Becuase age and pre-existing conditions have such a huge effect, the overall IFR is going to vary depending on things such how effective measures are at protect

Becuase age and pre-existing conditions have such a huge effect, the overall IFR is going to vary depending on things such how effective measures are at protecting younger people vs. older people. Spain is likely to be particularly bad in this regard - their lockdown was one of the strictest in Europe and their care homes an absolute horror show: https://www.bbc.co.uk/news/world-europe-52188820 https://www.bbc.co.uk/news/world-europe-52188820