{"id": 814764, "name": "Number of states in a region", "unit": "countries", "createdAt": "2023-10-03T15:24:49.000Z", "updatedAt": "2025-03-14T14:56:27.000Z", "coverage": "", "timespan": "1816-2022", "datasetId": 6253, "columnOrder": 0, "shortName": "number_countries", "catalogPath": "grapher/countries/2023-10-01/isd/isd_regions#number_countries", "descriptionShort": "Number of sovereign states in each region.", "descriptionProcessing": "We assign each sovereign state to a region based on the mapping (using ISD/COW codes):\n\n  - Americas: 2-165\n  - Europe: 200-395, 2558, 3375\n  - Africa: 400-626, 4044-6257\n  - Middle East: 630-698, 6821-6845\n  - Asia and Oceania: 700-990, 7003-9210\n\nWe also provide the following extra regions (note that this overlap with 'Africa' and 'Middle East'). These regions are used in Project Mars dataset.\n\n  - North Africa and the Middle East: 435-436, 483, 600-698, 4352-4354, 4763, 4832, 6251-6845\n  - Sub-Saharan Africa: 402-434, 437-482, 484-591, 4044-4343, 4362-4761, 4765-4831, 4841-5814", "type": "int", "dataChecksum": "7795415791841451513", "metadataChecksum": "-8158244069049428927", "datasetName": "States in regions (ISD)", "updatePeriodDays": 1400, "datasetVersion": "2023-10-01", "nonRedistributable": false, "display": {"unit": "countries", "numDecimalPlaces": 0}, "schemaVersion": 2, "processingLevel": "minor", "presentation": {"topicTagsLinks": ["State Capacity", "War & Peace"]}, "descriptionKey": ["Butcher and Griffiths consider a country a sovereign state if it has a population of at least 10,000 people, has internal control over much of its territory, and is externally recognized by its peers and controls its foreign relations."], "dimensions": {"years": {"values": [{"id": 1816}, {"id": 1817}, {"id": 1818}, {"id": 1819}, {"id": 1820}, {"id": 1821}, {"id": 1822}, {"id": 1823}, {"id": 1824}, {"id": 1825}, {"id": 1826}, {"id": 1827}, {"id": 1828}, {"id": 1829}, {"id": 1830}, {"id": 1831}, {"id": 1832}, {"id": 1833}, {"id": 1834}, {"id": 1835}, {"id": 1836}, {"id": 1837}, {"id": 1838}, {"id": 1839}, {"id": 1840}, {"id": 1841}, {"id": 1842}, {"id": 1843}, {"id": 1844}, {"id": 1845}, {"id": 1846}, {"id": 1847}, {"id": 1848}, {"id": 1849}, {"id": 1850}, {"id": 1851}, {"id": 1852}, {"id": 1853}, {"id": 1854}, {"id": 1855}, {"id": 1856}, {"id": 1857}, {"id": 1858}, {"id": 1859}, {"id": 1860}, {"id": 1861}, {"id": 1862}, {"id": 1863}, {"id": 1864}, {"id": 1865}, {"id": 1866}, {"id": 1867}, {"id": 1868}, {"id": 1869}, {"id": 1870}, {"id": 1871}, {"id": 1872}, {"id": 1873}, {"id": 1874}, {"id": 1875}, {"id": 1876}, {"id": 1877}, {"id": 1878}, {"id": 1879}, {"id": 1880}, {"id": 1881}, {"id": 1882}, {"id": 1883}, {"id": 1884}, {"id": 1885}, {"id": 1886}, {"id": 1887}, {"id": 1888}, {"id": 1889}, {"id": 1890}, {"id": 1891}, {"id": 1892}, {"id": 1893}, {"id": 1894}, {"id": 1895}, {"id": 1896}, {"id": 1897}, {"id": 1898}, {"id": 1899}, {"id": 1900}, {"id": 1901}, {"id": 1902}, {"id": 1903}, {"id": 1904}, {"id": 1905}, {"id": 1906}, {"id": 1907}, {"id": 1908}, {"id": 1909}, {"id": 1910}, {"id": 1911}, {"id": 1912}, {"id": 1913}, {"id": 1914}, {"id": 1915}, {"id": 1916}, {"id": 1917}, {"id": 1918}, {"id": 1919}, {"id": 1920}, {"id": 1921}, {"id": 1922}, {"id": 1923}, {"id": 1924}, {"id": 1925}, {"id": 1926}, {"id": 1927}, {"id": 1928}, {"id": 1929}, {"id": 1930}, {"id": 1931}, {"id": 1932}, {"id": 1933}, {"id": 1934}, {"id": 1935}, {"id": 