{
  "cross_format_round_trip": "passed",
  "derived_table_verification": {
    "compared_cells": 26866,
    "declared_missing_values": 440,
    "status": "passed"
  },
  "municipalities": {
    "areas_without_census_data": 6,
    "areas_without_resident_register_data": 1,
    "columns": 70,
    "rows": 1919,
    "statistical_area_roles": {
      "designated_city_total": 20,
      "designated_city_ward": 171,
      "municipality": 1727,
      "special_ward_area_total": 1
    },
    "unique_standard_area_codes": 1919
  },
  "municipalities_city_level": {
    "columns": 70,
    "derivation": "municipalities rows where statistical_area_role is neither designated_city_ward nor special_ward_area_total",
    "excluded_designated_city_ward_rows": 171,
    "excluded_special_ward_area_total_rows": 1,
    "rows": 1747,
    "statistical_area_roles": {
      "designated_city_total": 20,
      "municipality": 1727
    },
    "unique_standard_area_codes": 1747
  },
  "municipalities_ward_level": {
    "columns": 70,
    "derivation": "municipalities rows where statistical_area_role is neither designated_city_total nor special_ward_area_total",
    "excluded_designated_city_total_rows": 20,
    "excluded_special_ward_area_total_rows": 1,
    "rows": 1898,
    "statistical_area_roles": {
      "designated_city_ward": 171,
      "municipality": 1727
    },
    "unique_standard_area_codes": 1898
  },
  "municipality_code_changes": {
    "columns": 23,
    "derivation": "successor_standard_area_code followed transitively until it reaches an area in this release",
    "distinct_retired_codes_with_a_current_code": 935,
    "rows": 1437,
    "rows_needing_more_than_one_step": 2,
    "rows_resolved_to_a_current_code": 1378,
    "rows_without_a_current_code": 59
  },
  "municipality_historical_name_lookup": {
    "ambiguous_lookup_keys": 88,
    "columns": 13,
    "derivation": "NFKC, whitespace, reviewed variant-character, kana, and connective-character normalization of names retired by the official code-revision list (2005-04-01 onward), keyed both folded and as officially spelled, and resolved to the code in force in this release where the revision list records a single successor chain",
    "distinct_lookup_keys": 2923,
    "keys_shared_with_current_lookup": 157,
    "lookup_key_types": [
      "historical_name",
      "kana_historical_name",
      "prefecture_historical_name"
    ],
    "retired_codes_covered": 978,
    "retired_codes_with_current_code": 935,
    "rows": 3022,
    "unambiguous_lookup_keys": 2835
  },
  "municipality_join_keys": {
    "areas_with_nationally_unique_area_name": 1786,
    "areas_with_nationally_unique_municipality_name": 1860,
    "areas_with_prefecture_unique_area_name": 1909,
    "columns": 23,
    "derivation": "identifier forms and normalized name keys derived from the municipalities table; the six-digit code is verified against every published value",
    "local_government_codes_confirmed_by_source": 1918,
    "local_government_codes_derived_from_check_digit": 1,
    "rows": 1919,
    "unique_standard_area_codes": 1919
  },
  "municipality_name_lookup": {
    "ambiguous_lookup_keys": 259,
    "areas_resolvable_by_at_least_one_unique_key": 1919,
    "columns": 8,
    "covered_standard_area_codes": 1919,
    "derivation": "NFKC, whitespace, reviewed variant-character, kana, and English normalization of official names, with connective-character expansion; official spellings that contain variant characters are additionally kept as keys unfolded",
    "distinct_lookup_keys": 15828,
