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Metadata Glossary

CodeTM.TAX.TCOM.IP.ZS
Indicator NameShare of tariff lines with international peaks, primary products (%)
Long definitionShare of tariff lines with international peaks is the share of lines in the tariff schedule with tariff rates that exceed 15 percent. It provides an indication of how selectively tariffs are applied. 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); Trade Analysis and Information System (TRAINS), UN Conference on Trade and Development (UNCTAD)
TopicTrade
DatasetWDI
PeriodicityAnnual
Statistical concept and methodologyMethodology: This indicator measures the percentage of tariff lines for primary products where the applied most-favored-nation (most-favored-nation (MFN)) rate exceeds 15%, which qualifies as an international tariff peak. It is calculated by dividing the number of tariff lines exceeding the 15% threshold by the total number of lines in the product group and multiplying the result by 100. Share of tariff lines with international peaks is the share of lines in the tariff schedule with tariff rates that exceed 15 percent. It provides an indication of how selectively tariffs are applied. 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 (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 use of a fixed threshold across countries and years ensures cross-national comparability. No imputation is applied. Classification alignment across HS versions is performed to maintain methodological consistency.
License URLhttps://creativecommons.org/licenses/by/4.0/
License TypeCC BY-4.0
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