When one works and lives in Antarctica on a temporary basis, one is allowed to claim temporary residence in Antarctica.
No country has claim to Antarctica
France, Australia, Norway, Britain, Argentina and Chile claim territory on Antarctica.
no
none
You may have to claim it, but it is nontaxable.
87 claim residence in California.
Several South American countries claim portions of Antarctica, but no country controls the continent, including other countries in the world that also claim portions of Antarctica.
Technically no-one owns any land in Antarctica. Various countries have staked claims in Antarctica but these have not been universally recognised and after the 1959 Antarctica treaty, which essentially prevented any future claims, Antarctica's status has been pretty much unchanged - lots of people claim to own chunks of it but everybody else says they don't. You could say the Australians because they claim the largest chunk of it...
42%
Svalbard and parts of Antarctica.
Norway
Yes.