{"entity":{"iso2":"CN","iso3":"CHN","name":"China","slug":"china"},"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":4.3325},{"date":"2001-01-01","value":4.2315},{"date":"2002-01-01","value":4.0586},{"date":"2003-01-01","value":4.1174},{"date":"2004-01-01","value":3.8097},{"date":"2005-01-01","value":3.6427},{"date":"2006-01-01","value":3.6037},{"date":"2007-01-01","value":3.7633},{"date":"2008-01-01","value":3.3743},{"date":"2009-01-01","value":3.6715},{"date":"2010-01-01","value":3.4708},{"date":"2011-01-01","value":3.1825},{"date":"2012-01-01","value":3.0603},{"date":"2013-01-01","value":2.9141},{"date":"2014-01-01","value":3.1211},{"date":"2015-01-01","value":3.0371},{"date":"2016-01-01","value":2.9629},{"date":"2017-01-01","value":2.8197},{"date":"2018-01-01","value":2.8257},{"date":"2019-01-01","value":2.6127},{"date":"2020-01-01","value":2.6123},{"date":"2021-01-01","value":2.639},{"date":"2022-01-01","value":2.4939},{"date":"2023-01-01","value":2.3979},{"date":"2024-01-01","value":2.3382}],"summary":{"latest_period":"2024-01-01","latest_value":2.3382,"max":4.3325,"mean":3.24374,"min":2.3382,"of":115,"rank":52,"trend":"falling"}}