    "lookup_key_types": [
      "area_name",
      "city_qualified_name",
      "district_qualified_name",
      "english_area_name",
      "english_prefecture_qualified_name",
      "kana_area_name",
      "kana_city_qualified_name",
      "official_full_name",
      "prefecture_area_name",
      "prefecture_city_qualified_name"
    ],
    "rows": 16246,
    "unambiguous_lookup_keys": 15569
  },
  "release_id": "2026.08.8",
  "resident_register_age": {
    "age_classes": 21,
    "areas_never_observed": [
      "13100"
    ],
    "columns": 50,
    "derivation": "master-left panel of every area in this release by every survey year and every published sex row; published codes followed forward through the official revision list exactly as the population panel does",
    "excluded_other_aggregate_or_unresolved_rows": 11289,
    "master_areas": 1919,
    "observed_rows": 68967,
    "rows": 69084,
    "rows_resolved_through_a_code_revision": 18,
    "rows_with_unaccounted_residents": 14365,
    "sex_rows": [
      "total",
      "male",
      "female"
    ],
    "source_national_rows": 36,
    "source_prefecture_total_rows": 1692,
    "survey_years": [
      2015,
      2016,
      2017,
      2018,
      2019,
      2020,
      2021,
      2022,
      2023,
      2024,
      2025,
      2026
    ],
    "total_rows_with_sex_unspecified_residents": 25,
    "unobserved_rows": 117
  },
  "resident_register_annual": {
    "absorbed_predecessor_rows": [
      {
        "current_standard_area_code": "09203",
        "source_area_name_ja": "下都賀郡岩舟町",
        "source_local_government_code": "093670",
        "survey_year": "2014"
      }
    ],
    "area_years_resolved_through_a_code_revision": 8,
    "area_years_smaller_than_the_current_area": 1,
    "areas_never_observed": [
      "13100"
    ],
    "columns": 55,
    "derivation": "master-left panel of every area in this release by every survey year; published codes followed forward through the official revision list, and rows whose chain ends in an unresolved reorganization dropped rather than attributed to one of several successors",
    "dynamics_masked_area_years": 3,
    "excluded_other_aggregate_or_unresolved_codes": [
      "02300",
      "02320",
      "02340",
      "02360",
      "02380",
      "02400",
      "02420",
      "02440",
      "03300",
      "03320",
      "03360",
      "03380",
      "03400",
      "03440",
      "03460",
      "03480",
      "03500",
      "03520",
      "04300",
      "04320",
      "04340",
      "04360",
      "04400",
      "04420",
      "04440",
      "04500",
      "04580",
      "04600",
      "05300",
      "05320",
      "05340",
      "05360",
      "05420",
      "05460",
      "06300",
      "06320",
      "06340",
      "06360",
      "06380",
      "06400",
      "06420",
      "06460",
      "07300",
      "07320",
      "07340",
      "07360",
      "07400",
      "07420",
      "07440",
      "07460",
      "07480",
      "07500",
      "07520",
      "07540",
      "07560",
      "08300",
      "08340",
      "08360",
      "08440",
      "08520",
      "08540",
      "08560",
      "09300",
      "09340",
      "09360",
      "09380",
      "09400",
      "10340",
      "10360",
      "10380",
      "10420",
      "10440",
      "10460",
      "10520",
      "11300",
      "11320",
      "11340",
      "11360",
      "11380",
      "11400",
      "11440",
      "11460",
      "12320",
      "12340",
      "12400",
      "12420",
      "12440",
      "12460",
      "13300",
      "13360",
