That's pretty easy. Sweden is the poster child of a rational covid19 response.
https://en.wikipedia.org/wiki/COVID-19_pandemic_death_rates_...
Sweden deaths per million: 1834
U.S. deaths per million: 3043
However you can also choose various European countries that avoided masking children and minimized school disruption. France and UK for starters, but also all the Nordic countries. Sweden being quite different from the other Nordic countries, but all of them being consistent in avoiding school disruption or masking children.
Most of Europe does not recommend vaccinating young children either.
France deaths per million: 2242
Denmark deaths per million: 1122