1936}, {"id": 1937}, {"id": 1938}, {"id": 1939}, {"id": 1940}, {"id": 1941}, {"id": 1942}, {"id": 1943}, {"id": 1944}, {"id": 1945}, {"id": 1946}, {"id": 1947}, {"id": 1948}, {"id": 1949}, {"id": 1950}, {"id": 1951}, {"id": 1952}, {"id": 1953}, {"id": 1954}, {"id": 1955}, {"id": 1956}, {"id": 1957}, {"id": 1958}, {"id": 1959}, {"id": 1960}, {"id": 1961}, {"id": 1962}, {"id": 1963}, {"id": 1964}, {"id": 1965}, {"id": 1966}, {"id": 1967}, {"id": 1968}, {"id": 1969}, {"id": 1970}, {"id": 1971}, {"id": 1972}, {"id": 1973}, {"id": 1974}, {"id": 1975}, {"id": 1976}, {"id": 1977}, {"id": 1978}, {"id": 1979}, {"id": 1980}, {"id": 1981}, {"id": 1982}, {"id": 1983}, {"id": 1984}, {"id": 1985}, {"id": 1986}, {"id": 1987}, {"id": 1988}, {"id": 1989}, {"id": 1990}, {"id": 1991}, {"id": 1992}, {"id": 1993}, {"id": 1994}, {"id": 1995}, {"id": 1996}, {"id": 1997}, {"id": 1998}, {"id": 1999}, {"id": 2000}, {"id": 2001}, {"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}, {"id": 2018}, {"id": 2019}, {"id": 2020}, {"id": 2021}, {"id": 2022}]}, "entities": {"values": [{"id": 273, "name": "Africa", "code": null}, {"id": 290, "name": "Americas", "code": null}, {"id": 29325, "name": "Asia and Oceania", "code": null}, {"id": 276, "name": "Europe", "code": null}, {"id": 25487, "name": "Middle East", "code": null}, {"id": 367338, "name": "North Africa and the Middle East", "code": null}, {"id": 289, "name": "Sub-Saharan Africa", "code": null}, {"id": 355, "name": "World", "code": "OWID_WRL"}]}}, "origins": [{"id": 115, "title": "International System Dataset", "description": "The International System(s) Dataset (ISD) is a register of sovereign states across the 1816\u20132016 period that includes numerous states that are missed in commonly used datasets like the Correlates of War (COW) Project.\n\nWhereas ISD version 1 identified 363 states between 1816 and 2011, this version (version 2) identifies 482. It also records valuable information on various corollary variables, including start dates, end dates, estimated population sizes, diplomatic relations with Europe, conflict episodes, borders, and the location of capital cities.\n\nThis dataset makes an important contribution to the study of international relations. It provides a more accurate understanding of the development of the international system over the last two centuries, it moves beyond the Eurocentric bias that sits at the heart of existing quantitative IR scholarship, and it will enable scholars to pursue a range of research topics such as the historical importance of state borders and boundaries, the practices surrounding recognition, and the frequency and intensity of conflict across regions.\n\nFind more details in [their codebookk](https://static1.squarespace.com/static/54eccfa0e4b08d8eee5174af/t/5ef20853f2c09a07f1f8b92b/1592920149383/Codebook+ISD+V2.pdf)", "producer": "Butcher and Griffiths", "citationFull": "Butcher, Charles R., and Ryan D. Griffiths. 2020. States and their International Relations Since 1816: Introducing Version 2 of the International System(s) Dataset (ISD). International Interactions 46(2): 291-308.", "versionProducer": "version 2", "urlMain": "https://www.ryan-griffiths.com/data", "urlDownload": "https://www.ryan-griffiths.com/s/ISD-V2-xlts.xlsx", "dateAccessed": "2023-09-22", "datePublished": "2020-01-17", "license": {"url": "https://creativecommons.org/licenses/by/4.0/", "name": "CC BY 4.0"}}]}