{
  "pageType": "HS4 subsector trade overview",
  "source": "api",
  "title": "Slag and ash (HS4 2621) Trade Overview | Yugalinks",
  "description": "Review reported global trade for slag and ash at HS4 2621, including scale, trend, corridors, countries, and the HS6 products within this subsector.",
  "canonical": "https://www.yugalinks.com/trade/sector/hs4/2621",
  "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/hs4/2621/index.html",
    "markdown": "https://www.yugalinks.com/trade/sector/hs4/2621/index.md",
    "json": "https://www.yugalinks.com/trade/sector/hs4/2621/index.json",
    "jsonLd": "https://www.yugalinks.com/trade/sector/hs4/2621/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": "2621",
    "name": "Slag and ash"
  },
  "coverage": {
    "firstDataYear": 1995,
    "latestDataYear": 2024,
    "yearsWithData": 30,
    "refreshedAt": "2026-07-20 09:34:09"
  },
  "answer": "The slag and ash subsector recorded $462.7M in reported global trade in 2024, with +3% annual change.",
  "keyFigures": {
    "latestTradeUsd": 462715355.34313786,
    "latestAnnualChangePct": 2.9897289902927113,
    "activeExporters": 116,
    "activeImporters": 169,
    "activeHs6Products": 2
  },
  "growthAndStructure": {
    "trendLabel": "Declining",
    "tradeCagr3yPct": -6.760225928844566,
    "tradeCagr5yPct": -0.7112623430856613,
    "historicalPeakUsd": 570834580.6188471,
    "historicalPeakYear": 2021,
    "positiveGrowthYearSharePct": 72.41379310344827,
    "exporterConcentrationHhi": 1245.476273315469,
    "importerConcentrationHhi": 1595.3134095516984,
    "tradeVolatilityCv": 0.45093406107249456
  },
  "annualRows": [
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      "year": 1995,
      "hs4": 2621,
      "global_trade_usd": 110358258.1211402,
      "corridor_count": 639,
      "active_hs6_count": 2
    },
    {
      "year": 1996,
      "hs4": 2621,
      "global_trade_usd": 110830088.15317945,
      "corridor_count": 634,
      "active_hs6_count": 2
    },
    {
      "year": 1997,
      "hs4": 2621,
      "global_trade_usd": 121960872.61853412,
      "corridor_count": 681,
      "active_hs6_count": 2
    },
    {
      "year": 1998,
      "hs4": 2621,
      "global_trade_usd": 137020447.7844024,
      "corridor_count": 683,
      "active_hs6_count": 2
    },
    {
      "year": 1999,
      "hs4": 2621,
      "global_trade_usd": 122417400.98048742,
      "corridor_count": 700,
      "active_hs6_count": 2
    },
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      "year": 2000,
      "hs4": 2621,
      "global_trade_usd": 133753762.20213705,
      "corridor_count": 853,
      "active_hs6_count": 2
    },
    {
      "year": 2001,
      "hs4": 2621,
      "global_trade_usd": 151546152.36904833,
      "corridor_count": 903,
      "active_hs6_count": 2
    },
    {
      "year": 2002,
      "hs4": 2621,
      "global_trade_usd": 180132493.37559426,
      "corridor_count": 911,
      "active_hs6_count": 2
    },
    {
      "year": 2003,
      "hs4": 2621,
      "global_trade_usd": 211570311.7941039,
      "corridor_count": 919,
      "active_hs6_count": 2
    },
    {
      "year": 2004,
      "hs4": 2621,
      "global_trade_usd": 223515133.24314526,
      "corridor_count": 941,
      "active_hs6_count": 2
    },
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      "year": 2005,
      "hs4": 2621,
      "global_trade_usd": 249562544.26843926,
      "corridor_count": 1027,
      "active_hs6_count": 2
    },
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      "year": 2006,
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      "global_trade_usd": 269802012.0621137,
      "corridor_count": 1032,
      "active_hs6_count": 2
    },
    {
      "year": 2007,
      "hs4": 2621,
      "global_trade_usd": 320229424.17268795,
      "corridor_count": 1001,
      "active_hs6_count": 2
    },
    {
      "year": 2008,
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      "global_trade_usd": 486258531.76631975,
      "corridor_count": 986,
      "active_hs6_count": 2
    },
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      "year": 2009,
      "hs4": 2621,
      "global_trade_usd": 277493105.1540949,
      "corridor_count": 960,
      "active_hs6_count": 2
    },
    {
      "year": 2010,
      "hs4": 2621,
      "global_trade_usd": 328121763.31164503,
      "corridor_count": 1006,
      "active_hs6_count": 2
    },
    {
      "year": 2011,
      "hs4": 2621,
      "global_trade_usd": 360676684.1725332,
      "corridor_count": 1119,
      "active_hs6_count": 2
    },
    {
      "year": 2012,
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      "corridor_count": 1007,
      "active_hs6_count": 2
    },
    {
      "year": 2013,
      "hs4": 2621,
      "global_trade_usd": 484435335.9916266,
      "corridor_count": 1078,
      "active_hs6_count": 2
    },
    {
      "year": 2014,
      "hs4": 2621,
      "global_trade_usd": 425222111.2456481,
      "corridor_count": 1138,
      "active_hs6_count": 2
    },
    {
      "year": 2015,
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    },
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      "year": 2016,
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      "active_hs6_count": 2
    },
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      "year": 2017,
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      "global_trade_usd": 397619737.45111245,
      "corridor_count": 1120,
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    },
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      "year": 2018,
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      "global_trade_usd": 472920962.2066655,
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    },
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      "year": 2019,
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    },
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      "year": 2020,
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      "country_name": "Viet Nam"
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    },
    {
      "year": 2024,
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      "exports_usd": 187477.88535273095,
      "imports_usd": 16106325.087089332,
      "trade_balance_usd": -15918847.201736601,
      "export_partner_count": 7,
      "import_partner_count": 9,
      "active_hs6_count": 2,
      "country_name": "China, Hong Kong Special Administrative Region"
    },
    {
      "year": 2024,
      "country_iso3": "AUT",
      "hs4": 2621,
      "exports_usd": 1927705.9577985103,
      "imports_usd": 14099075.31320066,
      "trade_balance_usd": -12171369.35540215,
      "export_partner_count": 22,
      "import_partner_count": 36,
      "active_hs6_count": 2,
      "country_name": "Austria"
    }
  ],
  "products": [
    {
      "hs_code": "262100",
      "product_name": "Slag and ash: including seaweed ash (kelp), n.e.s. in chapter 26"
    },
    {
      "hs_code": "262110",
      "product_name": "Slag and ash: ash and residues from the incineration of municipal waste"
    },
    {
      "hs_code": "262190",
      "product_name": "Slag and ash n.e.c. in chapter 26: including seaweed ash (kelp) but excluding ash and residues from the incineration of municipal waste"
    }
  ],
  "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."
  }
}