IMF Warns ‘Great Lockdown’ Global Recession Will Be Worst Since Great Depression Posted byBen Winck April 14, 2020 Leave a comment on IMF Warns ‘Great Lockdown’ Global Recession Will Be Worst Since Great Depression Global gross domestic product will shrink by 3% in 2020 before recovering by 5.8% in 2021, according to the International Montetary Fund’s base case.