The disease has infected at least four times the average number of people struck down with severe influenza illnesses annually, according to the World Health Organisation.
The death toll from COVID-19, meanwhile, at more than 728,000 has outpaced the upper range of annual deaths from the flu.
The tally of infections, which is compiled by Reuters based on government reports, shows the disease is accelerating.
It took almost six months to reach 10 million cases after the first infection was reported in Wuhan, China, in early January. It took just 43 days to double.
Experts believe the official data likely undercounts both infections and deaths, particularly in countries with limited testing capacity.
The United States is responsible for around 5 million cases, Brazil 3 million and India 2 million. Russia and South Africa round out the top 10.
The pandemic is accelerating fastest in Latin America which accounts for almost 28 per cent of the world’s cases and more than 30 per cent of deaths.
With the first wave of the virus yet to peak in some countries and a resurgence of cases in others, governments are still divided in their responses.
Some countries are reintroducing strict public health measures, while others continue to relax restrictions.
Health experts expect dilemmas about how to proceed with school, work and social life to last – and restrictions to fluctuate – until a vaccine is available.
The vaccine race has more than 150 candidates being developed and tested around the world with 25 in human clinical trials, according to the World Health Organisation.
In the United States, children began returning to their classrooms last week, even as controversy over school safety swirled.
Britain has added both Spain and Belgium to a list of countries from which returning travellers must quarantine at home for 14 days because of fresh upticks in some European locations.
In Asia, China continues to squash surges using strict, local lockdowns, bringing its daily numbers down into the low double digits on the mainland.
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