The long life thing heavily correlates with the lack of quality in record keeping.
Do you think they're all doing it to piss off richer countries? :-)
Although as far as I can see, the paper has not been peer reviewed yet (but it's also quite old)
https://ec.europa.eu/eurostat/statistical-atlas/gis/viewer/?...
If you go strictly by the numbers, Scandinavia or Germany should be at the top: higher GDP, higher salaries, higher HDI (maybe even quite far away at the top).
Yet that doesn't happen: https://ec.europa.eu/eurostat/web/products-eurostat-news/-/E...
The top 5 regions in the EU for life expectancy, both male and female, are in Southern Europe.