{"id": 815743, "name": "Number of colonizers by region", "unit": "countries", "createdAt": "2023-10-26T15:39:48.000Z", "updatedAt": "2025-09-23T09:57:15.000Z", "coverage": "", "timespan": "1462-2022", "datasetId": 6258, "shortUnit": "", "columnOrder": 0, "shortName": "colonizer_number", "catalogPath": "grapher/harvard/2023-09-18/colonial_dates_dataset/colonial_dates_dataset#colonizer_number", "descriptionShort": "Number of European colonial powers, between Belgium, United Kingdom, France, Germany, Netherlands, Portugal, Spain, and Italy. Colonies are defined in terms of contemporary nation states: along current independent countries and their borders.\n", "descriptionFromProducer": "", "descriptionProcessing": "This is is an aggregation of the number of countries considered European colonial powers, by OWID geographic region or World Bank income groups.\n\nWe include Europe as a region because we conventionally classify Cyprus as a European country. The Colonial Dates Dataset data meanwhile considers Cyprus a European overseas colony.\n\nYears are defined from last date aggregations available in the Colonial Dates Dataset. This means that when sources differ, years of colonization are defined from the last date between them. This is different from mean date aggregations (also available), which averages the dates of colonization across the original sources.\n\nYears have been expanded to show the full range of years in the dataset, from 1462 to 2022. The original dataset only includes the years where a country was colonized.\n\n", "type": "int", "dataChecksum": "14843788140465127574", "metadataChecksum": "9081405360462298556", "datasetName": "Colonial Dates Dataset (COLDAT)", "updatePeriodDays": 365, "datasetVersion": "2023-09-18", "nonRedistributable": false, "display": {"name": "Number of colonizers", "unit": "countries", "conversionFactor": 1, "numDecimalPlaces": 0, "entityAnnotationsMap": ""}, "schemaVersion": 2, "processingLevel": "major", "presentation": {"topicTagsLinks": ["State Capacity"]}, "dimensions": {"years": {"values": [{"id": 1462}, {"id": 1463}, {"id": 1464}, {"id": 1465}, {"id": 1466}, {"id": 1467}, {"id": 1468}, {"id": 1469}, {"id": 1470}, {"id": 1471}, {"id": 1472}, {"id": 1473}, {"id": 1474}, {"id": 1475}, {"id": 1476}, {"id": 1477}, {"id": 1478}, {"id": 1479}, {"id": 1480}, {"id": 1481}, {"id": 1482}, {"id": 1483}, {"id": 1484}, {"id": 1485}, {"id": 1486}, {"id": 1487}, {"id": 1488}, {"id": 1489}, {"id": 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{"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": 275, "name": "Asia", "code": null}, {"id": 276, "name": "Europe", "code": null}, {"id": 115117, "name": "European Union (27)", "code": null}, {"id": 457, "name": "High-income countries", "code": null}, {"id": 461, "name": "Low-income countries", "code": null}, {"id": 460, "name": "Lower-middle-income countries", "code": null}, {"id": 294, "name": "North America", "code": null}, {"id": 277, "name": "Oceania", "code": null}, {"id": 295, "name": "South America", "code": null}, {"id": 459, "name": "Upper-middle-income countries", "code": null}, {"id": 355, "name": "World", "code": "OWID_WRL"}]}}, "origins": [{"id": 144, "title": "Colonial Dates Dataset (COLDAT)", "description": "The Colonial Dates Dataset (COLDAT) aggregates information on the reach and duration of European colonial empires from renowned secondary sources. By aggregating secondary sources, rather than collecting from primary sources, the new dataset reflects the accumulated knowledge in the discipline and relieves researchers from making hard to justify choices between different historical datasets.\nThe dataset only considers the colonial status of countries that are independent today. It also includes overseas colonies only.", "producer": "Bastian Becker", "citationFull": "Becker, Bastian (2019), Introducing COLDAT: The Colonial Dates Dataset, SOCIUM/SFB1342 Working Paper Series, 02/2019. url: https://www.socium.uni-bremen.de/f/51ebd445c4.pdf", "versionProducer": "3.0", "urlMain": "https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/T9SDEW", "dateAccessed": "2023-09-22", "datePublished": "2023-09-21", "license": {"url": "https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/T9SDEW", "name": "CC0"}}, {"id": 8729, "title": "Population", "description": "Gapminder's population data is divided into two chunks: One long historical trend for the global population that goes back to 10,000 BC. And the second chunk is country estimates that only reaches back to 1800.\n\nFor the first chunk, several sources were used. You can learn more at https://docs.google.com/spreadsheets/d/1hkLbEilJbl630IG68q-aQJlUjuTFm9b_12nQMVd1sZM/edit#gid=0. For the second chunk, Gapminder uses UN population data between 1950 to 2100 from the UN Population Division World Population Prospects 2019, and the forecast to the year 2100 uses their medium-fertility variant.\n\nFor years before 1950, this version uses the data documented in greater detail by Mattias Lindgren in version 3. The main source was Angus Maddison's data, which CLIO Infra Project maintained and improved. Note that when combining version 3 with the new UN data, the trends for a few countries didn't match up in the overlapping year 1950.\n\nMinor adjustments were made to the years before and after to smooth out discrepancies between the two sources and avoid spurious jumps in Gapminder's visualisations.\n\nVisit https://www.gapminder.org/data/documentation/gd003/ to learn more about the methodology used and the data from back to 10,000 BC.", "producer": "Gapminder", "citationFull": "Gapminder Population v7 (2022)", "attribution": "Gapminder, Population v7 (2022)", "attributionShort": "Gapminder", "versionProducer": "v7", "urlMain": "http://gapm.io/dpop", "urlDownload": "https://gapm.io/dl_popv7", "dateAccessed": "2023-03-31", "datePublished": "2022-10-19", "license": {"url": "https://docs.google.com/document/d/1-RmthhS2EPMK_HIpnPctcXpB0n7ADSWnXa5Hb3PxNq4/edit?usp=sharing", "name": "CC BY 4.0"}}]}