The United States has unveiled a sweeping new tariff regime targeting imports from 60 economies, with Nigeria, South Africa, Egypt, Morocco, Algeria, Angola and dozens of other countries set to face a 12.5% tariff as President Donald Trump rebuilds his global trade wall under Section 301 of the Trade Act of 1974.

The White House said the new measures stem from an investigation that found many trading partners failed to adequately prevent goods made with forced labor from entering their supply chains, creating what Washington described as an unfair competitive disadvantage for American workers.

Under the presidential memorandum, only 17 economies—including Canada, Mexico, the United Kingdom, India, Bangladesh, Cambodia, Pakistan, Malaysia, Indonesia and Trinidad and Tobago—will receive a lower 10% tariff.

Most other investigated economies, including several of Africa's largest exporters, will be subject to the higher 12.5% duty.

The policy covers virtually all imports from the affected economies, although Washington has provided exemptions for products deemed critical to U.S. supply chains or where tariffs could trigger broader economic disruptions.