So if 20 million people in America have covid19,
https://www.marketwatch.com/story/cdc-20-million-americans-thought-to-have-contracted-covid-19-2020-06-25

And there's currently 124976 covid19 (which is overcounted) deaths in America,
https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/cases-in-us.html

Then the fatality rate of covid19 (in America) is 0.62% which agrees with tie 0.5-1% estimation.
https://www.nature.com/articles/d41586-020-01738-2

Covid19 is less lethal in younger people than the flu and more lethal in older people than the flu. (See attached image below)

Elderly people (65+) make up 80% of the deaths
https://www.bloomberg.com/opinion/articles/2020-05-07/comparing-coronavirus-deaths-by-age-with-flu-driving-fatalities