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Metadata Glossary

CodeTM.TAX.TCOM.BC.ZS
Indicator NameBinding coverage, primary products (%)
Short definitionBinding coverage is the percentage of product lines with an agreed bound rate. Bound rates result from trade negotiations incorporated into a country's schedule of concessions and are thus enforceable. Primary products are commodities classified in SITC revision 3 sections 0-4 plus division 68 (nonferrous metals).
Long definitionBinding coverage is the percentage of product lines with an agreed bound rate. Bound rates result from trade negotiations incorporated into a country's schedule of concessions and are thus enforceable. Primary products are commodities classified in SITC revision 3 sections 0-4 plus division 68 (nonferrous metals).
SourceStaff estimates, World Bank (WB); World Integrated Trade Solution system (WITS), World Bank (WB); World Trade Organization (WTO)
TopicTrade
DatasetWDI
PeriodicityAnnual
Reference period1995-2022
Statistical concept and methodologyMethodology: This indicator is calculated as the proportion of tariff lines for primary products that are bound under World Trade Organization (WTO) commitments. A tariff line is considered bound if a maximum rate is legally committed in the WTO schedule of concessions. The binding coverage is computed by dividing the number of bound tariff lines by the total number of tariff lines in the relevant product category and multiplying the result by 100 to express it as a percentage. Binding coverage is the percentage of product lines with an agreed bound rate. Bound rates result from trade negotiations incorporated into a country's schedule of concessions and are thus enforceable. Primary products are commodities classified in Standard International Trade Classification (SITC) revision 3 sections 0-4 plus division 68 (nonferrous metals). Tariff data are primarily sourced from the World Trade Organization (WTO) Consolidated Tariff Schedules (Consolidated Tariff Schedules (CTS)) and Integrated Database (Integrated Database (IDB)), with supplementary inputs from the United Nations Conference on Trade and Development (United Nations Conference on Trade and Development (UNCTAD)). Data are submitted by national authorities using the Harmonized System (Harmonized System (HS)) classification. The WTO Secretariat validates and harmonizes submissions to a common HS version for comparability. Data are generally updated annually or as new schedules are submitted. Due to validation and alignment processes, there is typically a one- to two-year time lag between national reporting and publication. The indicator is compiled using only officially reported bound statuses without imputation. It is methodologically consistent across countries, with tariff line concordance procedures applied to standardize classification and maintain comparability across HS revisions.
License URLhttps://datacatalog.worldbank.org/public-licenses#cc-by
License TypeCC BY-4.0
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