玉米产量2021

{
  "chart": {
    "title": "Corn production",
    "subtitle": "Corn (maize) production is measured in tonnes.",
    "citation": "Food and Agriculture Organization of the United Nations (2025)",
    "originalChartUrl": "https://ourworldindata.org/grapher/maize-production",
    "selection": [
      "United States",
      "China",
      "India",
      "European Union",
      "Russia"
    ]
  },
  "columns": {
    "Maize | 00000056 || Production | 005510 || tonnes": {
      "titleShort": "Maize production",
      "titleLong": "Maize production - UN FAO",
      "shortUnit": "t",
      "unit": "tonnes",
      "timespan": "1961-2024",
      "type": "Numeric",
      "owidVariableId": 1198621,
      "shortName": "maize__00000056__production__005510__tonnes",
      "lastUpdated": "2026-02-25",
      "nextUpdate": "2027-02-25",
      "citationShort": "Food and Agriculture Organization of the United Nations (2025) – with major processing by Our World in Data",
      "citationLong": "Food and Agriculture Organization of the United Nations (2025) – with major processing by Our World in Data. “Maize production – UN FAO” [dataset]. Food and Agriculture Organization of the United Nations, “Production: Crops and livestock products” [original data].",
      "fullMetadata": "https://api.ourworldindata.org/v1/indicators/1198621.metadata.json"
    }
  },
  "dateDownloaded": "2026-10-09"
}