Isn't the suicide rate highest in Scandinavian countries and lowest in South Europe?

The more sad people kill themselves, the happier is the average survivor?

Britanica did a video on this: https://youtu.be/ldvQOnvc2Io?si=9R1IHMfS0i7RhB8s

Different cultures also define happiness differently. For the scandanvians, happiness stems from contentment and balance, American society tends to link it to consumerism and material success.

In a static population sure. Over decades?

Admittedly Anglo culture took a lot of influence from the scandinavians (due to Viking conquest etc). I think some of the cultural tenants we are talking about probably did come originally from Scandinavia.