{
  "pageType": "HS4 subsector trade overview",
  "source": "api",
  "title": "Chalk (HS4 2509) Trade Overview | Yugalinks",
  "description": "Review reported global trade for chalk at HS4 2509, including scale, trend, corridors, countries, and the HS6 products within this subsector.",
  "canonical": "https://www.yugalinks.com/trade/sector/hs4/2509",
  "publisher": {
    "name": "Yugalinks",
    "url": "https://www.yugalinks.com",
    "linkedin": "https://in.linkedin.com/company/yugalinks",
    "sameAs": [
      "https://in.linkedin.com/company/yugalinks"
    ]
  },
  "sourceAttribution": {
    "publisher": "OECD",
    "dataset": "Balanced international merchandise trade statistics (BIMTS) - HS2017-6D",
    "year": 2025,
    "citation": "OECD (2025), Balanced international merchandise trade statistics (BIMTS) - HS2017-6D, OECD Data Explorer (accessed on 2026-08-27)",
    "sourceUrl": "https://data-explorer.oecd.org/",
    "dataflowUrl": "https://sdmx.oecd.org/sti-public/rest/dataflow/OECD.SDD.TPS/DSD_BIMTS_6D@DF_BIMTS_HS2017_6D/1.0",
    "termsUrl": "https://www.oecd.org/termsandconditions/",
    "terms": "OECD Terms & Conditions",
    "accessed": "2026-08-27",
    "supportingSources": [
      {
        "publisher": "CEPII",
        "dataset": "BACI bilateral trade flows",
        "release": "202601",
        "citation": "Gaulier, G. and Zignago, S. (2010), BACI: International Trade Database at the Product-Level. The 1994-2007 Version, CEPII Working Paper No. 2010-23.",
        "sourceUrl": "https://www.cepii.fr/DATA_DOWNLOAD/baci/doc/baci_webpage.html",
        "datasetUrl": "https://www.cepii.fr/CEPII/en/bdd_modele/bdd_modele_item.asp?id=37",
        "licenseUrl": "https://www.etalab.gouv.fr/wp-content/uploads/2018/11/open-licence.pdf",
        "license": "Etalab 2.0 Open Licence",
        "accessed": "2026-08-27"
      }
    ]
  },
  "links": {
    "html": "https://www.yugalinks.com/trade/sector/hs4/2509/index.html",
    "markdown": "https://www.yugalinks.com/trade/sector/hs4/2509/index.md",
    "json": "https://www.yugalinks.com/trade/sector/hs4/2509/index.json",
    "jsonLd": "https://www.yugalinks.com/trade/sector/hs4/2509/index.ld.json",
    "linkedin": "https://in.linkedin.com/company/yugalinks"
  },
  "internalLinks": {
    "workspace": "https://www.yugalinks.com/app",
    "platform": "https://www.yugalinks.com/platform",
    "methodology": "https://www.yugalinks.com/methodology",
    "dataSources": "https://www.yugalinks.com/data-sources",
    "dataCoverage": "https://www.yugalinks.com/data-coverage",
    "responsibleAi": "https://www.yugalinks.com/responsible-ai"
  },
  "subsector": {
    "hs4": "2509",
    "name": "Chalk"
  },
  "coverage": {
    "firstDataYear": 1995,
    "latestDataYear": 2024,
    "yearsWithData": 30,
    "refreshedAt": "2026-07-20 09:34:09"
  },
  "answer": "The chalk subsector recorded $128.4M in reported global trade in 2024, with -2% annual change.",
  "keyFigures": {
    "latestTradeUsd": 128363128.71683067,
    "latestAnnualChangePct": -1.9992200986919673,
    "activeExporters": 121,
    "activeImporters": 187,
    "activeHs6Products": 1
  },
  "growthAndStructure": {
    "trendLabel": "Stable",
    "tradeCagr3yPct": -2.339901812636691,
    "tradeCagr5yPct": -3.4408489871416204,
    "historicalPeakUsd": 266249532.9090245,
    "historicalPeakYear": 2007,
    "positiveGrowthYearSharePct": 44.827586206896555,
    "exporterConcentrationHhi": 1017.1398421965753,
    "importerConcentrationHhi": 645.2736581888914,
    "tradeVolatilityCv": 0.27552121241979677
  },
  "annualRows": [
    {
      "year": 1995,
      "hs4": 2509,
      "global_trade_usd": 90581327.04594898,
      "corridor_count": 867,
      "active_hs6_count": 1
    },
    {
      "year": 1996,
      "hs4": 2509,
      "global_trade_usd": 101958827.24726301,
      "corridor_count": 849,
      "active_hs6_count": 1
    },
    {
      "year": 1997,
      "hs4": 2509,
      "global_trade_usd": 95685765.64549434,
      "corridor_count": 918,
      "active_hs6_count": 1
    },
    {
      "year": 1998,
      "hs4": 2509,
      "global_trade_usd": 87347277.54446644,
      "corridor_count": 920,
      "active_hs6_count": 1
    },
    {
      "year": 1999,
      "hs4": 2509,
      "global_trade_usd": 110209746.25402838,
      "corridor_count": 1081,
      "active_hs6_count": 1
    },
    {
      "year": 2000,
      "hs4": 2509,
      "global_trade_usd": 106470582.90523824,
      "corridor_count": 1255,
      "active_hs6_count": 1
    },
    {
      "year": 2001,
      "hs4": 2509,
      "global_trade_usd": 101718008.23276207,
      "corridor_count": 1243,
      "active_hs6_count": 1
    },
    {
      "year": 2002,
      "hs4": 2509,
      "global_trade_usd": 99156915.8129466,
      "corridor_count": 1307,
      "active_hs6_count": 1
    },
    {
