296,
      "units": 13,
      "confirmed": 13,
      "capacity_share": 5.63
    },
    {
      "code": "09208",
      "name": "小山市",
      "area": "県南保健医療圏",
      "residences": 76,
      "capacity": 571,
      "units": 25,
      "confirmed": 25,
      "capacity_share": 10.85
    },
    {
      "code": "09209",
      "name": "真岡市",
      "area": "県東保健医療圏",
      "residences": 17,
      "capacity": 120,
      "units": 9,
      "confirmed": 9,
      "capacity_share": 2.28
    },
    {
      "code": "09210",
      "name": "大田原市",
      "area": "県北保健医療圏",
      "residences": 30,
      "capacity": 197,
      "units": 15,
      "confirmed": 15,
      "capacity_share": 3.74
    },
    {
      "code": "09211",
      "name": "矢板市",
      "area": "県北保健医療圏",
      "residences": 6,
      "capacity": 34,
      "units": 4,
      "confirmed": 4,
      "capacity_share": 0.65
    },
    {
      "code": "09213",
      "name": "那須塩原市",
      "area": "県北保健医療圏",
      "residences": 32,
      "capacity": 193,
      "units": 19,
      "confirmed": 19,
      "capacity_share": 3.67
    },
    {
      "code": "09214",
      "name": "さくら市",
      "area": "県北保健医療圏",
      "residences": 16,
      "capacity": 111,
      "units": 4,
      "confirmed": 4,
      "capacity_share": 2.11
    },
    {
      "code": "09215",
      "name": "那須烏山市",
      "area": "県北保健医療圏",
      "residences": 12,
      "capacity": 93,
      "units": 2,
      "confirmed": 2,
      "capacity_share": 1.77
    },
    {
      "code": "09216",
      "name": "下野市",
      "area": "県南保健医療圏",
      "residences": 9,
      "capacity": 74,
      "units": 6,
      "confirmed": 6,
      "capacity_share": 1.41
    },
    {
      "code": "09301",
      "name": "上三川町",
      "area": "県南保健医療圏",
      "residences": 4,
      "capacity": 34,
      "units": 3,
      "confirmed": 3,
      "capacity_share": 0.65
    },
    {
      "code": "09342",
      "name": "益子町",
      "area": "県東保健医療圏",
      "residences": 6,
      "capacity": 36,
      "units": 1,
      "confirmed": 1,
      "capacity_share": 0.68
    },
    {
      "code": "09343",
      "name": "茂木町",
      "area": "県東保健医療圏",
      "residences": 4,
      "capacity": 19,
      "units": 1,
      "confirmed": 1,
      "capacity_share": 0.36
    },
    {
      "code": "09344",
      "name": "市貝町",
      "area": "県東保健医療圏",
      "residences": 5,
      "capacity": 34,
      "units": 4,
      "confirmed": 4,
      "capacity_share": 0.65
    },
    {
      "code": "09345",
      "name": "芳賀町",
      "area": "県東保健医療圏",
      "residences": 5,
      "capacity": 34,
      "units": 2,
      "confirmed": 2,
      "capacity_share": 0.65
    },
    {
      "code": "09361",
      "name": "壬生町",
      "area": "県南保健医療圏",
      "residences": 20,
      "capacity": 118,
      "units": 4,
      "confirmed": 4,
      "capacity_share": 2.24
    },
    {
      "code": "09364",
      "name": "野木町",
      "area": "県南保健医療圏",
      "residences": 5,
      "capacity": 30,
      "units": 2,
      "confirmed": 2,
      "capacity_share": 0.57
    },
    {
      "code": "09384",
      "name": "塩谷町",
      "area": "県北保健医療圏",
      "residences": 2,
      "capacity": 9,
      "units": 1,
      "confirmed": 1,
      "capacity_share": 0.17
    },
    {
      "code": "09386",
      "name": "高根沢町",
      "area": "県北保健医療圏",
      "residences": 17,
      "capacity": 107,
      "units": 8,
      "confirmed": 8,
      "capacity_share": 2.03
    },
    {
      "code": "09407",
      "name": "那須町",
      "area": "県北保健医療圏",
      "residences": 5,
      "capacity": 40,
      "units": 1,
      "confirmed": 1,
      "capacity_share": 0.76
    },
    {
      "code": "09411",
      "name": "那珂川町",
      "area": "県北保健医療圏",
      "residences": 3,
      "capacity": 17,
      "units": 3,
      "confirmed": 3,
      "capacity_share": 0.32
    }
  ]
}