{
  "fields": [{"id":"_id","type":"int"},{"id":"年度[西暦]","type":"text"},{"id":"65歳以上75歳未満[人]","type":"text"},{"id":"75歳以上[人]","type":"numeric"},{"id":"（再掲）外国人被保険者[人]","type":"numeric"},{"id":"（再掲）住所地特例被保険者[人]","type":"numeric"},{"id":"合計[人]","type":"numeric"}],
  "records": [
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    [3,"2022","20618",24816,1279,802,45434],
    [4,"2023","20329",25748,1367,823,46077],
    [5,"2024","20271",26489,1476,834,46760],
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    [7,"令和7年度港区行政資料集　第１号被保険者数（65歳以上）（各年度末現在）","Ver202503",null,null,null,null]
]}