Tariff barriers, dispersion around the mean, primary products (%) by country

This indicator is calculated as the coefficient of variation of the applied tariff rates including preferential rates that a country applies to its trading partners available at HS 6-digit product level in a country’s customs schedule. As calculated by the World Bank Institute WTI 2008 team.

Countries reporting
37
Highest
4.8%
Egypt
Lowest
0.3%
Ghana
Median
0.6%
Years covered
15
1995–2009
Data points
276

What the numbers show

Tariff barriers, dispersion around the mean, primary products (%) is currently reported for 37 countries. The highest value is 4.8% in Egypt; the lowest is 0.3% in Ghana.

The median across all reporting countries is 0.6%, and the mean is 0.9%.

The gap between the highest and lowest reporting country is a factor of about 15.

Over the past decade 25 countries rose and 12 fell. The largest increase was in Mauritius (up 255.0%), and the largest decrease in Eswatini (down 59.8%).

Tariff barriers, dispersion around the mean, primary products: full country ranking

#Country LatestYear 10-year changeTrend
1 Egypt 4.8% 2009 up 7.3% volatile
2 Mauritius 3.4% 2008 up 255.0% volatile
3 Namibia 1.7% 2008 down 12.1% falling
4 South Africa 1.5% 2009 down 1.3% rising
5 Lesotho 1.4% 2009 up 8.5% rising
5 Eswatini 1.4% 2009 down 59.8% falling
5 Botswana 1.4% 2009 down 39.7% falling
8 Morocco 1.2% 2009 up 11.1% rising
9 Mozambique 0.8% 2007 up 35.8% rising
10 Malawi 0.8% 2008 down 16.2% rising
11 Nigeria 0.7% 2008 up 2.7% falling
12 Kenya 0.7% 2009 down 15.9% rising
13 Uganda 0.7% 2009 up 70.0% rising
13 Zimbabwe 0.7% 2008 down 37.3% flat
13 Angola 0.7% 2009 down 15.1% falling
16 Tanzania, United Republic of 0.7% 2009 up 16.5% rising
16 Madagascar 0.7% 2008 up 14.7% rising
18 Congo 0.6% 2007 up 12.5% rising
18 Central African Republic 0.6% 2007 up 31.0% rising
20 Equatorial Guinea 0.6% 2007 up 109.5% rising
21 Mali 0.6% 2008 down 0.3% rising
21 Niger 0.6% 2008 up 52.8% rising
21 Senegal 0.6% 2008 up 46.0% rising
24 Zambia 0.5% 2009 up 15.0% rising
24 Algeria 0.5% 2009 down 21.6% falling
24 Tunisia 0.5% 2008 up 69.3% rising
27 Guinea-Bissau 0.5% 2009 up 54.1% rising
27 Benin 0.5% 2009 up 41.6% rising
27 Burkina Faso 0.5% 2009 up 12.9% rising
27 Côte d'Ivoire 0.5% 2009 up 32.4% rising
27 Togo 0.5% 2009 up 33.9% rising
27 Gabon 0.5% 2009 up 64.4% rising
33 Chad 0.5% 2009 down 14.4% flat
33 Ethiopia 0.5% 2009 up 11.9% rising
35 Congo, Democratic Republic of the 0.5% 2009 up 29.9% rising
36 Cameroon 0.5% 2009 up 25.7% rising
37 Ghana 0.3% 2009 down 30.5% falling

Regions and income groups

Aggregates are excluded from the country ranking above so that a region can never outrank a country.

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Tariff barriers, dispersion around the mean, primary products by country. Statizoid, drawing on UNCTAD TRAINS database through WITS until 2006, then ITC database. Retrieved 21 August 2026, from https://trade.statizoid.com/stat/tariff-barriers-dispersion-around-the-mean-primary-products-percent/

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About this data

Indicator
Tariff barriers, dispersion around the mean, primary products (%)
Unit
%
Source
UNCTAD TRAINS database through WITS until 2006, then ITC database
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
38 places, 276 data points, 1995–2009
Last refreshed

This indicator is calculated as the coefficient of variation of the applied tariff rates including preferential rates that a country applies to its trading partners available at HS 6-digit product level in a country’s customs schedule. As calculated by the World Bank Institute WTI 2008 team.