One good source of excess mortality data for a large part of Europe (plus Israel for some reason) is at https://euromomo.eu/graphs-and-maps/ https://euromomo.eu

One good source of excess mortality data for a large part of Europe (plus Israel for some reason) is at https://euromomo.eu/graphs-and-maps/ https://euromomo.eu/graphs-and-maps/, which also groups data by age in addition to country. It may come as a surprise that, in the area covered by this source, excess mortality for children age 0-14 was actually negative in 2020.