That's exactly what I was thinking, one way to get a estimate of this number would be to compare per capita infections and deaths with a country with somewhat s

That's exactly what I was thinking, one way to get a estimate of this number would be to compare per capita infections and deaths with a country with somewhat similar demographics that had no real lockdown measures to see roughly how many lives were saved. The Netherlands comes to mind. Another way to do it would he to compare only the under 65 per capita infection rate in a similar country (could also be Netherlands) that had no lockdown and use the mortality rate for that demographic in the first country (which would be Canada in this case) and determine roughly how many lives were saved.