      "14300",
      "14320",
      "14340",
      "14360",
      "14380",
      "14400",
      "15300",
      "15340",
      "15360",
      "15380",
      "15400",
      "15460",
      "15480",
      "15500",
      "15580",
      "16320",
      "16340",
      "17320",
      "17360",
      "17380",
      "17400",
      "17460",
      "18320",
      "18380",
      "18400",
      "18420",
      "18440",
      "18480",
      "18500",
      "19340",
      "19360",
      "19380",
      "19420",
      "19440",
      "20300",
      "20320",
      "20340",
      "20360",
      "20380",
      "20400",
      "20420",
      "20440",
      "20480",
      "20520",
      "20540",
      "20560",
      "20580",
      "20600",
      "21300",
      "21340",
      "21360",
      "21380",
      "21400",
      "21420",
      "21500",
      "21520",
      "21600",
      "22131",
      "22132",
      "22133",
      "22134",
      "22135",
      "22136",
      "22137",
      "22300",
      "22320",
      "22340",
      "22420",
      "22460",
      "23300",
      "23340",
      "23360",
      "23420",
      "23440",
      "23500",
      "23560",
      "24300",
      "24320",
      "24340",
      "24440",
      "24460",
      "24540",
      "24560",
      "25380",
      "25420",
      "25440",
      "26300",
      "26320",
      "26340",
      "26360",
      "26400",
      "26460",
      "27300",
      "27320",
      "27340",
      "27360",
      "27380",
      "28300",
      "28360",
      "28380",
      "28440",
      "28460",
      "28480",
      "28500",
      "28580",
      "29320",
      "29340",
      "29360",
      "29380",
      "29400",
      "29420",
      "29440",
      "30300",
      "30340",
      "30360",
      "30380",
      "30400",
      "30420",
      "31300",
      "31320",
      "31360",
      "31380",
      "31400",
      "32340",
      "32380",
      "32440",
      "32500",
      "32520",
      "33340",
      "33420",
      "33440",
      "33460",
      "33580",
      "33600",
      "33620",
      "33640",
      "33660",
      "33680",
      "34300",
      "34360",
      "34420",
      "34460",
      "34540",
      "35300",
      "35320",
      "35340",
      "35500",
      "36300",
      "36320",
      "36340",
      "36360",
      "36380",
      "36400",
      "36460",
      "36480",
      "37320",
      "37340",
      "37360",
      "37380",
      "37400",
      "38340",
      "38380",
      "38400",
      "38420",
      "38440",
      "38480",
      "38500",
      "39300",
      "39340",
      "39360",
      "39380",
      "39400",
      "39420",
      "40300",
      "40340",
      "40380",
      "40400",
      "40420",
      "40440",
      "40500",
      "40520",
      "40540",
      "40600",
      "40620",
      "40640",
      "41320",
      "41340",
      "41380",
      "41400",
      "41420",
      "41440",
      "42300",
      "42320",
      "42380",
      "42400",
      "43340",
      "43360",
      "43400",
      "43420",
      "43440",
      "43460",
      "43480",
      "43500",
      "43520",
      "44320",
      "44340",
      "44460",
      "45340",
      "45360",
      "45380",
      "45400",
      "45420",
      "45440",
      "46300",
      "46380",
      "46400",
      "46440",
      "46460",
      "46480",
      "46500",
      "46520",
      "47300",
      "47320",
      "47340",
      "47370",
      "47380"
    ],
    "excluded_other_aggregate_or_unresolved_rows": 4086,
    "master_areas": 1919,
    "observed_area_years": 24904,
    "observed_areas_per_year": {
      "2014": 1915,
