And his Treasury Secretary Scott Bessent has warned of a "detox period" as the economy cuts government spending.
Given the uncertainties, economists have been wary of making firm predictions.
Economists at Goldman Sachs, citing Trump's policies, have raised their odds of a recession over the next 12 months from 15 percent to 20 percent.
And Morgan Stanley predicted "softer growth this year" than earlier expected.
Recessions are generally defined as two consecutive quarters of weak or negative GDP growth.
The US was briefly in recession in early 2020 as the Covid pandemic spread. Millions of people lost jobs.