{
  "id-zmienna": 24,
  "nazwa": "Natural increase per 1000 population",
  "nazwa-skrocona": "Natural increase per 1000 population",
  "tagi": [
    {
      "id-tag": 754,
      "nazwa-tag": "births"
    },
    {
      "id-tag": 760,
      "nazwa-tag": "deaths"
    },
    {
      "id-tag": 853,
      "nazwa-tag": "rate"
    },
    {
      "id-tag": 1595,
      "nazwa-tag": "demography"
    }
  ],
  "pojecia": [
    {
      "id-pojecie": 869,
      "nazwa-pojecie": "Natural increase rate",
      "definicja": "<p>\n\tRatio of difference between the number of live births and deaths to population in the middle of the period or to the average population during this period.</p>\n",
      "uwagi": "<p>\n\tNatural increase rates (as well as rates for other vital statistics events) for different periods (month, quarter, half year, three quarters, etc.) are calculated on an annual basis, i.e. that the examined facts recorded in a given period increase accordingly to the annual volumes, e.g. for the rate calculated for the period: - month - the number of facts is multiplied by 12, -quarter - by 4, - half of the year - by 2, -three quarters - by 4/3.</p>\n",
      "data-poczatku-pojecie": "1999-07-01",
      "data-konca-pojecie": "2017-12-31"
    },
    {
      "id-pojecie": 3956,
      "nazwa-pojecie": "Natural increase rate",
      "definicja": "<p>Ratio of difference between the number of live births and deaths to population in the middle of the period or to the average population during this period - expressed in ‰ (i.e. per 1000 population).</p>",
      "uwagi": "<p>Natural increase rates (as well as rates for other vital statistics events) for different periods (month, quarter, half year, three quarters, etc.) are calculated on an annual basis, i.e. that the examined facts recorded in a given period increase accordingly to the annual volumes, e.g. for the rate calculated for the period: - month - the number of facts is multiplied by 12, -quarter - by 4, - half of the year - by 2, -three quarters - by 4/3</p>",
      "data-poczatku-pojecie": "2018-01-01",
      "data-konca-pojecie": "9999-12-31"
    }
  ],
  "wyjasnienia-metodologiczne": {
    "notki": []
  },
  "przekroje": [
    {
      "id-przekroj": 16,
      "nazwa-przekroj": "Poland - monthly data",
      "szereg-czasowy": "2010 - 2026",
      "id-czestotliwosc": 3,
      "nazwa-czestotliwosc": "Month",
      "aktualizacja-ostatnia": "2026-10-19",
      "aktualizacja-kolejna": "2026-10-23"
    },
    {
      "id-przekroj": 1193,
      "nazwa-przekroj": "Poland, voivodships, powiats, gminas, parts of gminas; Type of locality; Sex",
      "szereg-czasowy": "2002 - 2025",
      "id-czestotliwosc": 1,
      "nazwa-czestotliwosc": "Year",
      "aktualizacja-ostatnia": "2026-07-13",
      "aktualizacja-kolejna": "2027-07-06"
    },
    {
      "id-przekroj": 1193,
      "nazwa-przekroj": "Poland, voivodships, powiats, gminas, parts of gminas; Type of locality; Sex",
      "szereg-czasowy": "2002 - 2026",
      "id-czestotliwosc": 4,
      "nazwa-czestotliwosc": "Half-year",
      "aktualizacja-ostatnia": "2025-11-05",
      "aktualizacja-kolejna": "2026-10-30"
    },
    {
      "id-przekroj": 1197,
      "nazwa-przekroj": "Poland, macroregions, regions, subregions; Type of locality; Sex",
      "szereg-czasowy": "2002 - 2025",
      "id-czestotliwosc": 1,
      "nazwa-czestotliwosc": "Year",
      "aktualizacja-ostatnia": "2026-07-13",
      "aktualizacja-kolejna": "2027-07-06"
    },
    {
      "id-przekroj": 1197,
      "nazwa-przekroj": "Poland, macroregions, regions, subregions; Type of locality; Sex",
      "szereg-czasowy": "2002 - 2026",
      "id-czestotliwosc": 4,
      "nazwa-czestotliwosc": "Half-year",
      "aktualizacja-ostatnia": "2025-11-05",
      "aktualizacja-kolejna": "2026-10-30"
    }
  ],
  "zestawy": [
    {
      "id-zestaw": 639,
      "nazwa-zestaw": "Register of civil status",
      "id-gestor": 754,
      "nazwa-gestor": "Ministry of Digital Affairs "
    }
  ],
  "badania": [
    {
      "id-badanie": 40,
      "symbol-badanie": "1.21.07",
      "temat-badanie": "Balance of the state and structure of the population based on demographic characteristics"
    }
  ],
  "akty-prawne": [
    {}
  ],
  "jednostki": [
    {
      "id-jednostka": 593,
      "nazwa-jednostki": "Demographic Research Department"
    }
  ]
}