      "2015": 1915,
      "2016": 1915,
      "2017": 1915,
      "2018": 1915,
      "2019": 1915,
      "2020": 1915,
      "2021": 1915,
      "2022": 1915,
      "2023": 1915,
      "2024": 1918,
      "2025": 1918,
      "2026": 1918
    },
    "population_masked_area_years": 0,
    "rows": 24947,
    "source_national_rows": 13,
    "source_prefecture_total_rows": 611,
    "survey_years": [
      2014,
      2015,
      2016,
      2017,
      2018,
      2019,
      2020,
      2021,
      2022,
      2023,
      2024,
      2025,
      2026
    ],
    "unobserved_area_years": 43
  },
  "resident_register_population_wide": {
    "areas_missing_at_least_one_year": 4,
    "areas_with_every_year": 1915,
    "derivation": "population_total pivoted from the annual panel with no imputation",
    "rows": 1919,
    "survey_years": [
      2014,
      2015,
      2016,
      2017,
      2018,
      2019,
      2020,
      2021,
      2022,
      2023,
      2024,
      2025,
      2026
    ],
    "value_columns": 13
  },
  "schema_version": "1.7.0",
  "ssds_indicators": {
    "columns": 31,
    "indicators": 14,
    "missing_values": 440,
    "populated_values": 26426,
    "rows": 26866,
    "unique_area_indicator_keys": 26866
  },
  "ssds_indicators_wide": {
    "areas_with_complete_indicators": 1742,
    "columns": 22,
    "derivation": "ssds_indicators pivoted on indicator_code; column names carry the actual observation year and values are copied without imputation",
    "indicators": 14,
    "missing_values": 440,
    "populated_values": 26426,
    "rows": 1919,
    "value_columns": [
      "population_65_and_over_2020",
      "resident_register_population_total_2024",
      "live_births_2023",
      "deaths_2023",
      "in_migrants_from_other_municipalities_2024",
      "out_migrants_to_other_municipalities_2024",
      "taxable_income_million_yen_2024",
      "income_taxpayers_2024",
      "elementary_schools_2024",
      "elementary_school_students_2024",
      "general_hospitals_2023",
      "physicians_2022",
      "elderly_nursing_facilities_2023",
      "nursery_centers_2023"
    ]
  },
  "upstream": {
    "census": {
      "census_municipality_rows": 1913,
      "master_rows": 1919,
      "matched_rows": 1913,
      "missing_census_codes": [
        "01695",
        "01696",
        "01697",
        "01698",
        "01699",
        "01700"
      ],
      "missing_census_rows": 6
    },
    "resident_register": {
      "excluded_other_aggregate_rows": 308,
      "master_rows": 1919,
      "matched_rows": 1918,
      "missing_resident_register_codes": [
        "13100"
      ],
      "missing_resident_register_rows": 1,
      "municipality_rows_with_sex_unspecified_population": 18,
      "natural_change_rate_all_increase_symbols": 0,
      "population_change_rate_all_increase_symbols": 0,
      "resident_register_municipality_rows": 1918,
      "social_change_rate_all_increase_symbols": 0,
      "source_data_rows": 2274,
      "source_local_government_rows": 2273,
      "source_national_rows": 1,
      "source_prefecture_total_rows": 47
    },
    "resident_register_annual": {
      "dynamics_period_pattern": "the full calendar year before the observation date",
      "excluded_years": {
        "2013 and earlier": "2013 is total-resident scope but observes on 31 March over a fiscal year, and its dynamics absorb the one-off July 2012 transfer of foreign residents onto the register; the publisher left every rate column blank. 2012 and earlier cover Japanese residents only."
