In short: By the time a person is 18, they must effectively be able to communicate and understand conversationally in 2 languages and casually use them in daily life..., if not become completely fluent...
Other than that, any language goes (whether it is a locally-known one, or a popular one worldwide),
The only thing I hope to gain from this, is to rid the world of /Monolingual Betas/
Seriously though, has this been a policy before? Because I haven't heard of such one...
I think this can especially be used for citizenship...
Edit: I don't necessarily have any other presupposed requirements besides bilingualism, though we may have certain notions of such in this main goal
Edit II: In furthering this venture, I have realized that my liberalism may slightly poisoned my lens....
And for clarification...
Minimum dual language system:
Main national language + other language (likely another related language, but foreign ones are fine)
they try to teach te reo maori in new zealand primary schools but its half assed as fuck and it basically doesn't actually teach the language to the point where most people suggest the issue is trying to teach a 'dead' language rather than the fact that it's not given the resources it needs. at least schoolkids maybe learn some catchy songs? idk, that's just my observation from my daughter's education, i didn't experience it myself.
I did in high school and your assessment is correct. You learn some words but not even to the level of conversational stuff. It does have the problem of languages like Gaelic that were suppressed though industrialisation where modern terminology is hard to create, but like Gaelic it was never dead.
Key objective: casual everyday use in conversation...