      "year": 2003,
      "hs4": 2509,
      "global_trade_usd": 130070439.4520745,
      "corridor_count": 1307,
      "active_hs6_count": 1
    },
    {
      "year": 2004,
      "hs4": 2509,
      "global_trade_usd": 165322842.4702853,
      "corridor_count": 1339,
      "active_hs6_count": 1
    },
    {
      "year": 2005,
      "hs4": 2509,
      "global_trade_usd": 161161536.32026425,
      "corridor_count": 1432,
      "active_hs6_count": 1
    },
    {
      "year": 2006,
      "hs4": 2509,
      "global_trade_usd": 179903717.15987855,
      "corridor_count": 1452,
      "active_hs6_count": 1
    },
    {
      "year": 2007,
      "hs4": 2509,
      "global_trade_usd": 266249532.9090245,
      "corridor_count": 1508,
      "active_hs6_count": 1
    },
    {
      "year": 2008,
      "hs4": 2509,
      "global_trade_usd": 216705015.39749753,
      "corridor_count": 1563,
      "active_hs6_count": 1
    },
    {
      "year": 2009,
      "hs4": 2509,
      "global_trade_usd": 179672755.03560817,
      "corridor_count": 1540,
      "active_hs6_count": 1
    },
    {
      "year": 2010,
      "hs4": 2509,
      "global_trade_usd": 190608347.7616094,
      "corridor_count": 1514,
      "active_hs6_count": 1
    },
    {
      "year": 2011,
      "hs4": 2509,
      "global_trade_usd": 196045943.85108003,
      "corridor_count": 1577,
      "active_hs6_count": 1
    },
    {
      "year": 2012,
      "hs4": 2509,
      "global_trade_usd": 191149437.77708387,
      "corridor_count": 1523,
      "active_hs6_count": 1
    },
    {
      "year": 2013,
      "hs4": 2509,
      "global_trade_usd": 187525400.17478782,
      "corridor_count": 1561,
      "active_hs6_count": 1
    },
    {
      "year": 2014,
      "hs4": 2509,
      "global_trade_usd": 164795736.99080837,
      "corridor_count": 1618,
      "active_hs6_count": 1
    },
    {
      "year": 2015,
      "hs4": 2509,
      "global_trade_usd": 140583593.8185224,
      "corridor_count": 1632,
      "active_hs6_count": 1
    },
    {
      "year": 2016,
      "hs4": 2509,
      "global_trade_usd": 146525329.15071258,
      "corridor_count": 1563,
      "active_hs6_count": 1
    },
    {
      "year": 2017,
      "hs4": 2509,
      "global_trade_usd": 160532500.2644231,
      "corridor_count": 1676,
      "active_hs6_count": 1
    },
    {
      "year": 2018,
      "hs4": 2509,
      "global_trade_usd": 163020158.96081185,
      "corridor_count": 1650,
      "active_hs6_count": 1
    },
    {
      "year": 2019,
      "hs4": 2509,
      "global_trade_usd": 152923102.6999755,
      "corridor_count": 1674,
      "active_hs6_count": 1
    },
    {
      "year": 2020,
      "hs4": 2509,
      "global_trade_usd": 135809885.93149468,
      "corridor_count": 1569,
      "active_hs6_count": 1
    },
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      "year": 2021,
      "hs4": 2509,
      "global_trade_usd": 137812567.6267509,
      "corridor_count": 1649,
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      "year": 2022,
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      "year": 2023,
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      "corridor_count": 1768,
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    },
    {
      "year": 2024,
      "hs4": 2509,
      "global_trade_usd": 128363128.71683067,
      "corridor_count": 1813,
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    }
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      "refreshed_at": "2026-07-20 09:37:48",
      "exporter_name": "France",
      "importer_name": "Belgium"
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      "exporter_name": "Jordan",
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      "distance_km": 431,
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      "year": 2024,
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    {
      "year": 2024,
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      "imports_usd": 3218182.1364964917,
      "trade_balance_usd": -2384441.407177066,
      "export_partner_count": 6,
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      "active_hs6_count": 1,
      "country_name": "Saudi Arabia"
    },
    {
      "year": 2024,
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      "imports_usd": 2511609.4076723233,
      "trade_balance_usd": -2475746.916511986,
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  ],
  "products": [
    {
      "hs_code": "250900",
      "product_name": "Chalk"
    }
  ],
  "methodology": {
    "reportedValues": "Merchandise trade observations aggregated to HS4.",
    "calculatedIndicators": "Growth, concentration, volatility, and peak comparisons calculated from reported observations.",
    "missingData": "Missing values remain unavailable and are not imputed."
  }
}