Translation guide
The English phrase 'another country' can refer to a different nation, a foreign land, or an additional country. In Japanese, the most natural expression depends on context: whether you are speaking generally, contrasting with your own country, or listing multiple countries.
Referring to a country other than the one currently being discussed or one's own country.
Learning about the cultures of other countries is interesting.
Literally 'other country'. More conversational than 他国. Used when the context already establishes which country is the reference point.
I want to visit other countries besides Japan.
Means 'foreign country'. Often used when contrasting with one's own country. Can imply 'overseas'.
Working in a foreign country is tough.
Adding one more country to a list or mentioning an extra country.
Referring to a country that is not the specific one just talked about.
Explicitly means 'a country other than that country'. Useful for clarity.
France is wonderful, but I want to see countries other than that country too.
他国 (たこく) is a neutral term for 'other countries' and does not necessarily imply foreignness from the speaker's perspective. 外国 (がいこく) explicitly means 'foreign country' and is used when contrasting with one's own country. In many contexts they overlap, but 外国 carries a stronger sense of 'overseas' or 'abroad'.
Knowledgeable about the situations in other countries.
Knowledgeable about the situations in foreign countries.
When 'another' means 'a different one' (alternative), 別の国 (べつのくに) is often more natural than 他の国. 他の国 can sound like 'other countries in general'.
If this plan doesn't work, let's consider another country.
This country is dangerous, so let's go to another country.