Special and differential treatment/least developed countries
Tariffs applied to imported goods have been decreasing over time across developed, developing and least developed countries (LDCs). Key drivers of this global trend are the progressive liberalization achieved under the multilateral trading system, as well as, the expansion of preferential market access under regional trade agreements, unilateral tariff liberalization and non-reciprocal preference schemes in recent years.
The Addis Ababa Action Agenda specifically: