Less than 130 coronavirus cases had been confirmed in San Marino which had an under 0.4 % cases per capita by March 18 , 2020 .
With 140 confirmed cases ( as of 18 March 2020 ) out of a population of 33,344 ( as of 2018 ) , the country has the highest percentage of confirmed cases per capita in the world at 0.42 % .
2020 coronavirus pandemic in San Marino