1984 describes the world as if the Soviet Union won the cold war. So it does seem to capture some aspects of a leftist totalitarian society like North Korea. On the other hand North Korea is different any many ways, e.g. 1984 doesn't characterize the proles as living in near starvation.

When it comes to applying its ideas more generally, the problem is that everyone wants to use it as ammunition against their ideological opponents. For example opponents of Trump might consider the strong emotions he stirs up comparable with the 2 minutes hate, while opponents to the progressive movements might consider the attempt to erase gendered pronouns from our language as a kind of Newspeak.