I’m not sure I believe this article. I’ve read more than one thing in the last few years talking aboutthe large number of people leaving the country. So who knows.
Gayest country too, which used to mean happy.
https://blogs.timesofisrael.com/israel-is-the-gayest-country-on-earth/
https://www.jpost.com/israel-news/culture/article-731595
Those staying are happy.