Less individualism could explain it.
If it is, at what cost?
One Portuguese village's response to a declining birth rate
Portugal birthrate has dropped significantly in the last few years.
Youth unemployment in Europe is causing significant demographic shifts as well-qualified, university educated young people look overseas for work. In particular, large numbers of Spanish and Portuguese youth are finding better opportunities abroad, with former colonies being among the more popular destinations.
While the UK is contemplating growing number of immigrants, Portugal is lamenting its lost migrants.