      },
      "first_survey_year": 2014,
      "last_survey_year": 2026,
      "observation_date_pattern": "MM-DD 01-01 in every year",
      "per_year": {
        "2014": {
          "dynamics_end_date": "2013-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2013-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2014-01-01",
          "published_at": "2014-06-25T17:00:00+09:00",
          "source_rows": 2280,
          "stat_inf_id": "000025711034",
          "table_number": "14-03"
        },
        "2015": {
          "dynamics_end_date": "2014-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2014-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2015-01-01",
          "published_at": "2015-07-01T17:00:00+09:00",
          "source_rows": 2279,
          "stat_inf_id": "000030438568",
          "table_number": "15-03"
        },
        "2016": {
          "dynamics_end_date": "2015-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2015-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2016-01-01",
          "published_at": "2016-07-13T17:00:00+09:00",
          "source_rows": 2279,
          "stat_inf_id": "000031430150",
          "table_number": "16-03"
        },
        "2017": {
          "dynamics_end_date": "2016-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2016-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2017-01-01",
          "published_at": "2017-07-05T17:00:00+09:00",
          "source_rows": 2279,
          "stat_inf_id": "000031598538",
          "table_number": "17-03"
        },
        "2018": {
          "dynamics_end_date": "2017-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2017-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2018-01-01",
          "published_at": "2018-07-11T17:00:00+09:00",
          "source_rows": 2279,
          "stat_inf_id": "000031736913",
          "table_number": "18-03"
        },
        "2019": {
          "dynamics_end_date": "2018-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2018-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2019-01-01",
          "published_at": "2019-07-10T17:00:00+09:00",
          "source_rows": 2278,
          "stat_inf_id": "000031843908",
          "table_number": "19-03"
        },
        "2020": {
          "dynamics_end_date": "2019-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2019-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2020-01-01",
          "published_at": "2020-08-05T17:00:00+09:00",
          "source_rows": 2278,
          "stat_inf_id": "000031971203",
          "table_number": "20-03"
        },
        "2021": {
          "dynamics_end_date": "2020-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2020-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2021-01-01",
          "published_at": "2021-08-04T17:00:00+09:00",
          "source_rows": 2278,
          "stat_inf_id": "000040306659",
          "table_number": "21-03"
        },
        "2022": {
          "dynamics_end_date": "2021-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2021-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2022-01-01",
          "published_at": "2022-08-09T17:00:00+09:00",
          "source_rows": 2278,
          "stat_inf_id": "000032224636",
          "table_number": "22-03"
        },
        "2023": {
          "dynamics_end_date": "2022-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2022-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2023-01-01",
          "published_at": "2023-07-26T17:00:00+09:00",
          "source_rows": 2278,
          "stat_inf_id": "000040306647",
          "table_number": "23-03"
        },
        "2024": {
          "dynamics_end_date": "2023-12-31",
          "dynamics_masked_rows": 3,
          "dynamics_start_date": "2023-01-01",
          "population_masked_rows": 7,
          "population_observation_date": "2024-01-01",
          "published_at": "2024-07-24T17:00:00+09:00",
          "source_rows": 2281,
          "stat_inf_id": "000040306672",
          "table_number": "24-03"
        },
        "2025": {
          "dynamics_end_date": "2024-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2024-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2025-01-01",
          "published_at": "2025-08-06T17:00:00+09:00",
          "source_rows": 2274,
          "stat_inf_id": "000040306653",
          "table_number": "25-03"
        },
        "2026": {
          "dynamics_end_date": "2025-12-31",
          "dynamics_masked_rows": 0,
          "dynamics_start_date": "2025-01-01",
          "population_masked_rows": 0,
          "population_observation_date": "2026-01-01",
          "published_at": "2026-07-29T17:00:00+09:00",
          "source_rows": 2274,
          "stat_inf_id": "000040479049",
          "table_number": "26-03"
        }
      },
      "release_status": "published",
      "residency_scope": "total_residents",
      "rows": 29615,
      "survey_years": [
        2014,
        2015,
        2016,
        2017,
        2018,
        2019,
        2020,
        2021,
        2022,
        2023,
        2024,
        2025,
        2026
      ]
    },
    "ssds": {
      "area_not_in_source_values": 84,
      "master_rows": 1919,
      "matched_municipality_rows": 1913,
      "missing_source_codes": [
        "01695",
        "01696",
        "01697",
        "01698",
        "01699",
        "01700"
      ],
      "missing_source_municipality_rows": 6,
      "missing_values": 440,
      "missing_values_by_indicator": {
        "A1303": 8,
        "A2301": 6,
        "A4101": 8,
        "A4200": 8,
        "A5103": 6,
        "A5104": 6,
        "C120110": 177,
        "C120120": 177,
        "E2101": 6,
        "E2501": 6,
        "I510120": 8,
        "I6100": 8,
        "J230127": 8,
        "J250302": 8
      },
      "output_rows": 26866,
      "populated_values": 26426,
      "selected_indicators": 14,
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}