WHO reported the largest single-day increase in coronavirus cases ever, over 183,000 in the last 24 hours, according to an AP report.
It said Brazil topped with 54,771 and USA followed at 36,617. Over 15,400 belonged to India.
Experts said rising case counts can reflect multiple factors including more widespread testing as well as broader infection.
Overall in the pandemic, WHO reported 8,708,008 cases - 183,020 in the last 24 hours - with 461,715 deaths worldwide, with a daily increase of 4,743.
In Spain, officials ended a national state of emergency after three months of lockdown, allowing its 47 million residents to freely travel around the country for the first time since March 14. The country also dropped a 14-day quarantine for visitors from Britain and the 26 European countries that allow visa-free travel But there was only a trickle of travellers at Madrid-Barajas Airport, which on a normal June day would be bustling.