The country where a person currently resides; the country of residence used for addresses, legal status, etc.
私の居住国は日本です。
My country of residence is Japan.
ビザ申請書には居住国の住所を正確に書いてください。
Please write your country-of-residence address accurately on the visa application.
居住国での税法に従って申告を行う必要があります。
You must file according to the tax laws of your country of residence.
統計は居住国別に分類されている。
The statistics are classified by country of residence.