LONDON—Economic quantities coming in from around the world are laying bare a stark truth of the matter: April was the cruelest thirty day period.

Coronavirus-pushed lockdowns executed in nations around the world world-vast had been at their strictest then, and drove a world-wide contraction that has minimal parallel in record. The depth of the decline will make the climb back again additional tough, and it signifies that even a sharp first rebound could depart the world-wide financial system more compact than it was ahead of the pandemic.