Japan has one of the highest rates of mask wearing in the world. I posted a chart before showing case growth in that country, which early on appeared to have escaped the worst of the epidemic. Looks like its baaaack, as this chart clearly shows. I once wrote a post called we are all going to end up in the same place. That looks to be pretty much true. This is one sneaky and persistent virus, fortunately not even a bad cold for the great majority of the population.
The Healthy Skeptic is a website about the health care system, and is written by Kevin Roche, who has many years of experience working in the health industry. Mr. Roche is available to assist health care companies through consulting arrangements through Roche Consulting, LLC and may be reached at 
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They have like 1000 deaths and 125 million people with a really old population and very high population density. They got a looooooong way to go to catch up.
What is your take on the CDC using the hairdressers as a reason why masks work?
https://www.cdc.gov/mmwr/volumes/69/wr/mm6928e2.htm?s_cid=mm6928e2_w