I don't think citizenship in general can be unilaterally renounced, in the same way as you usually can't unilaterally divorce somebody. Citizenship includes obl

I don't think citizenship in general can be unilaterally renounced, in the same way as you usually can't unilaterally divorce somebody. Citizenship includes obligations both from the state towards an individual and vice versa. In my understanding (IANAL) the easiest way to unilaterally renounce a citizenship is to seek political asylum.