LAS VEGAS — President Donald Trump declared a surge in U.S. manufacturing, saying factory growth is expanding at a rapid pace.

"Manufacturing is exploding at the fastest pace in many years," Trump said during a public address in Las Vegas. "Nobody thought this would ever happen again."

The remarks reflect a central economic argument of his administration: that focused policy can reverse decades of offshoring that pushed manufacturing employment from nearly 20 million jobs in the 1970s to below 12 million by the early 2010s.

Commerce Secretary Howard Lutnick has championed initiatives aimed at strengthening American supply chains and reducing reliance on foreign factories, spanning sectors from semiconductors to defense and critical minerals.

Economists offer varied views on what is driving any output gains. Some acknowledge a shift toward domestic production, but others say automation accounts for a significant share of factory output increases — meaning higher production does not always translate to more jobs.

Global competition remains intense, and U.S. labor and raw material costs often exceed those in other countries, limiting the scale of reshoring.

Politically, the manufacturing comeback narrative resonates with working-class voters in key industrial states, and the administration has consistently framed factory job growth as a core measure of economic success.

Federal Reserve Chair Kevin Warsh has said overall economic data, including industrial production, factor into the central bank's policy decisions.

Critics argue that while some sectors may see growth, a sustained boom across all manufacturing remains elusive — and that long-term industrial expansion requires comprehensive workforce development and infrastructure investment.