{"entity":{"iso2":"ZM","iso3":"ZMB","name":"Zambia","slug":"zambia"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"maize-yield-gap","source":"Mueller et al. (2012); USDA National Agricultural Statistics Service (NASS) (2026); Food and Agriculture Organization of the United Nations (2025) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/maize-yield-gap","title":"Corn: Yield gap","unit":"tonnes per hectare"},"observations":[{"date":"2000-01-01","value":3.448},{"date":"2001-01-01","value":3.842},{"date":"2002-01-01","value":3.5491},{"date":"2003-01-01","value":3.4944},{"date":"2004-01-01","value":3.2961},{"date":"2005-01-01","value":3.3606},{"date":"2006-01-01","value":2.9187},{"date":"2007-01-01","value":2.8858},{"date":"2008-01-01","value":2.9758},{"date":"2009-01-01","value":3.1508},{"date":"2010-01-01","value":2.6329},{"date":"2011-01-01","value":2.4786},{"date":"2012-01-01","value":2.5655},{"date":"2013-01-01","value":2.6818},{"date":"2014-01-01","value":2.4398},{"date":"2015-01-01","value":2.189},{"date":"2016-01-01","value":2.7384},{"date":"2017-01-01","value":2.7049},{"date":"2018-01-01","value":3.0148},{"date":"2019-01-01","value":2.8386},{"date":"2020-01-01","value":2.6798},{"date":"2021-01-01","value":2.6526},{"date":"2022-01-01","value":2.7939},{"date":"2023-01-01","value":2.9204},{"date":"2024-01-01","value":3.012}],"summary":{"latest_period":"2024-01-01","latest_value":3.012,"max":3.842,"mean":2.93057,"min":2.189,"of":115,"rank":36,"trend":"falling"}}