In a TV interview aired on Sunday, Trump said he would not attempt to remove Federal Reserve Chair Jerome Powell but repeated calls for lower interest rates and called the Chair a "stiff".
The Fed meets on Wednesday and is widely expected to leave rates steady following a solid March payrolls report.
The Bank of England meets on Thursday and is a heavy favourite to cut interest rates, while central banks in Norway and Sweden are expected to keep rates steady.
At elections over the weekend, incumbents in Australia and Singapore were returned to power, echoing the result in Canada with ruling parties' fortunes bolstered by the global economic uncertainty that Trump has unleashed.
At the same time, hard-right eurosceptic George Simion won the first round of Romania's presidential election re-run on Sunday, near-final results showed, riding a wave of Trump-style nationalism in the European Union.